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/ocaml-magic-0.7.3/src/magic_stubs.c FINAL RESULTS: data/ocaml-magic-0.7.3/src/magic_stubs.c:37:3: [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, "DEBUG magic_stub: " __VA_ARGS__); \ data/ocaml-magic-0.7.3/src/magic_stubs.c:78:5: [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(errmsg, fname); data/ocaml-magic-0.7.3/src/magic_stubs.c:79:5: [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(errmsg + flen, err_magic); data/ocaml-magic-0.7.3/src/magic_stubs.c:90:5: [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(errmsg, fname); data/ocaml-magic-0.7.3/src/magic_stubs.c:99:7: [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(errmsg, fname); data/ocaml-magic-0.7.3/src/magic_stubs.c:173:7: [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(errmsg, "Magic.create: "); /* 14 chars */ data/ocaml-magic-0.7.3/src/magic_stubs.c:180:9: [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(errmsg, "Magic.create: "); data/ocaml-magic-0.7.3/src/magic_stubs.c:69:20: [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 int flen = strlen(fname); data/ocaml-magic-0.7.3/src/magic_stubs.c:75:33: [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 ((errmsg = malloc(flen + strlen(err_magic) + 1)) == NULL) data/ocaml-magic-0.7.3/src/magic_stubs.c:102:5: [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(errmsg, strerror(err), len - flen - 1); data/ocaml-magic-0.7.3/src/magic_stubs.c:183:7: [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. strncat(errmsg, strerror(err), len - 15); ANALYSIS SUMMARY: Hits = 11 Lines analyzed = 310 in approximately 0.02 seconds (14249 lines/second) Physical Source Lines of Code (SLOC) = 219 Hits@level = [0] 1 [1] 4 [2] 2 [3] 0 [4] 5 [5] 0 Hits@level+ = [0+] 12 [1+] 11 [2+] 7 [3+] 5 [4+] 5 [5+] 0 Hits/KSLOC@level+ = [0+] 54.7945 [1+] 50.2283 [2+] 31.9635 [3+] 22.8311 [4+] 22.8311 [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.