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/cxxopts-2.2.1/include/cxxopts.hpp Examining data/cxxopts-2.2.1/src/example.cpp Examining data/cxxopts-2.2.1/test/catch.hpp Examining data/cxxopts-2.2.1/test/link_a.cpp Examining data/cxxopts-2.2.1/test/link_b.cpp Examining data/cxxopts-2.2.1/test/main.cpp Examining data/cxxopts-2.2.1/test/options.cpp FINAL RESULTS: data/cxxopts-2.2.1/test/options.cpp:20:7: [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(ptr.get(), *iter); data/cxxopts-2.2.1/test/catch.hpp:7824:18: [3] (random) srand: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. std::srand( config.rngSeed() ); data/cxxopts-2.2.1/test/catch.hpp:1601:23: [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. struct TrueType { char sizer[1]; }; data/cxxopts-2.2.1/test/catch.hpp:1602:24: [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. struct FalseType { char sizer[2]; }; data/cxxopts-2.2.1/test/catch.hpp:2777:9: [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 storage[sizeof(T)]; data/cxxopts-2.2.1/test/catch.hpp:5624:14: [2] (misc) open: 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). void open() { data/cxxopts-2.2.1/test/catch.hpp:5701:26: [2] (misc) open: 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). section->open(); data/cxxopts-2.2.1/test/catch.hpp:5734:26: [2] (misc) open: 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). tracker->open(); data/cxxopts-2.2.1/test/catch.hpp:6799:9: [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 data[bufferSize]; data/cxxopts-2.2.1/test/catch.hpp:6836:15: [2] (misc) open: 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). m_ofs.open( filename.c_str() ); data/cxxopts-2.2.1/test/catch.hpp:7992:21: [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 asChar[sizeof (int)]; data/cxxopts-2.2.1/test/catch.hpp:8751:16: [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 char line[CATCH_CONFIG_CONSOLE_WIDTH] = {0}; data/cxxopts-2.2.1/test/options.cpp:17:18: [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). auto len = strlen(*iter) + 1; ANALYSIS SUMMARY: Hits = 13 Lines analyzed = 13438 in approximately 0.29 seconds (46545 lines/second) Physical Source Lines of Code (SLOC) = 10672 Hits@level = [0] 0 [1] 1 [2] 10 [3] 1 [4] 1 [5] 0 Hits@level+ = [0+] 13 [1+] 13 [2+] 12 [3+] 2 [4+] 1 [5+] 0 Hits/KSLOC@level+ = [0+] 1.21814 [1+] 1.21814 [2+] 1.12444 [3+] 0.187406 [4+] 0.0937031 [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.