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/te923con-0.6.1/te923com.h Examining data/te923con-0.6.1/te923usb.c Examining data/te923con-0.6.1/te923com.c Examining data/te923con-0.6.1/te923usb.h Examining data/te923con-0.6.1/te923con.h Examining data/te923con-0.6.1/te923con.c FINAL RESULTS: data/te923con-0.6.1/te923con.c:169:18: [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, "Ddhi:svb" ) ) != -1 ) { data/te923con-0.6.1/te923com.c:52:62: [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. int read_from_te923( usb_dev_handle *devh, int adr, unsigned char rbuf[BUFLEN] ) { data/te923con-0.6.1/te923com.c:77:7: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy( rbuf + count, buf + 1, bytes ); data/te923con-0.6.1/te923com.c:286:12: [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. unsigned char buf[BUFLEN]; data/te923con-0.6.1/te923com.c:287:12: [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. unsigned char databuf[BUFLEN]; data/te923con-0.6.1/te923com.c:329:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy( databuf, buf + 5, 11 ); data/te923con-0.6.1/te923com.c:335:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy( databuf + 11, buf + 1, 21 ); data/te923con-0.6.1/te923com.c:350:12: [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. unsigned char buf[BUFLEN]; data/te923con-0.6.1/te923com.c:372:12: [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. unsigned char buf[BUFLEN]; data/te923con-0.6.1/te923com.h:37:62: [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. int read_from_te923( usb_dev_handle *devh, int adr, unsigned char rbuf[BUFLEN] ); data/te923con-0.6.1/te923con.h:59:10: [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. signed char _t[6], _h[6]; data/te923con-0.6.1/te923usb.c:50:3: [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 driver_name[driver_name_len]; ANALYSIS SUMMARY: Hits = 12 Lines analyzed = 954 in approximately 0.05 seconds (21071 lines/second) Physical Source Lines of Code (SLOC) = 664 Hits@level = [0] 112 [1] 0 [2] 11 [3] 1 [4] 0 [5] 0 Hits@level+ = [0+] 124 [1+] 12 [2+] 12 [3+] 1 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 186.747 [1+] 18.0723 [2+] 18.0723 [3+] 1.50602 [4+] 0 [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.