Flawfinder version 2.0.10, (C) 2001-2019 David A. Wheeler.
Number of rules (primarily dangerous function names) in C/C++ ruleset: 223
Examining data/mg-20200723/autoexec.c
Examining data/mg-20200723/basic.c
Examining data/mg-20200723/bell.c
Examining data/mg-20200723/buffer.c
Examining data/mg-20200723/chrdef.h
Examining data/mg-20200723/cinfo.c
Examining data/mg-20200723/cmode.c
Examining data/mg-20200723/cscope.c
Examining data/mg-20200723/def.h
Examining data/mg-20200723/dir.c
Examining data/mg-20200723/dired.c
Examining data/mg-20200723/display.c
Examining data/mg-20200723/echo.c
Examining data/mg-20200723/extend.c
Examining data/mg-20200723/file.c
Examining data/mg-20200723/fileio.c
Examining data/mg-20200723/funmap.c
Examining data/mg-20200723/funmap.h
Examining data/mg-20200723/grep.c
Examining data/mg-20200723/help.c
Examining data/mg-20200723/interpreter.c
Examining data/mg-20200723/kbd.c
Examining data/mg-20200723/kbd.h
Examining data/mg-20200723/key.h
Examining data/mg-20200723/keymap.c
Examining data/mg-20200723/line.c
Examining data/mg-20200723/log.c
Examining data/mg-20200723/log.h
Examining data/mg-20200723/macro.c
Examining data/mg-20200723/macro.h
Examining data/mg-20200723/main.c
Examining data/mg-20200723/match.c
Examining data/mg-20200723/modes.c
Examining data/mg-20200723/paragraph.c
Examining data/mg-20200723/pathnames.h
Examining data/mg-20200723/re_search.c
Examining data/mg-20200723/region.c
Examining data/mg-20200723/search.c
Examining data/mg-20200723/spawn.c
Examining data/mg-20200723/tags.c
Examining data/mg-20200723/tty.c
Examining data/mg-20200723/ttyio.c
Examining data/mg-20200723/ttykbd.c
Examining data/mg-20200723/undo.c
Examining data/mg-20200723/util.c
Examining data/mg-20200723/version.c
Examining data/mg-20200723/window.c
Examining data/mg-20200723/word.c
Examining data/mg-20200723/yank.c
FINAL RESULTS:
data/mg-20200723/dir.c:156:25: [5] (race) chmod:
This accepts filename arguments; if an attacker can move those files, a
race condition results. (CWE-362). Use fchmod( ) instead.
if (f_mode > 0777 && chmod(path, f_mode) == -1) {
data/mg-20200723/log.c:394:7: [5] (race) chmod:
This accepts filename arguments; if an attacker can move those files, a
race condition results. (CWE-362). Use fchmod( ) instead.
if (chmod(mglogdir, f_mode) == -1)
data/mg-20200723/buffer.c:945:6: [4] (race) access:
This usually indicates a security flaw. If an attacker can change anything
along the path between the call to access() and the file's actual use
(e.g., by moving files), the attacker can exploit the race condition
(CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid())
and try to open the file directly.
if (access(curbp->b_fname, F_OK|R_OK) != 0) {
data/mg-20200723/buffer.c:994:6: [4] (race) access:
This usually indicates a security flaw. If an attacker can change anything
along the path between the call to access() and the file's actual use
(e.g., by moving files), the attacker can exploit the race condition
(CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid())
and try to open the file directly.
if (access(DIFFTOOL, X_OK) != 0) {
data/mg-20200723/cscope.c:207:15: [4] (shell) popen:
This causes a new program to execute and is difficult to use safely
(CWE-78). try using a library call that implements the same functionality
if available.
if ((fpipe = popen(cmd, "r")) == NULL) {
data/mg-20200723/cscope.c:440:15: [4] (shell) popen:
This causes a new program to execute and is difficult to use safely
(CWE-78). try using a library call that implements the same functionality
if available.
if ((fpipe = popen(cmd, "r")) == NULL) {
data/mg-20200723/cscope.c:616:7: [4] (race) access:
This usually indicates a security flaw. If an attacker can change anything
along the path between the call to access() and the file's actual use
(e.g., by moving files), the attacker can exploit the race condition
(CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid())
and try to open the file directly.
if (access(cmd, F_OK) == -1)
data/mg-20200723/cscope.c:642:6: [4] (race) access:
This usually indicates a security flaw. If an attacker can change anything
along the path between the call to access() and the file's actual use
(e.g., by moving files), the attacker can exploit the race condition
(CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid())
and try to open the file directly.
if(access(fname, F_OK) == 0) {
data/mg-20200723/def.h:472:32: [4] (format) printf:
If format strings can be influenced by an attacker, they can be exploited
(CWE-134). Use a constant for the format specification.
