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/bmusb-0.7.5/bmusb.cpp Examining data/bmusb-0.7.5/bmusb/bmusb.h Examining data/bmusb-0.7.5/bmusb/fake_capture.h Examining data/bmusb-0.7.5/fake_capture.cpp Examining data/bmusb-0.7.5/format.cpp Examining data/bmusb-0.7.5/main.cpp Examining data/bmusb-0.7.5/v4l2proxy.cpp FINAL RESULTS: data/bmusb-0.7.5/bmusb.cpp:336:13: [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). FILE *fp = fopen(filename, "wb"); data/bmusb-0.7.5/bmusb.cpp:352:2: [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 thread_name[16]; data/bmusb-0.7.5/bmusb.cpp:403:4: [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 filename[255]; data/bmusb-0.7.5/bmusb.cpp:542:4: [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(current_frame->data_copy + current_frame->len, start, bytes); data/bmusb-0.7.5/bmusb.cpp:560:4: [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(current_frame->data + current_frame->len, start, bytes); data/bmusb-0.7.5/bmusb.cpp:754:3: [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(current_frame->data_copy + current_frame->len, aligned_start, bytes_copied); data/bmusb-0.7.5/bmusb.cpp:819:3: [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(current_frame->data_copy + current_frame->len, aligned_start, bytes_copied); data/bmusb-0.7.5/bmusb.cpp:916:3: [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(usb->register_file + usb->current_register, buf, 4); data/bmusb-0.7.5/bmusb.cpp:1013:2: [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 buf[256]; data/bmusb-0.7.5/bmusb.cpp:1311:3: [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(value, &flipped, sizeof(flipped)); data/bmusb-0.7.5/fake_capture.cpp:105:3: [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(s, c, 16); data/bmusb-0.7.5/fake_capture.cpp:115:2: [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 buf[256]; data/bmusb-0.7.5/fake_capture.cpp:168:2: [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 buf[256]; data/bmusb-0.7.5/fake_capture.cpp:242:2: [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 thread_name[16]; data/bmusb-0.7.5/format.cpp:4:2: [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 name[32]; data/bmusb-0.7.5/v4l2proxy.cpp:97:13: [2] (misc) open: 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). video_fd = open(filename, O_RDWR); ANALYSIS SUMMARY: Hits = 16 Lines analyzed = 2704 in approximately 0.19 seconds (14213 lines/second) Physical Source Lines of Code (SLOC) = 2046 Hits@level = [0] 121 [1] 0 [2] 16 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 137 [1+] 16 [2+] 16 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 66.9599 [1+] 7.82014 [2+] 7.82014 [3+] 0 [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.