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/r-cran-pki-0.1-7/src/register.c Examining data/r-cran-pki-0.1-7/src/init.c Examining data/r-cran-pki-0.1-7/src/pki-x509.c Examining data/r-cran-pki-0.1-7/src/asn1.c Examining data/r-cran-pki-0.1-7/src/pki.h Examining data/r-cran-pki-0.1-7/src/tools.c FINAL RESULTS: data/r-cran-pki-0.1-7/src/asn1.c:60:3: [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(RAW(res), d + i, len); data/r-cran-pki-0.1-7/src/asn1.c:126:2: [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(d + i, RAW(sWhat), len); data/r-cran-pki-0.1-7/src/asn1.c:173:5: [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(RAW(res), RAW(tmp), LENGTH(res)); data/r-cran-pki-0.1-7/src/asn1.c:202:14: [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. unsigned char buf[9], *c = buf + 8; data/r-cran-pki-0.1-7/src/asn1.c:215:5: [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(RAW(res), c, LENGTH(res)); data/r-cran-pki-0.1-7/src/pki-x509.c:187:8: [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 char buf[8192]; data/r-cran-pki-0.1-7/src/pki-x509.c:189:8: [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 char cipher_name[32]; data/r-cran-pki-0.1-7/src/pki-x509.c:348:5: [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(RAW(res), buf, len); data/r-cran-pki-0.1-7/src/pki-x509.c:394:5: [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(RAW(res), buf, len); data/r-cran-pki-0.1-7/src/pki-x509.c:404:14: [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. unsigned char hash[32]; /* really, at most 20 bytes are needed */ data/r-cran-pki-0.1-7/src/pki-x509.c:436:5: [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(RAW(res), hash, len); data/r-cran-pki-0.1-7/src/pki-x509.c:480:5: [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(RAW(res), buf, siglen); data/r-cran-pki-0.1-7/src/pki-x509.c:667:5: [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(RAW(res), buf, sl); data/r-cran-pki-0.1-7/src/tools.c:4:8: [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 char stbuf[1024]; data/r-cran-pki-0.1-7/src/tools.c:31:6: [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 hv[3]; data/r-cran-pki-0.1-7/src/pki-x509.c:207:6: [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). if (strlen(cipher) > sizeof(cipher_name) - 1) data/r-cran-pki-0.1-7/src/pki-x509.c:248:19: [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). int iv_len = strlen(c_iv); data/r-cran-pki-0.1-7/src/pki-x509.c:261:16: [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). key_len = strlen(c_key); data/r-cran-pki-0.1-7/src/pki-x509.c:415:13: [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). what_len = strlen((const char*) what); data/r-cran-pki-0.1-7/src/tools.c:40:10: [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). sl = strlen(sep); ANALYSIS SUMMARY: Hits = 20 Lines analyzed = 1121 in approximately 0.06 seconds (19926 lines/second) Physical Source Lines of Code (SLOC) = 1028 Hits@level = [0] 0 [1] 5 [2] 15 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 20 [1+] 20 [2+] 15 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 19.4553 [1+] 19.4553 [2+] 14.5914 [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.