__attribute__((__format__ (printf, 1, 5)));
data/mg-20200723/dired.c:686:7: [4] (shell) execvp:
This causes a new program to execute and is difficult to use safely
(CWE-78). try using a library call that implements the same functionality
if available.
if (execvp(argv[0], argv) == -1)
data/mg-20200723/dired.c:921:7: [4] (race) access:
This usually indicates a security flaw. If an attacker can change anything
along the path between the call to access() and the file's actual use
(e.g., by moving files), the attacker can exploit the race condition
(CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid())
and try to open the file directly.
if ((access(dname, R_OK | X_OK)) == -1) {
data/mg-20200723/echo.c:26:31: [4] (format) printf:
If format strings can be influenced by an attacker, they can be exploited
(CWE-134). Use a constant for the format specification.
__attribute__((__format__ (printf, 1, 0)));
data/mg-20200723/echo.c:30:31: [4] (format) printf:
If format strings can be influenced by an attacker, they can be exploited
(CWE-134). Use a constant for the format specification.
__attribute__((__format__ (printf, 1, 0)));
data/mg-20200723/file.c:248:14: [4] (race) access:
This usually indicates a security flaw. If an attacker can change anything
along the path between the call to access() and the file's actual use
(e.g., by moving files), the attacker can exploit the race condition
(CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid())
and try to open the file directly.
} else if ((access(fname, W_OK) == -1)) {
data/mg-20200723/file.c:259:15: [4] (race) access:
This usually indicates a security flaw. If an attacker can change anything
along the path between the call to access() and the file's actual use
(e.g., by moving files), the attacker can exploit the race condition
(CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid())
and try to open the file directly.
} else if (access(dp, W_OK) == -1 && errno == EACCES) {
data/mg-20200723/file.c:680:7: [4] (race) access:
This usually indicates a security flaw. If an attacker can change anything
along the path between the call to access() and the file's actual use
(e.g., by moving files), the attacker can exploit the race condition
(CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid())
and try to open the file directly.
if (access(dp, W_OK) && errno == EACCES) {
data/mg-20200723/fileio.c:353:9: [4] (format) snprintf:
If format strings can be influenced by an attacker, they can be exploited,
and note that sprintf variations do not always \0-terminate (CWE-134). Use
a constant for the format specification.
ret = snprintf(file, sizeof(file), _PATH_MG_STARTUP, home);
data/mg-20200723/fileio.c:357:9: [4] (format) snprintf:
If format strings can be influenced by an attacker, they can be exploited,
and note that sprintf variations do not always \0-terminate (CWE-134). Use
a constant for the format specification.
ret = snprintf(file, sizeof(file), _PATH_MG_TERM, home, suffix);
data/mg-20200723/fileio.c:362:6: [4] (race) access:
This usually indicates a security flaw. If an attacker can change anything
along the path between the call to access() and the file's actual use
(e.g., by moving files), the attacker can exploit the race condition
(CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid())
and try to open the file directly.
if (access(file, R_OK) == 0)
data/mg-20200723/fileio.c:377:6: [4] (race) access:
This usually indicates a security flaw. If an attacker can change anything
along the path between the call to access() and the file's actual use
(e.g., by moving files), the attacker can exploit the race condition
(CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid())
and try to open the file directly.
if (access(file, R_OK) == 0)
data/mg-20200723/grep.c:213:15: [4] (shell) popen:
This causes a new program to execute and is difficult to use safely
(CWE-78). try using a library call that implements the same functionality
if available.
if ((fpipe = popen(qcmd, "r")) == NULL) {
data/mg-20200723/region.c:547:3: [4] (shell) execv:
This causes a new program to execute and is difficult to use safely
(CWE-78). try using a library call that implements the same functionality
if available.
execv(path, argv);
data/mg-20200723/tags.c:109:13: [4] (race) access:
This usually indicates a security flaw. If an attacker can change anything
along the path between the call to access() and the file's actual use
(e.g., by moving files), the attacker can exploit the race condition
(CWE-362/CWE-367!). Set up the correct permissions (e.g., using setuid())
and try to open the file directly.
