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/basez-1.6.2/basez.h Examining data/basez-1.6.2/basez.c Examining data/basez-1.6.2/base64.c Examining data/basez-1.6.2/base32.c Examining data/basez-1.6.2/base16.c FINAL RESULTS: data/basez-1.6.2/basez.c:294:15: [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). file_in = fopen(filename_in, o_m == encode && o_crlf == off ? "rb":"r"); data/basez-1.6.2/basez.c:312:16: [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). file_out = fopen(filename_out, o_m == decode && o_crlf == off ? "wb":"w"); data/basez-1.6.2/basez.c:397:12: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). wrap = atoi(arg); data/basez-1.6.2/basez.c:667:17: [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 unsigned char bof[BUFF]; data/basez-1.6.2/basez.c:669:17: [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 unsigned char bif[BUFF]; data/basez-1.6.2/basez.c:722:12: [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. unsigned char buffin[3]; data/basez-1.6.2/basez.c:724:12: [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. unsigned char buffout[4]; data/basez-1.6.2/basez.c:803:12: [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. unsigned char buffin[4]; data/basez-1.6.2/basez.c:804:12: [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. unsigned char buffout[3]; data/basez-1.6.2/basez.c:918:12: [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. unsigned char buffin[5]; data/basez-1.6.2/basez.c:919:12: [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. unsigned char buffout[8]; data/basez-1.6.2/basez.c:994:12: [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. unsigned char buffin[8]; data/basez-1.6.2/basez.c:995:12: [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. unsigned char buffout[5]; data/basez-1.6.2/basez.c:1107:12: [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. unsigned char buffout[2]; data/basez-1.6.2/basez.c:1155:12: [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. unsigned char buffin[2]; ANALYSIS SUMMARY: Hits = 15 Lines analyzed = 2057 in approximately 0.08 seconds (24590 lines/second) Physical Source Lines of Code (SLOC) = 1751 Hits@level = [0] 11 [1] 0 [2] 15 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 26 [1+] 15 [2+] 15 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 14.8487 [1+] 8.56653 [2+] 8.56653 [3+] 0 [4+] 0 [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.