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/golang-github-mendersoftware-openssl-1.0.10/hostname.c Examining data/golang-github-mendersoftware-openssl-1.0.10/shim.c Examining data/golang-github-mendersoftware-openssl-1.0.10/shim.h Examining data/golang-github-mendersoftware-openssl-1.0.10/sni.c FINAL RESULTS: data/golang-github-mendersoftware-openssl-1.0.10/shim.c:351:2: [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 pem_type_str[80]; data/golang-github-mendersoftware-openssl-1.0.10/shim.c:579:36: [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 (*cb)(SSL *s, unsigned char key_name[16], data/golang-github-mendersoftware-openssl-1.0.10/shim.c:580:28: [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 iv[EVP_MAX_IV_LENGTH], data/golang-github-mendersoftware-openssl-1.0.10/shim.c:585:46: [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 X_SSL_CTX_ticket_key_cb(SSL *s, unsigned char key_name[16], data/golang-github-mendersoftware-openssl-1.0.10/shim.c:586:12: [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 iv[EVP_MAX_IV_LENGTH], data/golang-github-mendersoftware-openssl-1.0.10/shim.h:88:36: [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 (*cb)(SSL *s, unsigned char key_name[16], data/golang-github-mendersoftware-openssl-1.0.10/shim.h:89:28: [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 iv[EVP_MAX_IV_LENGTH], data/golang-github-mendersoftware-openssl-1.0.10/shim.h:91:53: [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. extern int X_SSL_CTX_ticket_key_cb(SSL *s, unsigned char key_name[16], data/golang-github-mendersoftware-openssl-1.0.10/shim.h:92:18: [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 iv[EVP_MAX_IV_LENGTH], data/golang-github-mendersoftware-openssl-1.0.10/hostname.c:245:67: [1] (buffer) equal: Function does not check the second iterator for over-read conditions (CWE-126). This function is often discouraged by most C++ coding standards in favor of its safer alternatives provided since C++14. Consider using a form of this function that checks the second iterator before potentially overflowing it. static int do_check_string(ASN1_STRING *a, int cmp_type, equal_fn equal, data/golang-github-mendersoftware-openssl-1.0.10/hostname.c:282:11: [1] (buffer) equal: Function does not check the second iterator for over-read conditions (CWE-126). This function is often discouraged by most C++ coding standards in favor of its safer alternatives provided since C++14. Consider using a form of this function that checks the second iterator before potentially overflowing it. equal_fn equal; data/golang-github-mendersoftware-openssl-1.0.10/hostname.c:306:12: [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). chklen = strlen((const char *)chk); data/golang-github-mendersoftware-openssl-1.0.10/hostname.c:325:40: [1] (buffer) equal: Function does not check the second iterator for over-read conditions (CWE-126). This function is often discouraged by most C++ coding standards in favor of its safer alternatives provided since C++14. Consider using a form of this function that checks the second iterator before potentially overflowing it. if (do_check_string(cstr, alt_type, equal, chk, chklen)) data/golang-github-mendersoftware-openssl-1.0.10/hostname.c:345:32: [1] (buffer) equal: Function does not check the second iterator for over-read conditions (CWE-126). This function is often discouraged by most C++ coding standards in favor of its safer alternatives provided since C++14. Consider using a form of this function that checks the second iterator before potentially overflowing it. if (do_check_string(str, -1, equal, chk, chklen)) data/golang-github-mendersoftware-openssl-1.0.10/shim.c:38:48: [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 go_write_bio_write(b, (char*)str, (int)strlen(str)); ANALYSIS SUMMARY: Hits = 15 Lines analyzed = 1370 in approximately 0.11 seconds (11949 lines/second) Physical Source Lines of Code (SLOC) = 982 Hits@level = [0] 0 [1] 6 [2] 9 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 15 [1+] 15 [2+] 9 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 15.2749 [1+] 15.2749 [2+] 9.16497 [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.