} else if (access(bufp, R_OK) == -1) {
data/mg-20200723/cscope.c:621:13: [3] (buffer) getenv:
Environment variables are untrustable input if they can be set by an
attacker. They can have any content and length, and the same variable can
be set more than once (CWE-807, CWE-20). Check environment variables
carefully before using them.
if ((tmp = getenv("PATH")) == NULL)
data/mg-20200723/fileio.c:329:6: [3] (buffer) realpath:
This function does not protect against buffer overflows, and some
implementations can overflow internally (CWE-120/CWE-785!). Ensure that the
destination buffer is at least of size MAXPATHLEN, andto protect against
implementation problems, the input argument should also be checked to
ensure it is no larger than MAXPATHLEN.
if (realpath(path, fnb) == NULL)
data/mg-20200723/fileio.c:349:14: [3] (buffer) getenv:
Environment variables are untrustable input if they can be set by an
attacker. They can have any content and length, and the same variable can
be set more than once (CWE-807, CWE-20). Check environment variables
carefully before using them.
if ((home = getenv("HOME")) == NULL || *home == '\0')
data/mg-20200723/main.c:75:14: [3] (buffer) getopt:
Some older implementations do not protect against internal buffer overflows
(CWE-120, CWE-20). Check implementation on installation, or limit the size
of all string inputs.
while ((o = getopt(argc, argv, "nRf:")) != -1)
data/mg-20200723/region.c:497:11: [3] (buffer) getenv:
Environment variables are untrustable input if they can be set by an
attacker. They can have any content and length, and the same variable can
be set more than once (CWE-807, CWE-20). Check environment variables
carefully before using them.
shellp = getenv("SHELL");
data/mg-20200723/ttykbd.c:60:12: [3] (buffer) getenv:
Environment variables are untrustable input if they can be set by an
attacker. They can have any content and length, and the same variable can
be set more than once (CWE-807, CWE-20). Check environment variables
carefully before using them.
if ((cp = getenv("TERM"))) {
data/mg-20200723/autoexec.c:100:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char patbuf[128], funcbuf[128], *patp, *funcp;
data/mg-20200723/basic.c:292:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char tmp[5];
data/mg-20200723/basic.c:546:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[32], *bufp;
data/mg-20200723/buffer.c:105:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char bufn[NBUFN], *bufp;
data/mg-20200723/buffer.c:129:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char bufn[NBUFN], *bufp;
data/mg-20200723/buffer.c:167:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char bufn[NBUFN], *bufp;
data/mg-20200723/buffer.c:410:2: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(line, curwp->w_dotp->l_text + 4, listbuf_ncol/2 - 5);
data/mg-20200723/buffer.c:485:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char pbuf[NFILEN + 11];
data/mg-20200723/buffer.c:767:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char bufn[NBUFN], *bufp;
data/mg-20200723/buffer.c:864:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char cwd[NFILEN];
data/mg-20200723/buffer.c:922:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fbuf[NFILEN + 32];
data/mg-20200723/buffer.c:1021:4: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(ttext, ltext(lp), llength(lp));
data/mg-20200723/buffer.c:1055:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char bname[NBUFN], fname[NBUFN];
data/mg-20200723/cinfo.c:33:1: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char cinfo[256] = {
data/mg-20200723/cmode.c:408:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char tmp[5];
data/mg-20200723/cscope.c:168:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char dir[NFILEN], cmd[BUFSIZ], title[BUFSIZ], *line, *bufp;
data/mg-20200723/cscope.c:404:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char pattern[MAX_TOKEN], cmd[BUFSIZ], title[BUFSIZ];
data/mg-20200723/cscope.c:491:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[BUFSIZ];
data/mg-20200723/cscope.c:567:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[BUFSIZ];
data/mg-20200723/cscope.c:611:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fname[NFILEN], *dir, *path, *pathc, *tmp;
data/mg-20200723/def.h:275:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char b_fname[NFILEN]; /* File name */
data/mg-20200723/def.h:276:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char b_cwd[NFILEN]; /* working directory */
data/mg-20200723/def.h:764:8: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
extern char pat[NPAT];
data/mg-20200723/dir.c:21:8: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
static char mgcwd[NFILEN];
data/mg-20200723/dir.c:43:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char bufc[NFILEN], *bufp;
