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/fwlogwatch-1.4/compare.h Examining data/fwlogwatch-1.4/utils.h Examining data/fwlogwatch-1.4/ipfilter.h Examining data/fwlogwatch-1.4/output.h Examining data/fwlogwatch-1.4/ipchains.h Examining data/fwlogwatch-1.4/response.h Examining data/fwlogwatch-1.4/resolve.h Examining data/fwlogwatch-1.4/netfilter.h Examining data/fwlogwatch-1.4/whois.c Examining data/fwlogwatch-1.4/net.c Examining data/fwlogwatch-1.4/main.c Examining data/fwlogwatch-1.4/lancom.c Examining data/fwlogwatch-1.4/ipfw.h Examining data/fwlogwatch-1.4/parser.h Examining data/fwlogwatch-1.4/rcfile.h Examining data/fwlogwatch-1.4/compare.c Examining data/fwlogwatch-1.4/modes.h Examining data/fwlogwatch-1.4/whois.h Examining data/fwlogwatch-1.4/output.c Examining data/fwlogwatch-1.4/snort.h Examining data/fwlogwatch-1.4/parser.c Examining data/fwlogwatch-1.4/rcfile.c Examining data/fwlogwatch-1.4/cisco_ios.h Examining data/fwlogwatch-1.4/response.c Examining data/fwlogwatch-1.4/main.h Examining data/fwlogwatch-1.4/utils.c Examining data/fwlogwatch-1.4/net.h Examining data/fwlogwatch-1.4/lancom.h Examining data/fwlogwatch-1.4/cisco_pix.h Examining data/fwlogwatch-1.4/netscreen.h Examining data/fwlogwatch-1.4/modes.c Examining data/fwlogwatch-1.4/resolve.c FINAL RESULTS: data/fwlogwatch-1.4/modes.c:226:14: [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. output = popen(buf, "w"); data/fwlogwatch-1.4/net.c:664:8: [4] (crypto) crypt: The crypt functions use a poor one-way hashing algorithm; since they only accept passwords of 8 characters or fewer and only a two-byte salt, they are excessively vulnerable to dictionary attacks given today's faster computing equipment (CWE-327). Use a different algorithm, such as SHA-256, with a larger, non-repeating salt. pnt = crypt(password + strlen(opt.user) + 1, salt); data/fwlogwatch-1.4/utils.c:92:5: [4] (shell) execl: 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. execl("/bin/sh", "/bin/sh", "-c", buf, NULL); data/fwlogwatch-1.4/utils.c:541:5: [4] (format) vsnprintf: 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. vsnprintf(buf, BUFSIZE, format, argv); data/fwlogwatch-1.4/main.c:223:10: [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. user = getenv("USER"); data/fwlogwatch-1.4/main.c:246:18: [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 ((iopt = getopt(argc, argv, "a:AbBc:C:dDeE:F:hi:I:k:l:Lm:M:nNo:O:pP:RsStT:U:vVwWX:yz")) != EOF) { data/fwlogwatch-1.4/compare.c:302:3: [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 stime[TIMESIZE]; data/fwlogwatch-1.4/lancom.c:18:3: [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 smonth[4]; data/fwlogwatch-1.4/main.c:136:3: [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 *user, host[SHOSTLEN]; data/fwlogwatch-1.4/main.c:249:23: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). opt.threshold = atoi(optarg); data/fwlogwatch-1.4/main.c:333:19: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). opt.least = atoi(optarg); data/fwlogwatch-1.4/main.c:336:17: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). opt.max = atoi(optarg); data/fwlogwatch-1.4/main.c:389:24: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). opt.listenport = atoi(optarg); data/fwlogwatch-1.4/main.h: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 hostname[SHOSTLEN]; data/fwlogwatch-1.4/main.h:375:3: [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 chainlabel[SHORTLEN]; data/fwlogwatch-1.4/main.h:376:3: [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 branchname[SHORTLEN]; data/fwlogwatch-1.4/main.h:377:3: [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 interface[SHORTLEN]; data/fwlogwatch-1.4/main.h:476:3: [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 rcfile[FILESIZE]; data/fwlogwatch-1.4/main.h:477:3: [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 rcfile_dns[FILESIZE]; data/fwlogwatch-1.4/main.h:480:3: [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 format_sel[SHORTLEN]; data/fwlogwatch-1.4/main.h:498:3: [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 sort_order[MAXSORTSIZE]; data/fwlogwatch-1.4/main.h:504:3: [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 outputfile[FILESIZE]; data/fwlogwatch-1.4/main.h:506:3: [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 title[TITLESIZE]; data/fwlogwatch-1.4/main.h:507:3: [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 stylesheet[CSSSIZE]; data/fwlogwatch-1.4/main.h:508:3: [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 textcol[COLORSIZE]; data/fwlogwatch-1.4/main.h:509:3: [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 bgcol[COLORSIZE]; data/fwlogwatch-1.4/main.h:510:3: [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 rowcol1[COLORSIZE]; data/fwlogwatch-1.4/main.h:511:3: [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 rowcol2[COLORSIZE]; data/fwlogwatch-1.4/main.h:514:3: [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 hostname[SHOSTLEN]; data/fwlogwatch-1.4/main.h:517:3: [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 chainlabel[SHORTLEN]; data/fwlogwatch-1.4/main.h:520:3: [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 branchname[SHORTLEN]; data/fwlogwatch-1.4/main.h:523:3: [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 interface[SHORTLEN]; data/fwlogwatch-1.4/main.h:531:3: [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 sender[EMAILSIZE]; data/fwlogwatch-1.4/main.h:532:3: [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 recipient[EMAILSIZE]; data/fwlogwatch-1.4/main.h:533:3: [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 cc[EMAILSIZE]; data/fwlogwatch-1.4/main.h:537:3: [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 pidfile[FILESIZE]; data/fwlogwatch-1.4/main.h:538:3: [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 notify_script[FILESIZE]; data/fwlogwatch-1.4/main.h:539:3: [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 respond_script[FILESIZE]; data/fwlogwatch-1.4/main.h:540:3: [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 run_as[USERSIZE]; data/fwlogwatch-1.4/main.h:544:3: [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 listenif[IP6LEN]; data/fwlogwatch-1.4/main.h:545:3: [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 listento[IP6LEN]; data/fwlogwatch-1.4/main.h:547:3: [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 user[USERSIZE]; data/fwlogwatch-1.4/main.h:548:3: [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 password[PASSWORDSIZE]; data/fwlogwatch-1.4/main.h:553:3: [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 ntop[INET6_ADDRSTRLEN]; data/fwlogwatch-1.4/modes.c:48:3: [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[BUFSIZE]; data/fwlogwatch-1.4/modes.c:95:3: [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 nows[TIMESIZE], first_entry[TIMESIZE], last_entry[TIMESIZE], *input = NULL, last_file = 0; data/fwlogwatch-1.4/modes.c:121:21: [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). opt.inputfd = fopen(input, "r"); data/fwlogwatch-1.4/modes.c:220:5: [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]; data/fwlogwatch-1.4/modes.c:446:19: [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). opt.inputfd = fopen(first_file->name, "r"); data/fwlogwatch-1.4/modes.c:594:12: [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). retval = open("/dev/null", O_RDWR); data/fwlogwatch-1.4/modes.c:620:15: [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). pidfile = fopen(opt.pidfile, "w"); data/fwlogwatch-1.4/modes.c:714:3: [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[BUFSIZE], stime[TIMESIZE], month[4], *input = NULL, last_file = 0; data/fwlogwatch-1.4/modes.c:736:21: [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). opt.inputfd = fopen(input, "r"); data/fwlogwatch-1.4/net.c:81:5: [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 nnb[HOSTLEN]; data/fwlogwatch-1.4/net.c:123:12: [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. unsigned char a[4], b[4], o[3], c, dtable[256]; data/fwlogwatch-1.4/net.c:124:3: [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[80], *pnt; data/fwlogwatch-1.4/net.c:322:3: [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[BUFSIZE], nows[TIMESIZE]; data/fwlogwatch-1.4/net.c:590:3: [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 nab[INET6_ADDRSTRLEN]; data/fwlogwatch-1.4/net.c:591:3: [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[BUFSIZE], password[PASSWORDSIZE], salt[3], *pnt, command[9] = "", option1 = 'm', option2 = 'm'; data/fwlogwatch-1.4/net.c:622:7: [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(command, "show"); data/fwlogwatch-1.4/net.c:624:7: [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(command, "page"); data/fwlogwatch-1.4/net.c:627:7: [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(command, "sort"); data/fwlogwatch-1.4/net.c:631:7: [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(command, "least"); data/fwlogwatch-1.4/net.c:634:7: [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(command, "max"); data/fwlogwatch-1.4/net.c:637:7: [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(command, "alert"); data/fwlogwatch-1.4/net.c:640:7: [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(command, "refresh"); data/fwlogwatch-1.4/net.c:643:7: [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(command, "recent"); data/fwlogwatch-1.4/net.c:646:12: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). id = atoi(buf + 13); data/fwlogwatch-1.4/net.c:648:2: [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(command, "pcdrop"); data/fwlogwatch-1.4/net.c:650:12: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). id = atoi(buf + 15); data/fwlogwatch-1.4/net.c:652:2: [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(command, "escalate"); data/fwlogwatch-1.4/net.c:654:12: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). id = atoi(buf + 13); data/fwlogwatch-1.4/net.c:656:2: [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(command, "hsdrop"); data/fwlogwatch-1.4/output.c:25:3: [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 tmp[4]; data/fwlogwatch-1.4/output.c:86:7: [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(buf, "SYN"); data/fwlogwatch-1.4/output.c:189:3: [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 *proto, time[TIMESIZE], buf[HOSTLEN]; data/fwlogwatch-1.4/output.c:373:3: [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 nows[TIMESIZE]; data/fwlogwatch-1.4/output.c:391:7: [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]; data/fwlogwatch-1.4/output.c:395:15: [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). cssfd = fopen(opt.stylesheet, "r"); data/fwlogwatch-1.4/parser.c:34:7: [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 month[4], time[9], name[SHOSTLEN], rest[BUFSIZE]; data/fwlogwatch-1.4/parser.c:38:39: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). opt.line->count = opt.orig_count * atoi(pnt + 23); data/fwlogwatch-1.4/parser.c:203:15: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). seconds = atoi(string); data/fwlogwatch-1.4/parser.c:225:15: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). seconds = atoi(string); data/fwlogwatch-1.4/rcfile.c:63:10: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). return atoi(string); data/fwlogwatch-1.4/rcfile.c:337:3: [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[BUFSIZE], *name; data/fwlogwatch-1.4/rcfile.c:364:8: [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(name, "r"); data/fwlogwatch-1.4/resolve.c:76:3: [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 hbuf[NI_MAXHOST]; data/fwlogwatch-1.4/resolve.c:84:12: [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. unsigned char buf[sizeof(struct sockaddr_in6)]; data/fwlogwatch-1.4/resolve.c:89:3: [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(&in6a, &ip, sizeof(struct in6_addr)); data/fwlogwatch-1.4/resolve.c:108:7: [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 dst[HOSTLEN], dst2[HOSTLEN]; data/fwlogwatch-1.4/resolve.c:224:3: [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(&dns->ip, &ip, sizeof(struct in6_addr)); data/fwlogwatch-1.4/resolve.c:248:3: [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(&dns->ip, ip, sizeof(struct in6_addr)); data/fwlogwatch-1.4/resolve.c:265:3: [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(&adnse->ip, ip, sizeof(struct in6_addr)); data/fwlogwatch-1.4/resolve.c:267:5: [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[INET6_ADDRSTRLEN]; data/fwlogwatch-1.4/resolve.c:276:5: [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(&sa6.sin6_addr, ip, sizeof(struct in6_addr)); data/fwlogwatch-1.4/response.c:25:3: [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[BUFSIZE]; data/fwlogwatch-1.4/response.c:30:3: [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 chain[10], src_dst[36], interface[16]; data/fwlogwatch-1.4/response.c:32:3: [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 rest[80]; data/fwlogwatch-1.4/response.c:34:8: [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("/proc/net/ip_fwchains", "r"); data/fwlogwatch-1.4/response.c:93:3: [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[BUFSIZE]; data/fwlogwatch-1.4/response.c:106:3: [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[BUFSIZE], buf2[BUFSIZE]; data/fwlogwatch-1.4/utils.c:312:5: [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 nnb[HOSTLEN]; data/fwlogwatch-1.4/utils.c:332:9: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). n = atoi(pnt + 1); data/fwlogwatch-1.4/utils.c:458:28: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). excluded_this->value = atoi(input); data/fwlogwatch-1.4/utils.c:514:3: [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 stime[TIMESIZE]; data/fwlogwatch-1.4/utils.c:536:5: [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]; data/fwlogwatch-1.4/whois.c:31:3: [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 buffer[WHOISCMDLEN]; data/fwlogwatch-1.4/whois.c:45:14: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). retval = atoi(&buffer[1]); data/fwlogwatch-1.4/whois.c:94:3: [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 cmdstr[WHOISCMDLEN], *data; data/fwlogwatch-1.4/whois.c:126:3: [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 cmdstr[WHOISCMDLEN], *data, *descs, *desce; data/fwlogwatch-1.4/whois.c:148:18: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). we->as_number = atoi(descs); data/fwlogwatch-1.4/whois.c:196:3: [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 saddrt[WHOISROUTELEN]; data/fwlogwatch-1.4/whois.c:266:3: [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(he->h_addr, &sin.sin_addr, he->h_length); data/fwlogwatch-1.4/compare.c:32:28: [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). data->hostname = xmalloc(strlen(opt.line->hostname) + 1); data/fwlogwatch-1.4/compare.c:33:48: [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). xstrncpy(data->hostname, opt.line->hostname, strlen(opt.line->hostname) + 1); data/fwlogwatch-1.4/compare.c:34:30: [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). data->chainlabel = xmalloc(strlen(opt.line->chainlabel) + 1); data/fwlogwatch-1.4/compare.c:35:52: [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). xstrncpy(data->chainlabel, opt.line->chainlabel, strlen(opt.line->chainlabel) + 1); data/fwlogwatch-1.4/compare.c:36:30: [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). data->branchname = xmalloc(strlen(opt.line->branchname) + 1); data/fwlogwatch-1.4/compare.c:37:52: [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). xstrncpy(data->branchname, opt.line->branchname, strlen(opt.line->branchname) + 1); data/fwlogwatch-1.4/compare.c:38:29: [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). data->interface = xmalloc(strlen(opt.line->interface) + 1); data/fwlogwatch-1.4/compare.c:39:50: [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). xstrncpy(data->interface, opt.line->interface, strlen(opt.line->interface) + 1); data/fwlogwatch-1.4/lancom.c:26:12: [1] (buffer) sscanf: It's unclear if the %s limit in the format string is small enough (CWE-120). Check that the limit is sufficiently small, or use a different input function. retval = sscanf(sinputs, "%3s %2d %2d:%2d:%2d", smonth, &day, &hour, &minute, &second); data/fwlogwatch-1.4/modes.c:759:16: [1] (buffer) sscanf: It's unclear if the %s limit in the format string is small enough (CWE-120). Check that the limit is sufficiently small, or use a different input function. retval = sscanf(buf, "%3s %u %2d:%2d:%2d ", month, &day, &hour, &minute, &second); data/fwlogwatch-1.4/net.c:53:12: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). retval = read(file, &c, 1); data/fwlogwatch-1.4/net.c:56:14: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). retval = read(file, &c, 1); data/fwlogwatch-1.4/net.c:152:23: [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). xstrncpy(input, buf, strlen(input)); data/fwlogwatch-1.4/net.c:173:28: [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). xstrncpy(input, buf, strlen(input)); data/fwlogwatch-1.4/net.c:619:33: [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). fprintf(stderr, "%3d %s\n", strlen(buf), buf); data/fwlogwatch-1.4/net.c:621:10: [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). if ((strlen(buf) == 14) && (strncmp(buf, "GET / HTTP/1.", 13) == 0)) { data/fwlogwatch-1.4/net.c:623:17: [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). } else if ((strlen(buf) == 21) && (strncmp(buf, "GET /?page=", 11) == 0) && (strchr("ioph", buf[11]) != NULL)) { data/fwlogwatch-1.4/net.c:626:17: [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). } else if ((strlen(buf) == 22) && (strncmp(buf, "GET /?sort=", 11) == 0) && (strchr("ctpbSsDdze", buf[11]) != NULL) && (strchr("ad", buf[12]) != NULL)) { data/fwlogwatch-1.4/net.c:630:17: [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). } else if ((strlen(buf) == 22) && (strncmp(buf, "GET /?least=", 12) == 0) && (strchr("ml", buf[12]) != NULL)) { data/fwlogwatch-1.4/net.c:633:17: [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). } else if ((strlen(buf) == 20) && (strncmp(buf, "GET /?max=", 10) == 0) && (strchr("ml", buf[10]) != NULL)) { data/fwlogwatch-1.4/net.c:636:17: [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). } else if ((strlen(buf) == 22) && (strncmp(buf, "GET /?alert=", 12) == 0) && (strchr("ml", buf[12]) != NULL)) { data/fwlogwatch-1.4/net.c:639:17: [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). } else if ((strlen(buf) == 24) && (strncmp(buf, "GET /?refresh=", 14) == 0) && (strchr("ml", buf[14]) != NULL)) { data/fwlogwatch-1.4/net.c:642:17: [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). } else if ((strlen(buf) == 23) && (strncmp(buf, "GET /?recent=", 13) == 0) && (strchr("ml", buf[13]) != NULL)) { data/fwlogwatch-1.4/net.c:645:17: [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). } else if ((strlen(buf) == 32) && (strncmp(buf, "GET /?pcdrop=", 13) == 0)) { data/fwlogwatch-1.4/net.c:649:17: [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). } else if ((strlen(buf) == 34) && (strncmp(buf, "GET /?escalate=", 15) == 0)) { data/fwlogwatch-1.4/net.c:653:17: [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). } else