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/wmcpuload-1.1.1/src/cpu_cygwin.c Examining data/wmcpuload-1.1.1/src/cpu_irix.c Examining data/wmcpuload-1.1.1/src/cpu_netbsd.c Examining data/wmcpuload-1.1.1/src/cpu_freebsd.c Examining data/wmcpuload-1.1.1/src/main.c Examining data/wmcpuload-1.1.1/src/cpu_bsdi.c Examining data/wmcpuload-1.1.1/src/cpu_openbsd.c Examining data/wmcpuload-1.1.1/src/cpu.h Examining data/wmcpuload-1.1.1/src/cpu_solaris.c Examining data/wmcpuload-1.1.1/src/cpu_darwin.c Examining data/wmcpuload-1.1.1/src/cpu_linux.c Examining data/wmcpuload-1.1.1/libdockapp/dockapp.c Examining data/wmcpuload-1.1.1/libdockapp/dockapp.h FINAL RESULTS: data/wmcpuload-1.1.1/src/cpu_linux.c:76:33: [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. unsigned long long user, nice, system, idle, iowait, irq, softirq; data/wmcpuload-1.1.1/src/cpu_linux.c:91:26: [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. &user, &nice, &system, &idle, &iowait, data/wmcpuload-1.1.1/src/cpu_linux.c:95:26: [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. &user, &nice, &system, &idle); data/wmcpuload-1.1.1/src/cpu_linux.c:104:4: [4] (buffer) fscanf: The scanf() family's %s operation, without a limit specification, permits buffer overflows (CWE-120, CWE-20). Specify a limit to %s, or use a different input function. fscanf(fp, "%s %llu %llu %llu %llu %llu %llu %llu", data/wmcpuload-1.1.1/src/cpu_linux.c:105:36: [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. cpu_name, &user, &nice, &system, &idle, &iowait, data/wmcpuload-1.1.1/src/cpu_linux.c:108:4: [4] (buffer) fscanf: The scanf() family's %s operation, without a limit specification, permits buffer overflows (CWE-120, CWE-20). Specify a limit to %s, or use a different input function. fscanf(fp, "%s %llu %llu %llu %llu", data/wmcpuload-1.1.1/src/cpu_linux.c:109:36: [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. cpu_name, &user, &nice, &system, data/wmcpuload-1.1.1/src/cpu_linux.c:121:16: [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. used = user + system; data/wmcpuload-1.1.1/src/cpu_cygwin.c:152:20: [3] (misc) LoadLibraryEx: Ensure that the full path to the library is specified, or current directory may be used (CWE-829, CWE-20). Use registry entry or GetWindowsDirectory to find library path, if you aren't already. if ((h_ntdll = LoadLibraryEx("NTDLL.DLL", NULL, 0)) == NULL) { data/wmcpuload-1.1.1/src/cpu_linux.c:59:13: [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). if (!(fp = fopen("/proc/stat", "r"))) { data/wmcpuload-1.1.1/src/cpu_linux.c:82:13: [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). if (!(fp = fopen("/proc/stat", "r"))) { data/wmcpuload-1.1.1/src/cpu_linux.c:97:3: [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 cpu_name[20]; data/wmcpuload-1.1.1/src/cpu_linux.c:49:14: [1] (buffer) fgetc: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). while ((c = fgetc(fp)) != '\n') ANALYSIS SUMMARY: Hits = 13 Lines analyzed = 1934 in approximately 0.08 seconds (24858 lines/second) Physical Source Lines of Code (SLOC) = 1359 Hits@level = [0] 48 [1] 1 [2] 3 [3] 1 [4] 8 [5] 0 Hits@level+ = [0+] 61 [1+] 13 [2+] 12 [3+] 9 [4+] 8 [5+] 0 Hits/KSLOC@level+ = [0+] 44.8859 [1+] 9.56586 [2+] 8.83002 [3+] 6.62252 [4+] 5.88668 [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.