data/mg-20200723/dir.c:101:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char bufc[NFILEN];
data/mg-20200723/dired.c:233:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char dname[NFILEN], *bufp, *slash;
data/mg-20200723/dired.c:262:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char dname[NFILEN], *bufp, *slash;
data/mg-20200723/dired.c:352:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fname[NFILEN];
data/mg-20200723/dired.c:374:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fname[NFILEN];
data/mg-20200723/dired.c:397:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fname[NFILEN], sname[NFILEN];
data/mg-20200723/dired.c:454:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char frname[NFILEN], toname[NFILEN], sname[NFILEN];
data/mg-20200723/dired.c:511:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char frname[NFILEN], toname[NFILEN];
data/mg-20200723/dired.c:516:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char sname[NFILEN];
data/mg-20200723/dired.c:582:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char command[512], fname[PATH_MAX], *bufp;
data/mg-20200723/dired.c:585:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char sname[NFILEN];
data/mg-20200723/dired.c:621:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[BUFSIZ];
data/mg-20200723/dired.c:657:14: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if ((infd = open(input, O_RDONLY)) == -1) {
data/mg-20200723/dired.c:892:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fname[NFILEN];
data/mg-20200723/dired.c:987:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fname[NFILEN];
data/mg-20200723/dired.c:1040:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fname[NFILEN];
data/mg-20200723/dired.c:1091:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fpath[NFILEN], fname[NFILEN];
data/mg-20200723/display.c:336:3: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char bf[5];
data/mg-20200723/display.c:374:3: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char bf[5], *cp;
data/mg-20200723/display.c:533:4: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char bf[5];
data/mg-20200723/display.c:664:2: [2] (buffer) bcopy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
bcopy(vvp->v_text, pvp->v_text, ncol);
data/mg-20200723/display.c:802:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char sl[21]; /* Overkill. Space for 2^64 in base 10. */
data/mg-20200723/echo.c:131:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[64], *rep;
data/mg-20200723/echo.c:210:3: [2] (buffer) bcopy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
bcopy(maclcur->l_text, buf, maclcur->l_used);
data/mg-20200723/echo.c:397:5: [2] (buffer) bcopy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
bcopy(buf, lp->l_text, cpos);
data/mg-20200723/echo.c:855:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char kname[NKNAME], tmp[100], *cp;
data/mg-20200723/extend.c:39:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[BUFSIZE], *bufp, *cp;
data/mg-20200723/extend.c:324:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char bprompt[80], *bufp, *pep;
data/mg-20200723/extend.c:487:9: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
static char buf[48];
data/mg-20200723/extend.c:488:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char tmp[32], *bufp;
data/mg-20200723/extend.c:531:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char xname[NXNAME], *bufp;
data/mg-20200723/extend.c:576:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char exbuf[BUFSIZE], *bufp;
data/mg-20200723/extend.c:597:9: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
static char excbuf[BUFSIZE];
data/mg-20200723/extend.c:623:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fname[NFILEN], *bufp;
data/mg-20200723/extend.c:641:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char excbuf[BUFSIZE], fncpy[NFILEN];
data/mg-20200723/extend.c:756:4: [2] (buffer) bcopy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
bcopy(argp, ltext(lp), (int)(line - argp));
data/mg-20200723/file.c:31:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fname[NFILEN], *bufp, *adjf;
data/mg-20200723/file.c:58:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fname[NFILEN], *bufp, *adjf;
data/mg-20200723/file.c:97:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fname[NFILEN], *bufp;
data/mg-20200723/file.c:162:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fname[NFILEN], *adjf, *bufp;
data/mg-20200723/file.c:206:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char dp[NFILEN];
data/mg-20200723/file.c:391:4: [2] (buffer) bcopy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
bcopy(line, <ext(lp1)[0], nbytes);
data/mg-20200723/file.c:416:5: [2] (buffer) bcopy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
bcopy(line, cp, linesize);
data/mg-20200723/file.c:515:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fname[NFILEN], bn[NBUFN], tmp[NFILEN + 25];
