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/python-acora-2.2/acora/_cacora.c Examining data/python-acora-2.2/acora/_acora.c Examining data/python-acora-2.2/acora/acora_defs.h FINAL RESULTS: data/python-acora-2.2/acora/_acora.c:794:5: [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(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c); data/python-acora-2.2/acora/_cacora.c:801:5: [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(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c); data/python-acora-2.2/acora/_acora.c:13776:18: [3] (random) setstate: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. if (!setstate) PyErr_Clear(); data/python-acora-2.2/acora/_acora.c:13777:18: [3] (random) setstate: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) { data/python-acora-2.2/acora/_acora.c:13777:58: [3] (random) setstate: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) { data/python-acora-2.2/acora/_acora.c:13798:16: [3] (random) setstate: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. Py_XDECREF(setstate); data/python-acora-2.2/acora/_cacora.c:17548:18: [3] (random) setstate: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. if (!setstate) PyErr_Clear(); data/python-acora-2.2/acora/_cacora.c:17549:18: [3] (random) setstate: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) { data/python-acora-2.2/acora/_cacora.c:17549:58: [3] (random) setstate: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) { data/python-acora-2.2/acora/_cacora.c:17570:16: [3] (random) setstate: This function is not sufficiently random for security-related functions such as key and nonce creation (CWE-327). Use a more secure technique for acquiring random values. Py_XDECREF(setstate); data/python-acora-2.2/acora/_acora.c:747:9: [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 ascii_chars[128]; data/python-acora-2.2/acora/_acora.c:11559:14: [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. static const char DIGIT_PAIRS_10[2*10*10+1] = { data/python-acora-2.2/acora/_acora.c:11571:14: [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. static const char DIGIT_PAIRS_8[2*8*8+1] = { data/python-acora-2.2/acora/_acora.c:11581:14: [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. static const char DIGITS_HEX[2*16+1] = { data/python-acora-2.2/acora/_acora.c:11673:5: [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 digits[sizeof(unsigned long)*3+2]; data/python-acora-2.2/acora/_acora.c:11774:13: [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((char *)result_udata + char_pos * result_ukind, udata, (size_t) (ulength * result_ukind)); data/python-acora-2.2/acora/_acora.c:13810:5: [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 warning[200]; data/python-acora-2.2/acora/_acora.c:14907:5: [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 ctversion[4], rtversion[4]; data/python-acora-2.2/acora/_acora.c:14911:9: [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 message[200]; data/python-acora-2.2/acora/_cacora.c:754:9: [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 ascii_chars[128]; data/python-acora-2.2/acora/_cacora.c:16396:14: [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. static const char DIGIT_PAIRS_10[2*10*10+1] = { data/python-acora-2.2/acora/_cacora.c:16408:14: [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. static const char DIGIT_PAIRS_8[2*8*8+1] = { data/python-acora-2.2/acora/_cacora.c:16418:14: [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. static const char DIGITS_HEX[2*16+1] = { data/python-acora-2.2/acora/_cacora.c:16510:5: [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 digits[sizeof(Py_ssize_t)*3+2]; data/python-acora-2.2/acora/_cacora.c:16611:13: [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((char *)result_udata + char_pos * result_ukind, udata, (size_t) (ulength * result_ukind)); data/python-acora-2.2/acora/_cacora.c:17582:5: [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 warning[200]; data/python-acora-2.2/acora/_cacora.c:20515:5: [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 ctversion[4], rtversion[4]; data/python-acora-2.2/acora/_cacora.c:20519:9: [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 message[200]; data/python-acora-2.2/acora/_acora.c:671:87: [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). #define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s)) data/python-acora-2.2/acora/_acora.c:792:52: [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). __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1); data/python-acora-2.2/acora/_acora.c:14992:65: [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). return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str)); data/python-acora-2.2/acora/_cacora.c:678:87: [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). #define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s)) data/python-acora-2.2/acora/_cacora.c:799:52: [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). __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1); data/python-acora-2.2/acora/_cacora.c:13272:28: [1] (buffer) read: Check buffer boundaries if used in a loop including recursive loops (CWE-120, CWE-20). __pyx_v_bytes_read = read(__pyx_v_c_file, __pyx_v_c_buffer, __pyx_v_buffer_size); data/python-acora-2.2/acora/_cacora.c:20617:65: [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). return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str)); ANALYSIS SUMMARY: Hits = 35 Lines analyzed = 36067 in approximately 0.91 seconds (39518 lines/second) Physical Source Lines of Code (SLOC) = 25089 Hits@level = [0] 0 [1] 7 [2] 18 [3] 8 [4] 2 [5] 0 Hits@level+ = [0+] 35 [1+] 35 [2+] 28 [3+] 10 [4+] 2 [5+] 0 Hits/KSLOC@level+ = [0+] 1.39503 [1+] 1.39503 [2+] 1.11603 [3+] 0.398581 [4+] 0.0797162 [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.