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/gr-fcdproplus-3.8~20190817/include/fcdproplus/api.h Examining data/gr-fcdproplus-3.8~20190817/include/fcdproplus/fcd.h Examining data/gr-fcdproplus-3.8~20190817/include/fcdproplus/fcd_control.h Examining data/gr-fcdproplus-3.8~20190817/include/fcdproplus/fcdpp_control.h Examining data/gr-fcdproplus-3.8~20190817/include/fcdproplus/fcdproplus.h Examining data/gr-fcdproplus-3.8~20190817/lib/fcd_control_impl.cc Examining data/gr-fcdproplus-3.8~20190817/lib/fcd_control_impl.h Examining data/gr-fcdproplus-3.8~20190817/lib/fcd_impl.cc Examining data/gr-fcdproplus-3.8~20190817/lib/fcd_impl.h Examining data/gr-fcdproplus-3.8~20190817/lib/fcdcmd.h Examining data/gr-fcdproplus-3.8~20190817/lib/fcdpp_control_impl.cc Examining data/gr-fcdproplus-3.8~20190817/lib/fcdpp_control_impl.h Examining data/gr-fcdproplus-3.8~20190817/lib/fcdproplus_impl.cc Examining data/gr-fcdproplus-3.8~20190817/lib/fcdproplus_impl.h Examining data/gr-fcdproplus-3.8~20190817/lib/hid/hidapi.h Examining data/gr-fcdproplus-3.8~20190817/lib/hid/hidmac.c Examining data/gr-fcdproplus-3.8~20190817/lib/hid/hid.c Examining data/gr-fcdproplus-3.8~20190817/lib/qa_fcdproplus.cc Examining data/gr-fcdproplus-3.8~20190817/lib/qa_fcdproplus.h Examining data/gr-fcdproplus-3.8~20190817/lib/test_fcdproplus.cc FINAL RESULTS: data/gr-fcdproplus-3.8~20190817/lib/hid/hid.c:57:18: [4] (format) fprintf: If format strings can be influenced by an attacker, they can be exploited (CWE-134). Use a constant for the format specification. #define LOG(...) fprintf(stderr, __VA_ARGS__) data/gr-fcdproplus-3.8~20190817/lib/hid/hidmac.c:328:2: [4] (buffer) wcscpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using a function version that stops copying at the end of the buffer. wcscpy(ret, s); data/gr-fcdproplus-3.8~20190817/lib/fcd_control_impl.cc:227:18: [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 auc[4]; data/gr-fcdproplus-3.8~20190817/lib/fcd_control_impl.cc:259:18: [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 auc[4]; data/gr-fcdproplus-3.8~20190817/lib/fcd_control_impl.h:52:16: [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 aucBuf[65]; /*!< Buffers to read/write control messages to the dongle */ data/gr-fcdproplus-3.8~20190817/lib/fcdpp_control_impl.h:40:16: [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 aucBuf[65]; /*!< Buffers to read/write control messages to the dongle */ data/gr-fcdproplus-3.8~20190817/lib/hid/hid.c:326:2: [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[512]; data/gr-fcdproplus-3.8~20190817/lib/hid/hid.c:329:2: [2] (buffer) wchar_t: 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. wchar_t wbuf[256]; data/gr-fcdproplus-3.8~20190817/lib/hid/hid.c:396:2: [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 str[64]; data/gr-fcdproplus-3.8~20190817/lib/hid/hid.c:526:18: [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 data[256]; data/gr-fcdproplus-3.8~20190817/lib/hid/hid.c:654:3: [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(rpt->data, transfer->buffer, transfer->actual_length); data/gr-fcdproplus-3.8~20190817/lib/hid/hid.c:975:3: [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(data, rpt->data, len); data/gr-fcdproplus-3.8~20190817/lib/hid/hid.c:1365:2: [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 search_string[64]; data/gr-fcdproplus-3.8~20190817/lib/hid/hidmac.c:338:2: [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 transport[32]; data/gr-fcdproplus-3.8~20190817/lib/hid/hidmac.c:436:3: [2] (buffer) wchar_t: 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. wchar_t buf[BUF_LEN]; data/gr-fcdproplus-3.8~20190817/lib/hid/hidmac.c:437:3: [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 cbuf[BUF_LEN]; data/gr-fcdproplus-3.8~20190817/lib/hid/hidmac.c:574:2: [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(rpt->data, report, report_length); data/gr-fcdproplus-3.8~20190817/lib/hid/hidmac.c:705:3: [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 cbuf[BUF_LEN]; data/gr-fcdproplus-3.8~20190817/lib/hid/hidmac.c:714:5: [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 str[32]; data/gr-fcdproplus-3.8~20190817/lib/hid/hidmac.c:727:5: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(str, "HIDAPI_%p", os_dev); data/gr-fcdproplus-3.8~20190817/lib/hid/hidmac.c:809:2: [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(data, rpt->data, len); data/gr-fcdproplus-3.8~20190817/lib/hid/hidmac.c:1096:3: [2] (buffer) wchar_t: 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. wchar_t serial[256], buf[256]; data/gr-fcdproplus-3.8~20190817/lib/hid/hidmac.c:1097:3: [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 cbuf[256]; data/gr-fcdproplus-3.8~20190817/lib/hid/hid.c:1202:3: [1] (buffer) wcsncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). wcsncpy(string, str, maxlen); data/gr-fcdproplus-3.8~20190817/lib/hid/hid.c:1375:2: [1] (buffer) strncpy: Easily used incorrectly; doesn't always \0-terminate or check for invalid pointers [MS-banned] (CWE-120). strncpy(search_string, locale, sizeof(search_string)); data/gr-fcdproplus-3.8~20190817/lib/hid/hidmac.c:326:15: [1] (buffer) wcslen: 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). size_t len = wcslen(s); ANALYSIS SUMMARY: Hits = 26 Lines analyzed = 4763 in approximately 0.16 seconds (29422 lines/second) Physical Source Lines of Code (SLOC) = 2809 Hits@level = [0] 8 [1] 3 [2] 21 [3] 0 [4] 2 [5] 0 Hits@level+ = [0+] 34 [1+] 26 [2+] 23 [3+] 2 [4+] 2 [5+] 0 Hits/KSLOC@level+ = [0+] 12.104 [1+] 9.25596 [2+] 8.18797 [3+] 0.711997 [4+] 0.711997 [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.