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/haskell-hmatrix-0.20.0.0/src/Internal/C/lapack-aux.c
Examining data/haskell-hmatrix-0.20.0.0/src/Internal/C/lapack-aux.h
Examining data/haskell-hmatrix-0.20.0.0/src/Internal/C/vector-aux.c
FINAL RESULTS:
data/haskell-hmatrix-0.20.0.0/src/Internal/C/lapack-aux.c:86:9: [4] (format) printf:
If format strings can be influenced by an attacker, they can be exploited
(CWE-134). Use a constant for the format specification.
printf(msg); \
data/haskell-hmatrix-0.20.0.0/src/Internal/C/lapack-aux.c:98:9: [4] (format) printf:
If format strings can be influenced by an attacker, they can be exploited
(CWE-134). Use a constant for the format specification.
printf(msg); \
data/haskell-hmatrix-0.20.0.0/src/Internal/C/lapack-aux.c:1776:13: [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.
fprintf(fp,format,AT(a,r,c));
data/haskell-hmatrix-0.20.0.0/src/Internal/C/vector-aux.c:956:16: [3] (random) random:
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.
state[0] = random();
data/haskell-hmatrix-0.20.0.0/src/Internal/C/vector-aux.c:957:16: [3] (random) random:
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.
state[1] = random();
data/haskell-hmatrix-0.20.0.0/src/Internal/C/vector-aux.c:958:16: [3] (random) random:
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.
state[2] = random();
data/haskell-hmatrix-0.20.0.0/src/Internal/C/vector-aux.c:961:20: [3] (random) nrand48:
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.
return (double)nrand48(state) / (double)max_random;
data/haskell-hmatrix-0.20.0.0/src/Internal/C/vector-aux.c:1012:5: [3] (random) srand:
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.
srand(seed);
data/haskell-hmatrix-0.20.0.0/src/Internal/C/vector-aux.c:1039:5: [3] (random) srandom:
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.
srandom(seed);
data/haskell-hmatrix-0.20.0.0/src/Internal/C/lapack-aux.c:64:21: [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 unsigned char buf[108];
data/haskell-hmatrix-0.20.0.0/src/Internal/C/lapack-aux.c:1772:10: [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).
fp = fopen (file, "w");
data/haskell-hmatrix-0.20.0.0/src/Internal/C/vector-aux.c:906:10: [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).
fp = fopen (file, "r");
data/haskell-hmatrix-0.20.0.0/src/Internal/C/vector-aux.c:1101:5: [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 random_state[128];
data/haskell-hmatrix-0.20.0.0/src/Internal/C/vector-aux.c:1141:5: [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(rp,vp,vn*sizeof(double));
data/haskell-hmatrix-0.20.0.0/src/Internal/C/vector-aux.c:1152:5: [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(rp,vp,vn*sizeof(float));
data/haskell-hmatrix-0.20.0.0/src/Internal/C/vector-aux.c:1163:5: [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(rp,vp,vn*sizeof(int));
data/haskell-hmatrix-0.20.0.0/src/Internal/C/vector-aux.c:1174:5: [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(rp,vp,vn*sizeof(int64_t));
ANALYSIS SUMMARY:
Hits = 17
Lines analyzed = 3484 in approximately 0.29 seconds (12043 lines/second)
Physical Source Lines of Code (SLOC) = 2890
Hits@level = [0] 11 [1] 0 [2] 8 [3] 6 [4] 3 [5] 0
Hits@level+ = [0+] 28 [1+] 17 [2+] 17 [3+] 9 [4+] 3 [5+] 0
Hits/KSLOC@level+ = [0+] 9.68858 [1+] 5.88235 [2+] 5.88235 [3+] 3.11419 [4+] 1.03806 [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.