data/mg-20200723/file.c:674:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char dp[NFILEN];
data/mg-20200723/file.c:740:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char ts[NFILEN];
data/mg-20200723/file.c:760:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char ts[NFILEN];
data/mg-20200723/fileio.c:50:14: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if ((*ffp = fopen(fn, "r")) == NULL) {
data/mg-20200723/fileio.c:95:13: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if ((ffp = fopen(bp->b_fname, "r")) == NULL) {
data/mg-20200723/fileio.c:117:7: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
fd = open(fn, O_RDWR | O_CREAT | O_TRUNC, fmode);
data/mg-20200723/fileio.c:227:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[BUFSIZ];
data/mg-20200723/fileio.c:254:14: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if ((from = open(fn, O_RDONLY)) == -1) {
data/mg-20200723/fileio.c:259:7: [2] (tmpfile) mkstemp:
Potential for temporary file vulnerability in some circumstances. Some
older Unix-like systems create temp files with permission to write by all
by default, so be sure to set the umask to override this. Also, some older
Unix systems might fail to use O_EXCL when opening the file, so make sure
that O_EXCL is used by the library (CWE-377).
to = mkstemp(tname);
data/mg-20200723/fileio.c:309:9: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
static char fnb[PATH_MAX];
data/mg-20200723/fileio.c:345:9: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
static char file[NFILEN];
data/mg-20200723/fileio.c:387:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[BUFSIZ];
data/mg-20200723/fileio.c:392:13: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if ((ifd = open(frname, O_RDONLY)) == -1)
data/mg-20200723/fileio.c:401:13: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if ((ofd = open(toname, O_WRONLY|O_CREAT|O_TRUNC, fmode)) == -1) {
data/mg-20200723/fileio.c:445:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fl_name[NFILEN + 2];
data/mg-20200723/fileio.c:446:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char prefixx[NFILEN + 1];
data/mg-20200723/fileio.c:613:3: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fname[NFILEN];
data/mg-20200723/fileio.c:712:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char user[LOGIN_NAME_MAX], path[NFILEN];
data/mg-20200723/fileio.c:735:3: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(user, &fn[1], ulen);
data/mg-20200723/grep.c:30:8: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
static char compile_last_command[NFILEN] = "make ";
data/mg-20200723/grep.c:68:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char cprompt[NFILEN], *bufp;
data/mg-20200723/grep.c:94:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char cprompt[NFILEN], *bufp;
data/mg-20200723/grep.c:123:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char command[NFILEN];
data/mg-20200723/grep.c:124:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char cprompt[NFILEN], *bufp;
data/mg-20200723/grep.c:185:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char cwd[NFILEN], qcmd[NFILEN];
data/mg-20200723/grep.c:186:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char timestr[NTIME];
data/mg-20200723/grep.c:264:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char *adjf, path[NFILEN];
data/mg-20200723/help.c:35:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char dprompt[80];
data/mg-20200723/help.c:131:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[80], keybuf[16];
data/mg-20200723/help.c:182:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char string[32];
data/mg-20200723/help.c:193:3: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[32];
data/mg-20200723/help.c:216:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf2[16], keybuf[16];
data/mg-20200723/interpreter.c:81:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char excbuf[BUFSIZE], argbuf[BUFSIZE], *contbuf, tmpbuf[BUFSIZE];
data/mg-20200723/interpreter.c:271:8: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
const char e[1] = "e", t[1] = "t";
data/mg-20200723/kbd.c:25:1: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char prompt[PROMPTL] = "", *promptp = prompt;
data/mg-20200723/kbd.c:402:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char *c, cbuf[2];
data/mg-20200723/line.c:301:3: [2] (buffer) bcopy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
bcopy(&lp1->l_text[doto], &lp2->l_text[0], nlen);
data/mg-20200723/line.c:407:3: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(&sv[end], cp1, chunk);
data/mg-20200723/line.c:473:3: [2] (buffer) bcopy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
bcopy(&lp2->l_text[0], &lp1->l_text[lp1->l_used], lp2->l_used);
data/mg-20200723/line.c:494:2: [2] (buffer) bcopy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
