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/librostlab-1.0.20/lib/rostlab/aux_functions.h Examining data/librostlab-1.0.20/lib/rostlab/blosum62.h Examining data/librostlab-1.0.20/lib/rostlab/cwd_resource.h Examining data/librostlab-1.0.20/lib/rostlab/cxxgrp.h Examining data/librostlab-1.0.20/lib/rostlab/cxxpwd.h Examining data/librostlab-1.0.20/lib/rostlab/euid_egid_resource.h Examining data/librostlab-1.0.20/lib/rostlab/file_lock_resource.h Examining data/librostlab-1.0.20/lib/rostlab/mapAA2int.h Examining data/librostlab-1.0.20/lib/rostlab/readFasta.h Examining data/librostlab-1.0.20/lib/rostlab/rostlab_stdexcept.h Examining data/librostlab-1.0.20/lib/rostlab/rostlab_stdio.h Examining data/librostlab-1.0.20/lib/rostlab/rostlab_stdlib.h Examining data/librostlab-1.0.20/lib/rostlab/umask_resource.h Examining data/librostlab-1.0.20/lib/blosum62.cpp Examining data/librostlab-1.0.20/debian/examples/blosum62_test.cpp FINAL RESULTS: data/librostlab-1.0.20/lib/rostlab/rostlab_stdlib.h:43:19: [4] (shell) system: This causes a new program to execute and is difficult to use safely (CWE-78). try using a library call that implements the same functionality if available. inline int system( const char* __path, ... ); data/librostlab-1.0.20/lib/rostlab/rostlab_stdlib.h:44:19: [4] (shell) system: This causes a new program to execute and is difficult to use safely (CWE-78). try using a library call that implements the same functionality if available. inline int system( const std::vector<std::string>& __args ); data/librostlab-1.0.20/lib/rostlab/rostlab_stdlib.h:76:19: [4] (shell) system: This causes a new program to execute and is difficult to use safely (CWE-78). try using a library call that implements the same functionality if available. inline int system( const char* __path, ... ) data/librostlab-1.0.20/lib/rostlab/rostlab_stdlib.h:91:10: [4] (shell) system: This causes a new program to execute and is difficult to use safely (CWE-78). try using a library call that implements the same functionality if available. return system( argvec ); data/librostlab-1.0.20/lib/rostlab/rostlab_stdlib.h:94:19: [4] (shell) system: This causes a new program to execute and is difficult to use safely (CWE-78). try using a library call that implements the same functionality if available. inline int system( const std::vector<std::string>& __args ) data/librostlab-1.0.20/lib/rostlab/rostlab_stdlib.h:104:9: [4] (shell) execvp: This causes a new program to execute and is difficult to use safely (CWE-78). try using a library call that implements the same functionality if available. if( execvp( argv[0], argv ) ) throw runtime_error( strerror( errno ) ); data/librostlab-1.0.20/lib/rostlab/blosum62.h:25:21: [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. extern const signed char blosum62[27][27]; data/librostlab-1.0.20/lib/rostlab/cxxpwd.h:68:3: [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 buf[buflen]; data/librostlab-1.0.20/lib/rostlab/cxxpwd.h:94:3: [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 buf[buflen]; data/librostlab-1.0.20/lib/rostlab/file_lock_resource.h:67:13: [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). _fh = fopen( _filename.c_str(), __mode.c_str() ); data/librostlab-1.0.20/lib/rostlab/rostlab_stdio.h:60:14: [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). uint16_t strlen; fread( strlen, __in); data/librostlab-1.0.20/lib/rostlab/rostlab_stdio.h:60:29: [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). uint16_t strlen; fread( strlen, __in); data/librostlab-1.0.20/lib/rostlab/rostlab_stdio.h:61:10: [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). if( !strlen ){ __v = string(); return; } data/librostlab-1.0.20/lib/rostlab/rostlab_stdio.h:63:60: [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). string::value_type buf[ sizeof( string::value_type ) * strlen ]; data/librostlab-1.0.20/lib/rostlab/rostlab_stdio.h:64:74: [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). size_t managed_to_read = ::fread( buf, sizeof( string::value_type ), strlen, __in ); data/librostlab-1.0.20/lib/rostlab/rostlab_stdio.h:65:28: [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( managed_to_read != strlen ) throw rostlab::runtime_error( strerror(errno) ); data/librostlab-1.0.20/lib/rostlab/umask_resource.h:36:68: [1] (access) umask: Ensure that umask is given most restrictive possible setting (e.g., 066 or 077) (CWE-732). umask_resource( mode_t __new_mode ) : _old_mode( umask( __new_mode ) ) {}; data/librostlab-1.0.20/lib/rostlab/umask_resource.h:37:38: [1] (access) umask: Ensure that umask is given most restrictive possible setting (e.g., 066 or 077) (CWE-732). virtual ~umask_resource(){ umask( _old_mode ); } ANALYSIS SUMMARY: Hits = 18 Lines analyzed = 1380 in approximately 0.10 seconds (13219 lines/second) Physical Source Lines of Code (SLOC) = 838 Hits@level = [0] 10 [1] 8 [2] 4 [3] 0 [4] 6 [5] 0 Hits@level+ = [0+] 28 [1+] 18 [2+] 10 [3+] 6 [4+] 6 [5+] 0 Hits/KSLOC@level+ = [0+] 33.4129 [1+] 21.4797 [2+] 11.9332 [3+] 7.1599 [4+] 7.1599 [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.