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/distro-info-0.24/debian-distro-info.c Examining data/distro-info-0.24/distro-info-util.c Examining data/distro-info-0.24/distro-info-util.h Examining data/distro-info-0.24/ubuntu-distro-info.c FINAL RESULTS: data/distro-info-0.24/distro-info-util.c:75:9: [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, NAME ": Failed to open %s: %s\n", filename, data/distro-info-0.24/distro-info-util.c:81:9: [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, NAME ": %s has a negative file size.\n", filename); data/distro-info-0.24/distro-info-util.c:87:9: [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, NAME ": Failed to read %zu bytes from %s.\n", size, data/distro-info-0.24/distro-info-util.c:157:13: [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, NAME ": Invalid date `%s' in file `%s' at line %i " data/distro-info-0.24/distro-info-util.c:318:9: [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. printf(DISTRO_NAME " %s \"%s\"\n", distro->version, distro->codename); data/distro-info-0.24/distro-info-util.c:324:17: [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. printf(DISTRO_NAME " %s \"%s\" %s\n", data/distro-info-0.24/distro-info-util.c:331:17: [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. printf(DISTRO_NAME " %s \"%s\" %zd\n", data/distro-info-0.24/distro-info-util.c:401:9: [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, NAME ": Header `%s' in file `%s' does not match " data/distro-info-0.24/distro-info-util.c:437:9: [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, NAME ": No data found in file `%s'.\n", filename); data/distro-info-0.24/distro-info-util.c:548:5: [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, NAME ": You have to select exactly one of " data/distro-info-0.24/distro-info-util.c:634:21: [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, NAME ": --alias requested multiple times.\n"); data/distro-info-0.24/distro-info-util.c:639:21: [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, NAME ": invalid distribution codename `%s'\n", data/distro-info-0.24/distro-info-util.c:674:21: [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, NAME ": Date specified multiple times.\n"); data/distro-info-0.24/distro-info-util.c:682:21: [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, NAME ": invalid date `%s'\n", optarg); data/distro-info-0.24/distro-info-util.c:691:21: [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, NAME ": series requested multiple times.\n"); data/distro-info-0.24/distro-info-util.c:695:21: [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, NAME ": invalid distribution series `%s'\n", data/distro-info-0.24/distro-info-util.c:776:25: [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, NAME ": invalid milestone: %s\n", data/distro-info-0.24/distro-info-util.c:786:21: [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, NAME ": unrecognized option `%s'\n", data/distro-info-0.24/distro-info-util.c:790:21: [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, NAME ": option `--alias' requires " data/distro-info-0.24/distro-info-util.c:794:21: [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, NAME ": option `--date' requires " data/distro-info-0.24/distro-info-util.c:797:21: [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, NAME ": option `--series' requires " data/distro-info-0.24/distro-info-util.c:800:21: [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, NAME ": unrecognized option `-%c'\n", data/distro-info-0.24/distro-info-util.c:808:17: [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, NAME ": getopt returned character code %i. " data/distro-info-0.24/distro-info-util.c:820:9: [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, NAME ": unrecognized arguments: %s", argv[optind]); data/distro-info-0.24/distro-info-util.c:861:13: [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, NAME ": " OUTDATED_ERROR "\n"); data/distro-info-0.24/distro-info-util.c:895:17: [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, NAME ": unknown distribution series `%s'\n", series_name); data/distro-info-0.24/distro-info-util.c:897:17: [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, NAME ": " OUTDATED_ERROR "\n"); data/distro-info-0.24/distro-info-util.c:627:22: [3] (buffer) getopt_long: 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 ((option = getopt_long(argc, argv, short_options, data/distro-info-0.24/distro-info-util.c:73:9: [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). f = fopen(filename, "r"); data/distro-info-0.24/distro-info-util.c:143:12: [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). return strlen(codename) > 0 && data/distro-info-0.24/distro-info-util.c:144:62: [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). strspn(codename, "abcdefghijklmnopqrstuvwxyz") == strlen(codename); ANALYSIS SUMMARY: Hits = 31 Lines analyzed = 1087 in approximately 0.06 seconds (17621 lines/second) Physical Source Lines of Code (SLOC) = 857 Hits@level = [0] 21 [1] 2 [2] 1 [3] 1 [4] 27 [5] 0 Hits@level+ = [0+] 52 [1+] 31 [2+] 29 [3+] 28 [4+] 27 [5+] 0 Hits/KSLOC@level+ = [0+] 60.6768 [1+] 36.1727 [2+] 33.839 [3+] 32.6721 [4+] 31.5053 [5+] 0 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.