bcopy(&lp1->l_text[0], &lp3->l_text[0], lp1->l_used);
data/mg-20200723/line.c:495:2: [2] (buffer) bcopy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
bcopy(&lp2->l_text[0], &lp3->l_text[lp1->l_used], lp2->l_used);
data/mg-20200723/line.c:620:8: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
(void)memcpy(line, ltext(ln), len);
data/mg-20200723/log.c:97:7: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
fd = fopen(mglogpath_key, "a");
data/mg-20200723/log.c:141:7: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
fd = fopen(mglogpath_window, "a");
data/mg-20200723/log.c:179:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[4096], tmp[1024];
data/mg-20200723/log.c:187:7: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
fd = fopen(mglogpath_undo, "a");
data/mg-20200723/log.c:248:7: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
fd = fopen(mglogpath_lines, "a");
data/mg-20200723/log.c:310:7: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
fd = fopen(mglogpath_interpreter, "a");
data/mg-20200723/log.c:342:7: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
fd = fopen(mglogpath_interpreter, "a");
data/mg-20200723/log.c:421:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char tmp[NFILEN], *tmp2;
data/mg-20200723/log.c:434:8: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
fd = open(tmp2, O_RDWR | O_CREAT | O_TRUNC, 0644);
data/mg-20200723/log.c:436:8: [2] (misc) open:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
fd = open(tmp2, O_RDWR | O_TRUNC, 0644);
data/mg-20200723/main.c:40:1: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char pat[NPAT]; /* pattern */
data/mg-20200723/match.c:140:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[NLINE];
data/mg-20200723/modes.c:118:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char modebuf[32], *bufp;
data/mg-20200723/paragraph.c:143:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char wbuf[MAXWORD]; /* buffer for current word */
data/mg-20200723/paragraph.c:466:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[32], *rep;
data/mg-20200723/re_search.c:41:1: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char re_pat[NPAT]; /* regex pattern */
data/mg-20200723/re_search.c:148:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char news[NPAT]; /* replacement string */
data/mg-20200723/re_search.c:229:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char repstr[REPLEN];
data/mg-20200723/re_search.c:280:5: [2] (buffer) bcopy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
bcopy(&(clp->l_text[regex_match[num].rm_so]),
data/mg-20200723/re_search.c:403:4: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(&lastmatch, ®ex_match[0], sizeof(regmatch_t));
data/mg-20200723/re_search.c:412:4: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
memcpy(®ex_match[0], &lastmatch, sizeof(regmatch_t));
data/mg-20200723/re_search.c:436:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char tpat[NPAT], *rep;
data/mg-20200723/re_search.c:456:4: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char message[256];
data/mg-20200723/region.c:29:8: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
static char leftover[BUFSIZ];
data/mg-20200723/region.c:281:8: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
static char prefix_string[PREFIXLENGTH] = {'>', '\0'};
data/mg-20200723/region.c:339:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[PREFIXLENGTH], *rep;
data/mg-20200723/region.c:423:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char *cmd, cmdbuf[NFILEN], *text;
data/mg-20200723/region.c:466:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char *cmd, cmdbuf[NFILEN];
data/mg-20200723/region.c:657:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[BUFSIZ], *p, *q;
data/mg-20200723/search.c:182:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char opat[NPAT];
data/mg-20200723/search.c:568:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char news[NPAT], *rep; /* replacement string */
data/mg-20200723/search.c:647:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char news[NPAT];
data/mg-20200723/search.c:835:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char tpat[NPAT], *rep;
data/mg-20200723/tags.c:84:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char fname[NFILEN], *bufp, *temp;
data/mg-20200723/tags.c:154:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char utok[MAX_TOKEN], dtok[MAX_TOKEN];
data/mg-20200723/tags.c:220:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char bname[NFILEN];
data/mg-20200723/tags.c:316:12: [2] (misc) fopen:
Check when opening files - can an attacker redirect it (via symlinks),
force the opening of special file type (e.g., device files), move things
around to create a race condition, control its ancestors, or change its
contents? (CWE-362).
