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/xdo-0.5.7/helpers.c Examining data/xdo-0.5.7/helpers.h Examining data/xdo-0.5.7/xdo.c Examining data/xdo-0.5.7/xdo.h FINAL RESULTS: data/xdo-0.5.7/helpers.c:10:2: [4] (format) vfprintf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. vfprintf(stderr, fmt, ap); data/xdo-0.5.7/helpers.c:19:2: [4] (format) vfprintf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. vfprintf(stderr, fmt, ap); data/xdo-0.5.7/xdo.c:71:16: [3] (buffer) getopt: Some older implementations do not protect against internal buffer overflows (CWE-120, CWE-20). Check implementation on installation, or limit the size of all string inputs. while ((opt = getopt(argc, argv, "rcCdDsmn:N:a:p:k:t:x:y:h:w:")) != -1) { data/xdo-0.5.7/xdo.c:98:15: [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). cfg.pid = atoi(optarg); data/xdo-0.5.7/xdo.c:104:20: [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). cfg.evt_code = atoi(optarg); data/xdo-0.5.7/xdo.c:153:2: [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 class[MAXLEN] = {0}; data/xdo-0.5.7/xdo.c:237:2: [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 c[MAXLEN] = {0}, i[MAXLEN] = {0}, n[MAXLEN] = {0}; data/xdo-0.5.7/xdo.c:417:16: [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). uint32_t v = atoi(cfg.v); \ data/xdo-0.5.7/xdo.c:505:15: [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). uint16_t x = atoi(cfg.x); data/xdo-0.5.7/xdo.c:506:15: [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). uint16_t y = atoi(cfg.y); data/xdo-0.5.7/xdo.c:322:3: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(class, icr.class_name, len); data/xdo-0.5.7/xdo.c:333:3: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(instance, icr.instance_name, len); data/xdo-0.5.7/xdo.c:344:3: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(wm_name, itr.name, MIN(len, itr.name_len)); ANALYSIS SUMMARY: Hits = 13 Lines analyzed = 619 in approximately 0.04 seconds (16477 lines/second) Physical Source Lines of Code (SLOC) = 554 Hits@level = [0] 4 [1] 3 [2] 7 [3] 1 [4] 2 [5] 0 Hits@level+ = [0+] 17 [1+] 13 [2+] 10 [3+] 3 [4+] 2 [5+] 0 Hits/KSLOC@level+ = [0+] 30.6859 [1+] 23.4657 [2+] 18.0505 [3+] 5.41516 [4+] 3.61011 [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.