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/lice5-5.3.0/extra/sscan.c FINAL RESULTS: data/lice5-5.3.0/extra/sscan.c:56:2: [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(sockip, argv[2]); data/lice5-5.3.0/extra/sscan.c:63:17: [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). if (argc >= 4) strcpy(a, argv[3]); data/lice5-5.3.0/extra/sscan.c:64:17: [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). if (argc >= 5) strcpy(b, argv[4]); data/lice5-5.3.0/extra/sscan.c:65:17: [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). if (argc >= 6) strcpy(c, argv[5]); data/lice5-5.3.0/extra/sscan.c:66:17: [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). if (argc >= 7) strcpy(d, argv[6]); data/lice5-5.3.0/extra/sscan.c:143:4: [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(hexstr, buf); data/lice5-5.3.0/extra/sscan.c:36:8: [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 sockip[1024],a[1024],b[1024],c[1024],d[1024]; data/lice5-5.3.0/extra/sscan.c:89:2: [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 hexstr[20]; data/lice5-5.3.0/extra/sscan.c:90:2: [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 tmpstr2[20] = "\0\0\0\0\0\0"; data/lice5-5.3.0/extra/sscan.c:91:2: [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[20]; data/lice5-5.3.0/extra/sscan.c:109:3: [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(&sin.sin_addr, he->h_addr, he->h_length); data/lice5-5.3.0/extra/sscan.c:141:4: [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(hexstr, "HEX:"); data/lice5-5.3.0/extra/sscan.c:142:4: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(buf, "%d ", tmpstr2[i]); data/lice5-5.3.0/extra/sscan.c:174:2: [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[1024]; data/lice5-5.3.0/extra/sscan.c:192:3: [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(&sin.sin_addr, he->h_addr, he->h_length); data/lice5-5.3.0/extra/sscan.c:58:3: [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(a, ""); data/lice5-5.3.0/extra/sscan.c:59:3: [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(b, ""); data/lice5-5.3.0/extra/sscan.c:60:3: [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(c, ""); data/lice5-5.3.0/extra/sscan.c:61:3: [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(d, ""); data/lice5-5.3.0/extra/sscan.c:68:14: [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). if ((sockip[strlen(sockip)-2] == 103) && (sockip[strlen(sockip)-1] == 114) ) { data/lice5-5.3.0/extra/sscan.c:68:51: [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 ((sockip[strlen(sockip)-2] == 103) && (sockip[strlen(sockip)-1] == 114) ) { data/lice5-5.3.0/extra/sscan.c:140:4: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). read(sockfd2, tmpstr2, 10); data/lice5-5.3.0/extra/sscan.c:216:14: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). numbytes = read(sockfd, buf, sizeof(buf)); data/lice5-5.3.0/extra/sscan.c:219:15: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). numbytes = read(sockfd, buf, sizeof(buf)); ANALYSIS SUMMARY: Hits = 24 Lines analyzed = 231 in approximately 0.26 seconds (901 lines/second) Physical Source Lines of Code (SLOC) = 211 Hits@level = [0] 15 [1] 9 [2] 9 [3] 0 [4] 6 [5] 0 Hits@level+ = [0+] 39 [1+] 24 [2+] 15 [3+] 6 [4+] 6 [5+] 0 Hits/KSLOC@level+ = [0+] 184.834 [1+] 113.744 [2+] 71.09 [3+] 28.436 [4+] 28.436 [5+] 0 Symlinks skipped = 12 (--allowlink overrides but see doc for security issue) 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.