if ((fd = fopen(fn, "r")) == NULL) {
data/mg-20200723/ttyio.c:38:1: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char obuf[NOBUF]; /* Output buffer. */
data/mg-20200723/undo.c:395:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char buf[4096], tmp[1024];
data/mg-20200723/util.c:96:2: [2] (buffer) char:
Statically-sized arrays can be improperly restricted, leading to potential
overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use
functions that limit length, or ensure that the size is larger than the
maximum possible length.
char tmp[5];
data/mg-20200723/yank.c:89:2: [2] (buffer) bcopy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
bcopy(&(kbufp[kstart]), &(nbufp[nstart]), (int)(kused - kstart));
data/mg-20200723/yank.c:129:3: [2] (buffer) bcopy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
bcopy(cp1, &(kbufp[kused]), (int)chunk);
data/mg-20200723/yank.c:135:3: [2] (buffer) bcopy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
bcopy(cp1, &(kbufp[kstart - chunk]), (int)chunk);
data/mg-20200723/bell.c:56:3: [1] (obsolete) usleep:
This C routine is considered obsolete (as opposed to the shell command by
the same name). The interaction of this function with SIGALRM and other
timer functions such as sleep(), alarm(), setitimer(), and nanosleep() is
unspecified (CWE-676). Use nanosleep(2) or setitimer(2) instead.
usleep(50000);
data/mg-20200723/buffer.c:41:9: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
len = strlen(bp->b_bname);
data/mg-20200723/buffer.c:369:7: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
strlen(bp->b_bname) < w - 5 ? ' ' : '$', /* truncated? */
data/mg-20200723/buffer.c:462:15: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
lp->l_used = strlen(lp->l_text);
data/mg-20200723/buffer.c:569:8: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
len = strlen(bname);
data/mg-20200723/buffer.c:594:34: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
ewprintf("Can't get %d bytes", strlen(bname) + 1);
data/mg-20200723/cscope.c:632:10: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
dlen = strlen(dir);
data/mg-20200723/dir.c:63:12: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
if (mgcwd[strlen(mgcwd) - 1] != '/')
data/mg-20200723/dir.c:133:11: [1] (access) umask:
Ensure that umask is given most restrictive possible setting (e.g., 066 or
077) (CWE-732).
oumask = umask(0);
data/mg-20200723/dir.c:157:5: [1] (access) umask:
Ensure that umask is given most restrictive possible setting (e.g., 066 or
077) (CWE-732).
umask(oumask);
data/mg-20200723/dir.c:169:5: [1] (access) umask:
Ensure that umask is given most restrictive possible setting (e.g., 066 or
077) (CWE-732).
umask(oumask);
data/mg-20200723/dir.c:181:2: [1] (access) umask:
Ensure that umask is given most restrictive possible setting (e.g., 066 or
077) (CWE-732).
umask(oumask);
data/mg-20200723/dired.c:701:17: [1] (buffer) getc:
Check buffer boundaries if used in a loop including recursive loops
(CWE-120, CWE-20).
while ((c = getc(fin)) != EOF && c != '\n')
data/mg-20200723/dired.c:916:8: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
len = strlen(dname);
data/mg-20200723/dired.c:1001:10: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
plen = strlen(p);
data/mg-20200723/dired.c:1007:12: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
fnlen = strlen(d1->fn);
data/mg-20200723/dired.c:1097:13: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
lenfpath = strlen(fpath);
data/mg-20200723/dired.c:1106:6: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
if (strlen(fpth) == lenfpath - 1) { /* directory, hence -1. */
data/mg-20200723/display.c:536:14: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
curcol += strlen(bf);
data/mg-20200723/echo.c:230:18: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
epos = cpos += strlen(buf);
data/mg-20200723/echo.c:616:11: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
msglen = strlen(msg);
data/mg-20200723/echo.c:722:12: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
width = strlen(lh2->l_name);
data/mg-20200723/echo.c:765:20: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
maxwidth - strlen(lh2->l_name + preflen));
data/mg-20200723/extend.c:602:9: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
(void)strncpy(excbuf, ltext(lp), llength(lp));
data/mg-20200723/fileio.c:198:14: [1] (buffer) getc:
Check buffer boundaries if used in a loop including recursive loops
(CWE-120, CWE-20).
