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/makedepf90-3.0.0/list.h Examining data/makedepf90-3.0.0/find_dep.h Examining data/makedepf90-3.0.0/modfile_name.c Examining data/makedepf90-3.0.0/macro.c Examining data/makedepf90-3.0.0/macro.h Examining data/makedepf90-3.0.0/utils.h Examining data/makedepf90-3.0.0/modfile_name.h Examining data/makedepf90-3.0.0/global.h Examining data/makedepf90-3.0.0/finddep.h Examining data/makedepf90-3.0.0/errormesg.h Examining data/makedepf90-3.0.0/config.h Examining data/makedepf90-3.0.0/main.c Examining data/makedepf90-3.0.0/strcasecmp.c Examining data/makedepf90-3.0.0/xmalloc.h Examining data/makedepf90-3.0.0/errormesg.c Examining data/makedepf90-3.0.0/list.c Examining data/makedepf90-3.0.0/xmalloc.c Examining data/makedepf90-3.0.0/utils.c FINAL RESULTS: data/makedepf90-3.0.0/global.h:41:51: [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: %s: ", __FUNCTION__); fprintf(stderr, fmt, ## args); data/makedepf90-3.0.0/utils.c:60:9: [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(rs, filename); data/makedepf90-3.0.0/utils.c:61:9: [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(rs, new_suffix); data/makedepf90-3.0.0/utils.c:66:9: [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(rs, new_suffix); data/makedepf90-3.0.0/utils.c:96:9: [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(rs, path); data/makedepf90-3.0.0/utils.c:97:9: [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(rs, filename); data/makedepf90-3.0.0/utils.c:100:9: [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(rs, path); data/makedepf90-3.0.0/utils.c:101:9: [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(rs, &filename[n+1]); data/makedepf90-3.0.0/utils.c:178:13: [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(fn, (char *)h->data); data/makedepf90-3.0.0/utils.c:180:13: [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(fn, fname); data/makedepf90-3.0.0/xmalloc.c:54:5: [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(new, str); data/makedepf90-3.0.0/main.c:310:13: [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 err_msg[32]; data/makedepf90-3.0.0/main.c:311:6: [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 _argv[3]; data/makedepf90-3.0.0/utils.c:174:10: [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(fname, "r"); data/makedepf90-3.0.0/utils.c:181:18: [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(fn, "r"); data/makedepf90-3.0.0/main.c:188:17: [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). if (strlen(argv[i]) == 2) { data/makedepf90-3.0.0/main.c:195:17: [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). if (strlen(argv[i]) == 2) { data/makedepf90-3.0.0/main.c:202:17: [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). if (strlen(argv[i]) == 2) { data/makedepf90-3.0.0/main.c:218:17: [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). if (strlen(argv[i]) == 2) { data/makedepf90-3.0.0/main.c:228:17: [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). if (strlen(argv[i]) == 2) { data/makedepf90-3.0.0/main.c:231:7: [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(argv[i+1]) > RULE_LENGTH) { data/makedepf90-3.0.0/main.c:243:17: [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). if (strlen(argv[i]) == 2) { data/makedepf90-3.0.0/main.c:255:17: [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). if (strlen(argv[i]) == 2) { data/makedepf90-3.0.0/main.c:262:17: [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). if (strlen(argv[i]) == 2) { data/makedepf90-3.0.0/main.c:280:17: [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). if (strlen(argv[i]) == 2) { data/makedepf90-3.0.0/main.c:313:6: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(_argv,argv[i],2); _argv[2]='\0'; data/makedepf90-3.0.0/main.c:316:17: [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). if (strlen(argv[i]) == 2) { data/makedepf90-3.0.0/main.c:325:17: [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). n = strlen(options.obj_dir); data/makedepf90-3.0.0/main.c:328:17: [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(options.obj_dir, "/"); data/makedepf90-3.0.0/main.c:340:17: [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). if (strlen(argv[i]) == 2) { data/makedepf90-3.0.0/main.c:349:17: [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). n = strlen(s); data/makedepf90-3.0.0/utils.c:51:10: [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). sl = strlen(new_suffix); data/makedepf90-3.0.0/utils.c:54:14: [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). fl = n = strlen(filename); data/makedepf90-3.0.0/utils.c:64:9: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(rs, filename, n); data/makedepf90-3.0.0/utils.c:83:10: [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). pl = strlen(path); data/makedepf90-3.0.0/utils.c:86:14: [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). fl = n = strlen(filename); data/makedepf90-3.0.0/utils.c:115:26: [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). d = (char *)xmalloc((strlen(s)+1)*sizeof(char)); data/makedepf90-3.0.0/utils.c:130:12: [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). rlen = strlen(r); data/makedepf90-3.0.0/utils.c:133:17: [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). for (slen = strlen(srcfile); slen > 0 && srcfile[slen] != '.'; slen--); data/makedepf90-3.0.0/utils.c:136:27: [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 (slen == 0) slen = strlen(srcfile); data/makedepf90-3.0.0/utils.c:177:26: [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). fn = xmalloc(strlen(h->data) + strlen(fname) + 2); data/makedepf90-3.0.0/utils.c:177:44: [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). fn = xmalloc(strlen(h->data) + strlen(fname) + 2); data/makedepf90-3.0.0/utils.c:179:13: [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(fn, "/"); data/makedepf90-3.0.0/xmalloc.c:53:30: [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). new = (char *) xmalloc ((strlen(str) + 1)*sizeof(char)); data/makedepf90-3.0.0/xmalloc.c:67:5: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy (new, str, maxl); ANALYSIS SUMMARY: Hits = 45 Lines analyzed = 1740 in approximately 0.07 seconds (24247 lines/second) Physical Source Lines of Code (SLOC) = 1016 Hits@level = [0] 25 [1] 30 [2] 4 [3] 0 [4] 11 [5] 0 Hits@level+ = [0+] 70 [1+] 45 [2+] 15 [3+] 11 [4+] 11 [5+] 0 Hits/KSLOC@level+ = [0+] 68.8976 [1+] 44.2913 [2+] 14.7638 [3+] 10.8268 [4+] 10.8268 [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.