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/ticker-1.12/ticker.c FINAL RESULTS: data/ticker-1.12/ticker.c:60:2: [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, arglist); data/ticker-1.12/ticker.c:163:4: [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(fgcolor,optarg); data/ticker-1.12/ticker.c:167:4: [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(bgcolor,optarg); data/ticker-1.12/ticker.c:190:3: [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(message,argv[optind]); data/ticker-1.12/ticker.c:143:5: [3] (buffer) getopt_long: 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. c=getopt_long(argc,argv,PARAM_SHORT,long_options,NULL); data/ticker-1.12/ticker.c:145:5: [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. c=getopt(argc,argv,PARAM_SHORT); data/ticker-1.12/ticker.c:156:10: [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). shmid=atoi(optarg); data/ticker-1.12/ticker.c:173:12: [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). refresh=atoi(optarg); data/ticker-1.12/ticker.c:176:13: [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). shm_size=atoi(optarg); data/ticker-1.12/ticker.c:162:19: [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). fgcolor=malloc(strlen(optarg)+1); data/ticker-1.12/ticker.c:166:19: [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). bgcolor=malloc(strlen(optarg)+1); data/ticker-1.12/ticker.c:189:18: [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). message=malloc(strlen(argv[optind])+1); data/ticker-1.12/ticker.c:206:4: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(message,shm_p,shm_size); data/ticker-1.12/ticker.c:266:6: [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). len=strlen(message); data/ticker-1.12/ticker.c:292:9: [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). len=strlen(message); data/ticker-1.12/ticker.c:307:5: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(newmessage,shm_p,shm_size); ANALYSIS SUMMARY: Hits = 16 Lines analyzed = 352 in approximately 0.02 seconds (15369 lines/second) Physical Source Lines of Code (SLOC) = 259 Hits@level = [0] 4 [1] 7 [2] 3 [3] 2 [4] 4 [5] 0 Hits@level+ = [0+] 20 [1+] 16 [2+] 9 [3+] 6 [4+] 4 [5+] 0 Hits/KSLOC@level+ = [0+] 77.2201 [1+] 61.7761 [2+] 34.749 [3+] 23.166 [4+] 15.444 [5+] 0 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.