while ((c = getc(ffp)) != EOF && c != '\n') {
data/mg-20200723/fileio.c:268:18: [1] (buffer) read:
Check buffer boundaries if used in a loop including recursive loops
(CWE-120, CWE-20).
while ((nread = read(from, buf, sizeof(buf))) > 0) {
data/mg-20200723/fileio.c:314:13: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
cp = fn + strlen(fn) - 1;
data/mg-20200723/fileio.c:405:15: [1] (buffer) read:
Check buffer boundaries if used in a loop including recursive loops
(CWE-120, CWE-20).
while ((sr = read(ifd, buf, sizeof(buf))) > 0) {
data/mg-20200723/fileio.c:467:8: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
len = strlen(buf);
data/mg-20200723/fileio.c:498:12: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
preflen = strlen(prefixx);
data/mg-20200723/fileio.c:501:8: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
len = strlen(cp);
data/mg-20200723/fileio.c:618:9: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
len = strlen(bkupdir);
data/mg-20200723/fileio.c:725:13: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
cp = fn + strlen(fn); /* point to the NUL byte */
data/mg-20200723/funmap.c:305:8: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
len = strlen(fname);
data/mg-20200723/interpreter.c:119:8: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
cmdp[strlen(cmdp) - 1] = '\0';
data/mg-20200723/line.c:550:9: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
rlen = strlen(repl);
data/mg-20200723/log.c:387:11: [1] (access) umask:
Ensure that umask is given most restrictive possible setting (e.g., 066 or
077) (CWE-732).
oumask = umask(0);
data/mg-20200723/main.c:161:28: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
if (argv[i][0] == '+' && strlen(argv[i]) >= 2) {
data/mg-20200723/region.c:549:20: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
write(s[1], err, strlen(err));
data/mg-20200723/region.c:659:13: [1] (buffer) read:
Check buffer boundaries if used in a loop including recursive loops
(CWE-120, CWE-20).
if ((len = read(fd, buf, BUFSIZ - 1)) <= 0)
data/mg-20200723/search.c:261:11: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
pptr = strlen(pat);
data/mg-20200723/search.c:298:11: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
pptr = strlen(pat);
data/mg-20200723/search.c:492:9: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
plen = strlen(pat);
data/mg-20200723/search.c:584:9: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
plen = strlen(pat);
data/mg-20200723/search.c:659:9: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
plen = strlen(pat);
data/mg-20200723/tags.c:399:20: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
t->pat = strip(l, strlen(l));
data/mg-20200723/tags.c:418:9: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
plen = strlen(s_pat);
data/mg-20200723/tags.c:496:2: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy(token, ltext(curwp->w_dotp) + tdoto, size);
data/mg-20200723/ttyio.c:174:9: [1] (buffer) read:
Check buffer boundaries if used in a loop including recursive loops
(CWE-120, CWE-20).
ret = read(STDIN_FILENO, &c, 1);
data/mg-20200723/word.c:163:13: [1] (buffer) strlen:
Does not handle strings that are not \0-terminated; if given one it may
perform an over-read (it could cause a crash if unprotected) (CWE-126).
tmp_len = strlen(word2);
ANALYSIS SUMMARY:
Hits = 233
Lines analyzed = 20784 in approximately 0.48 seconds (43397 lines/second)
Physical Source Lines of Code (SLOC) = 15229
Hits@level = [0] 52 [1] 50 [2] 154 [3] 6 [4] 21 [5] 2
Hits@level+ = [0+] 285 [1+] 233 [2+] 183 [3+] 29 [4+] 23 [5+] 2
Hits/KSLOC@level+ = [0+] 18.7143 [1+] 15.2998 [2+] 12.0165 [3+] 1.90426 [4+] 1.51028 [5+] 0.131328
Dot directories skipped = 1 (--followdotdir overrides)
Minimum risk level = 1
Not every hit is necessarily a security vulnerability.
There may be other security vulnerabilities; review your code!
See 'Secure Programming HOWTO'
(https://dwheeler.com/secure-programs) for more information.