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/libfile-extattr-perl-1.09/flags.c Examining data/libfile-extattr-perl-1.09/extattr_bsd.c Examining data/libfile-extattr-perl-1.09/ppport.h Examining data/libfile-extattr-perl-1.09/extattr_bsd.h Examining data/libfile-extattr-perl-1.09/flags.h Examining data/libfile-extattr-perl-1.09/extattr_macosx.h Examining data/libfile-extattr-perl-1.09/portable.h Examining data/libfile-extattr-perl-1.09/extattr_linux.c Examining data/libfile-extattr-perl-1.09/extattr_solaris.h Examining data/libfile-extattr-perl-1.09/extattr_os.h Examining data/libfile-extattr-perl-1.09/extattr_macosx.c Examining data/libfile-extattr-perl-1.09/extattr_solaris.c Examining data/libfile-extattr-perl-1.09/extattr_linux.h FINAL RESULTS: data/libfile-extattr-perl-1.09/extattr_solaris.c:143:4: [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(buf + len, de->d_name); data/libfile-extattr-perl-1.09/extattr_bsd.c:372:7: [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(p, NAMESPACE_USER, sizeof(NAMESPACE_USER)); data/libfile-extattr-perl-1.09/extattr_bsd.c:377:7: [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(p, NAMESPACE_SYSTEM, sizeof(NAMESPACE_SYSTEM)); data/libfile-extattr-perl-1.09/extattr_linux.c:333:5: [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(buf, sbuf, sbuiltlen); data/libfile-extattr-perl-1.09/flags.c:82:5: [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(buf, NAMESPACE_USER, sizeof(NAMESPACE_USER)); data/libfile-extattr-perl-1.09/extattr_bsd.c:16:35: [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). const size_t NAMESPACE_KEYLEN = strlen(NAMESPACE_KEY); data/libfile-extattr-perl-1.09/extattr_linux.c:16:23: [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). const size_t slen = strlen(str); data/libfile-extattr-perl-1.09/extattr_linux.c:47:35: [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). const size_t NAMESPACE_KEYLEN = strlen(NAMESPACE_KEY); data/libfile-extattr-perl-1.09/extattr_linux.c:60:7: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(ns, s, len); data/libfile-extattr-perl-1.09/extattr_linux.c:82:14: [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). reslen = strlen(pNS) + strlen(attrname) + 2; /* pNS + "." + attrname + nul */ data/libfile-extattr-perl-1.09/extattr_linux.c:82:28: [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). reslen = strlen(pNS) + strlen(attrname) + 2; /* pNS + "." + attrname + nul */ data/libfile-extattr-perl-1.09/extattr_linux.c:291:13: [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). spos += strlen(pNS) + 1; data/libfile-extattr-perl-1.09/extattr_linux.c:321:15: [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). src_len = strlen(psrc) + 1; data/libfile-extattr-perl-1.09/extattr_solaris.c:50:12: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). sz = read(attrfd, attrvalue, slen); data/libfile-extattr-perl-1.09/extattr_solaris.c:126:30: [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). const size_t namelen = strlen(de->d_name); data/libfile-extattr-perl-1.09/flags.c:16:32: [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). const size_t CREATE_KEYLEN = strlen(CREATE_KEY); data/libfile-extattr-perl-1.09/flags.c:17:33: [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). const size_t REPLACE_KEYLEN = strlen(REPLACE_KEY); data/libfile-extattr-perl-1.09/flags.c:42:35: [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). const size_t NAMESPACE_KEYLEN = strlen(NAMESPACE_KEY); data/libfile-extattr-perl-1.09/ppport.h:726:22: [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 len = strlen(radix); ANALYSIS SUMMARY: Hits = 19 Lines analyzed = 3448 in approximately 0.11 seconds (32276 lines/second) Physical Source Lines of Code (SLOC) = 2592 Hits@level = [0] 1 [1] 14 [2] 4 [3] 0 [4] 1 [5] 0 Hits@level+ = [0+] 20 [1+] 19 [2+] 5 [3+] 1 [4+] 1 [5+] 0 Hits/KSLOC@level+ = [0+] 7.71605 [1+] 7.33025 [2+] 1.92901 [3+] 0.385802 [4+] 0.385802 [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.