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/schedtool-1.3.0/error.h Examining data/schedtool-1.3.0/schedtool.c Examining data/schedtool-1.3.0/util.h Examining data/schedtool-1.3.0/syscall_magic.h Examining data/schedtool-1.3.0/error.c FINAL RESULTS: data/schedtool-1.3.0/error.c:39:2: [4] (format) vprintf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. vprintf(fmt, args); data/schedtool-1.3.0/schedtool.c:405:8: [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. ret=execvp(*new_argv, new_argv); data/schedtool-1.3.0/schedtool.c:161:11: [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((c=getopt(ac, dc, "+NFRBID012345M:a:p:n:ervh")) != -1) { data/schedtool-1.3.0/schedtool.c:90:32: [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. #define CPUSET_HEXSTRING(name) char name[CPU_SETSIZE / 2] data/schedtool-1.3.0/schedtool.c:196:11: [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). policy=atoi(optarg); data/schedtool-1.3.0/schedtool.c:205:9: [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). nice=atoi(optarg); data/schedtool-1.3.0/schedtool.c:211:9: [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). prio=atoi(optarg); data/schedtool-1.3.0/schedtool.c:354:7: [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). pid=atoi(e->args[i]); data/schedtool-1.3.0/schedtool.c:561:13: [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). tmp_cpu=atoi(tmp_arg); data/schedtool-1.3.0/schedtool.c:508:12: [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). int len = strlen(str); ANALYSIS SUMMARY: Hits = 10 Lines analyzed = 880 in approximately 0.03 seconds (27942 lines/second) Physical Source Lines of Code (SLOC) = 523 Hits@level = [0] 15 [1] 1 [2] 6 [3] 1 [4] 2 [5] 0 Hits@level+ = [0+] 25 [1+] 10 [2+] 9 [3+] 3 [4+] 2 [5+] 0 Hits/KSLOC@level+ = [0+] 47.8011 [1+] 19.1205 [2+] 17.2084 [3+] 5.73614 [4+] 3.82409 [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.