if ((strlen(buf) == 32) && (strncmp(buf, "GET /?hsdrop=", 13) == 0)) { data/fwlogwatch-1.4/net.c:660:39: [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(opt.user, password, strlen(opt.user)) == 0) { data/fwlogwatch-1.4/net.c:664:25: [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). pnt = crypt(password + strlen(opt.user) + 1, salt); data/fwlogwatch-1.4/net.c:665:33: [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(opt.password, pnt, strlen(opt.password)) == 0) { data/fwlogwatch-1.4/output.c:39:3: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(td, tmp, 4); data/fwlogwatch-1.4/output.c:44:3: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(td, tmp, 4); data/fwlogwatch-1.4/output.c:48:3: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(td, tmp, 3); data/fwlogwatch-1.4/output.c:55:7: [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(buf, "s"); data/fwlogwatch-1.4/output.c:57:7: [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(buf, "-"); data/fwlogwatch-1.4/output.c:60:7: [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(buf, "a"); data/fwlogwatch-1.4/output.c:62:7: [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(buf, "-"); data/fwlogwatch-1.4/output.c:65:7: [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(buf, "f"); data/fwlogwatch-1.4/output.c:67:7: [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(buf, "-"); data/fwlogwatch-1.4/output.c:70:7: [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(buf, "r"); data/fwlogwatch-1.4/output.c:72:7: [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(buf, "-"); data/fwlogwatch-1.4/output.c:75:7: [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(buf, "p"); data/fwlogwatch-1.4/output.c:77:7: [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(buf, "-"); data/fwlogwatch-1.4/output.c:80:7: [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(buf, "u"); data/fwlogwatch-1.4/output.c:82:7: [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(buf, "-"); data/fwlogwatch-1.4/output.c:88:7: [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(buf, "-"); data/fwlogwatch-1.4/parser.c:36:11: [1] (buffer) sscanf: It's unclear if the %s limit in the format string is small enough (CWE-120). Check that the limit is sufficiently small, or use a different input function. if (sscanf(input, "%3s %u %8s %" SHOSTLEN_S "s %" BUFSIZE_S "s", month, &day, time, name, rest) == 5) { data/fwlogwatch-1.4/resolve.c:132:8: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(fqdn, dst2, HOSTLEN - strlen(fqdn) - 1); data/fwlogwatch-1.4/resolve.c:132:38: [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). strncat(fqdn, dst2, HOSTLEN - strlen(fqdn) - 1); data/fwlogwatch-1.4/resolve.c:139:8: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(fqdn, dst2, HOSTLEN - strlen(fqdn) - 1); data/fwlogwatch-1.4/resolve.c:139:38: [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). strncat(fqdn, dst2, HOSTLEN - strlen(fqdn) - 1); data/fwlogwatch-1.4/resolve.c:225:23: [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). dns->fqdn = xmalloc(strlen(fqdn) + 1); data/fwlogwatch-1.4/resolve.c:226:29: [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). xstrncpy(dns->fqdn, fqdn, strlen(fqdn) + 1); data/fwlogwatch-1.4/resolve.c:249:23: [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). dns->fqdn = xmalloc(strlen(hostname) + 1); data/fwlogwatch-1.4/resolve.c:250:33: [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). xstrncpy(dns->fqdn, hostname, strlen(hostname) + 1); data/fwlogwatch-1.4/response.c:41:14: [1] (buffer) sscanf: It's unclear if the %s limit in the format string is small enough (CWE-120). Check that the limit is sufficiently small, or use a different input function. retval = sscanf(buf, "%10s %36s %16s %6X %6X %5u %80s\n", chain, src_dst, interface, &fw_flg, &fw_invflg, &protocol, rest); data/fwlogwatch-1.4/response.c:113:7: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant string. strncat(buf, " add", BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:113:38: [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). strncat(buf, " add", BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:115:7: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant string. strncat(buf, " remove", BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:115:41: [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). strncat(buf, " remove", BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:120:3: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(buf, buf2, BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:120:32: [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). strncat(buf, buf2, BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:124:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(buf, buf2, BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:124:34: [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). strncat(buf, buf2, BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:126:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant string. strncat(buf, " -", BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:126:34: [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). strncat(buf, " -", BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:131:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(buf, buf2, BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:131:34: [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). strncat(buf, buf2, BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:133:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant string. strncat(buf, " -", BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:133:34: [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). strncat(buf, " -", BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:138:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(buf, buf2, BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:138:34: [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). strncat(buf, buf2, BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:140:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant string. strncat(buf, " -", BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:140:34: [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). strncat(buf, " -", BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:145:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. strncat(buf, buf2, BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:145:34: [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). strncat(buf, buf2, BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:147:5: [1] (buffer) strncat: Easily used incorrectly (e.g., incorrectly computing the correct maximum size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf, or automatically resizing strings. Risk is low because the source is a constant string. strncat(buf, " -", BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/response.c:147:34: [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). strncat(buf, " -", BUFSIZE - strlen(buf) - 1); data/fwlogwatch-1.4/utils.c:460:37: [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). excluded_this->svalue = xmalloc(strlen(input) + 1); data/fwlogwatch-1.4/utils.c:461:44: [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). xstrncpy(excluded_this->svalue, input, strlen(input) + 1); data/fwlogwatch-1.4/utils.c:480:24: [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). file->name = xmalloc(strlen(name) + 1); data/fwlogwatch-1.4/utils.c:483:30: [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). xstrncpy(file->name, name, strlen(name) + 1); data/fwlogwatch-1.4/utils.c:542:29: [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). retval = write(fd, buf, strlen(buf)); data/fwlogwatch-1.4/whois.c:34:3: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). read(opt.whois_sock, &c, 1); data/fwlogwatch-1.4/whois.c:38:5: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). read(opt.whois_sock, &c, 1); data/fwlogwatch-1.4/whois.c:64:14: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). retval = read(opt.whois_sock, (char *) (buf + cnt), (len - cnt)); data/fwlogwatch-1.4/whois.c:97:33: [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(opt.whois_sock, cmdstr, strlen(cmdstr)); data/fwlogwatch-1.4/whois.c:117:30: [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). we->as_descr = xmalloc(strlen(descs) + 1); data/fwlogwatch-1.4/whois.c:118:37: [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). xstrncpy(we->as_descr, descs, strlen(descs) + 1); data/fwlogwatch-1.4/whois.c:134:33: [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(opt.whois_sock, cmdstr, strlen(cmdstr)); data/fwlogwatch-1.4/whois.c:158:25: [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). we->ip_route = xmalloc(strlen(descs) + 1); data/fwlogwatch-1.4/whois.c:159:32: [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). xstrncpy(we->ip_route, descs, strlen(descs) + 1); data/fwlogwatch-1.4/whois.c:168:25: [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). we->ip_descr = xmalloc(strlen(descs) + 1); data/fwlogwatch-1.4/whois.c:169:32: [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). xstrncpy(we->ip_descr, descs, strlen(descs) + 1); ANALYSIS SUMMARY: Hits = 206 Lines analyzed = 6173 in approximately 0.21 seconds (28864 lines/second) Physical Source Lines of Code (SLOC) = 5288 Hits@level = [0] 371 [1] 93 [2] 107 [3] 2 [4] 4 [5] 0 Hits@level+ = [0+] 577 [1+] 206 [2+] 113 [3+] 6 [4+] 4 [5+] 0 Hits/KSLOC@level+ = [0+] 109.115 [1+] 38.9561 [2+] 21.3691 [3+] 1.13464 [4+] 0.75643 [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.