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/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c
Examining data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_exe.c
FINAL RESULTS:
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:54:3: [4] (format) fprintf:
If format strings can be influenced by an attacker, they can be exploited
(CWE-134). Use a constant for the format specification.
fprintf( stderr, __VA_ARGS__ ); \
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:90:3: [4] (buffer) strcpy:
Does not check for buffer overflows when copying to destination [MS-banned]
(CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
easily misused).
strcpy(progname, &argv[0][k]);
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:104:3: [4] (buffer) strcpy:
Does not check for buffer overflows when copying to destination [MS-banned]
(CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
easily misused).
strcpy( scriptpath, dirpath );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:111:5: [4] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused).
strcat( scriptpath, progname );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:211:3: [4] (buffer) strcpy:
Does not check for buffer overflows when copying to destination [MS-banned]
(CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
easily misused).
strcpy( luatexfname, (is_jit ? "luajittex.dll":"luatex.dll") );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:244:3: [4] (buffer) strcpy:
Does not check for buffer overflows when copying to destination [MS-banned]
(CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
easily misused).
strcpy( luatexfname,binary);
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:247:3: [4] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused).
strcat( cmdline, luatexpath );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:249:3: [4] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused).
strcat( cmdline, scriptpath );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:253:5: [4] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused).
strcat( cmdline, progname );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:268:3: [4] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused).
strcat( cmdline, argstr );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:146:5: [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.
getenv("PATH"), // was dirpath, // path to search (optional)
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:155:5: [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.
getenv("PATH") , // was dirpath, // path to search (optional)
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:212:20: [3] (misc) LoadLibrary:
Ensure that the full path to the library is specified, or current directory
may be used (CWE-829, CWE-20). Use registry entry or GetWindowsDirectory to
find library path, if you aren't already.
if ( dllluatex = LoadLibrary(luatexpath) )
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:283:8: [3] (shell) CreateProcess:
This causes a new process to execute and is difficult to use safely
(CWE-78). Specify the application path in the first argument, NOT as part
of the second, or embedded spaces could allow an attacker to force a
different program to run.
if( !CreateProcess(
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:283:8: [3] (shell) CreateProcess:
This causes a new process to execute and is difficult to use safely
(CWE-78). Specify the application path in the first argument, NOT as part
of the second, or embedded spaces could allow an attacker to force a
different program to run.
if( !CreateProcess(
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:58:8: [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 cmdline[MAX_CMD];
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:59:8: [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 dirpath[MAX_PATH];
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:60:8: [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 progname[MAX_PATH];
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:61:8: [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 scriptpath[MAX_PATH];
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:62:8: [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 luatexpath[MAX_PATH];
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:112:5: [2] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused). Risk is low because the
source is a constant string.
strcat( scriptpath, ".lua" );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:114:5: [2] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused). Risk is low because the
source is a constant string.
strcat( scriptpath, "mtxrun.lua" );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:115:5: [2] (buffer) strcpy:
Does not check for buffer overflows when copying to destination [MS-banned]
(CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
easily misused). Risk is low because the source is a constant string.
strcpy( progname, "base" );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:118:5: [2] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused). Risk is low because the
source is a constant string.
strcat( scriptpath, "mtxrun.lua" );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:120:5: [2] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused). Risk is low because the
source is a constant string.
strcat( scriptpath, "mtxrun.lua" );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:245:3: [2] (buffer) strcpy:
Does not check for buffer overflows when copying to destination [MS-banned]
(CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
easily misused). Risk is low because the source is a constant string.
strcpy( cmdline, " --luaonly " );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:248:3: [2] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused). Risk is low because the
source is a constant string.
strcat( cmdline, "\" \"" );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:252:5: [2] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused). Risk is low because the
source is a constant string.
strcat( cmdline, " --script " );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:88:7: [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).
k = strlen(argv[0]);
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:95:26: [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 (strncmp(progname + strlen(progname) - 3, "jit", 3) == 0) {
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:97:17: [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).
progname[strlen(progname) - 3]='\0';
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:105:7: [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).
k = strlen(progname);
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:107:8: [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).
if ( strlen(dirpath) + k + 4 >= MAX_PATH )
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:246:3: [1] (buffer) strcpy:
Does not check for buffer overflows when copying to destination [MS-banned]
(CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
easily misused). Risk is low because the source is a constant character.
strcpy( cmdline, "\"" );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:250:3: [1] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused). Risk is low because the
source is a constant character.
strcat( cmdline, "\"" );
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:266:8: [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).
if ( strlen(cmdline) + strlen(argstr) >= MAX_CMD )
data/context-2020.03.10.20200331/texmf-dist/scripts/context/stubs/source/mtxrun_dll.c:266:26: [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(cmdline) + strlen(argstr) >= MAX_CMD )
ANALYSIS SUMMARY:
Hits = 37
Lines analyzed = 314 in approximately 0.47 seconds (667 lines/second)
Physical Source Lines of Code (SLOC) = 179
Hits@level = [0] 1 [1] 9 [2] 13 [3] 5 [4] 10 [5] 0
Hits@level+ = [0+] 38 [1+] 37 [2+] 28 [3+] 15 [4+] 10 [5+] 0
Hits/KSLOC@level+ = [0+] 212.291 [1+] 206.704 [2+] 156.425 [3+] 83.7989 [4+] 55.8659 [5+] 0
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.