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/libcompress-raw-bzip2-perl-2.096/ppport.h
Examining data/libcompress-raw-bzip2-perl-2.096/fallback/constants.h
Examining data/libcompress-raw-bzip2-perl-2.096/bzip2-src/blocksort.c
Examining data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib_private.h
Examining data/libcompress-raw-bzip2-perl-2.096/bzip2-src/crctable.c
Examining data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib.c
Examining data/libcompress-raw-bzip2-perl-2.096/bzip2-src/huffman.c
Examining data/libcompress-raw-bzip2-perl-2.096/bzip2-src/decompress.c
Examining data/libcompress-raw-bzip2-perl-2.096/bzip2-src/compress.c
Examining data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib.h
Examining data/libcompress-raw-bzip2-perl-2.096/bzip2-src/randtable.c
FINAL RESULTS:
data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib.c:1424:4: [4] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused).
strcat(mode2, writing ? "w" : "r" );
data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib_private.h:65:7: [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 ( stderr, \
data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib_private.h:74:4: [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(stderr,zf)
data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib_private.h:76:4: [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(stderr,zf,za1)
data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib_private.h:78:4: [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(stderr,zf,za1,za2)
data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib_private.h:80:4: [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(stderr,zf,za1,za2,za3)
data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib_private.h:82:4: [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(stderr,zf,za1,za2,za3,za4)
data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib_private.h:84:4: [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(stderr,zf,za1,za2,za3,za4,za5)
data/libcompress-raw-bzip2-perl-2.096/ppport.h:7044:14: [4] (format) vsnprintf:
If format strings can be influenced by an attacker, they can be exploited,
and note that sprintf variations do not always \0-terminate (CWE-134). Use
a constant for the format specification.
retval = vsnprintf(buffer, len, format, ap);
data/libcompress-raw-bzip2-perl-2.096/ppport.h:7046:14: [4] (format) vsprintf:
Potential format string problem (CWE-134). Make format string constant.
retval = vsprintf(buffer, format, ap);
data/libcompress-raw-bzip2-perl-2.096/ppport.h:7075:5: [4] (format) vsprintf:
Potential format string problem (CWE-134). Make format string constant.
vsprintf(buffer, pat, args);
data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib.c:1397:4: [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 unused[BZ_MAX_UNUSED];
data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib.c:1400:4: [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 mode2[10] = "";
data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib.c:1432:14: [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(path,mode2);
data/libcompress-raw-bzip2-perl-2.096/ppport.h:3991:42: [2] (buffer) memcpy:
Does not check for buffer overflows when copying to destination (CWE-120).
Make sure destination can always hold the source data.
# define CopyD(s,d,n,t) memcpy((char*)(d),(char*)(s), (n) * sizeof(t))
data/libcompress-raw-bzip2-perl-2.096/ppport.h:6899:38: [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.
&& (xdigit = strchr((char *) PL_hexdigit, s[1])))
data/libcompress-raw-bzip2-perl-2.096/ppport.h:7121:9: [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(dst + used, src, copy);
data/libcompress-raw-bzip2-perl-2.096/ppport.h:7150:9: [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(dst, src, copy);
data/libcompress-raw-bzip2-perl-2.096/ppport.h:7242:5: [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 octbuf[32] = "%123456789ABCDF";
data/libcompress-raw-bzip2-perl-2.096/ppport.h:7312:13: [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 tmp[2];
data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib.c:915:14: [1] (buffer) fgetc:
Check buffer boundaries if used in a loop including recursive loops
(CWE-120, CWE-20).
Int32 c = fgetc ( f );
data/libcompress-raw-bzip2-perl-2.096/bzip2-src/bzlib.c:1425:4: [1] (buffer) strcat:
Does not check for buffer overflows when concatenating to destination
[MS-banned] (CWE-120). Consider using strcat_s, strncat, strlcat, or
snprintf (warning: strncat is easily misused). Risk is low because the
source is a constant character.
strcat(mode2,"b"); /* binary mode */
data/libcompress-raw-bzip2-perl-2.096/ppport.h:5489:24: [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).
sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));
data/libcompress-raw-bzip2-perl-2.096/ppport.h:5497:59: [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 sv_vcatpvf(sv, pat, args) sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*))
data/libcompress-raw-bzip2-perl-2.096/ppport.h:5501:59: [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 sv_vsetpvf(sv, pat, args) sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*))
data/libcompress-raw-bzip2-perl-2.096/ppport.h:5521:24: [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).
sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
data/libcompress-raw-bzip2-perl-2.096/ppport.h:5549:24: [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).
sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
data/libcompress-raw-bzip2-perl-2.096/ppport.h:5570:27: [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).
sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); \
data/libcompress-raw-bzip2-perl-2.096/ppport.h:5592:24: [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).
sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
data/libcompress-raw-bzip2-perl-2.096/ppport.h:5620:24: [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).
sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
data/libcompress-raw-bzip2-perl-2.096/ppport.h:5641:27: [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).
sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*)); \
data/libcompress-raw-bzip2-perl-2.096/ppport.h:5695:65: [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).
# define HvNAMELEN_get(hv) (HvNAME_get(hv) ? (I32)strlen(HvNAME_get(hv)) : 0)
data/libcompress-raw-bzip2-perl-2.096/ppport.h:6493:22: [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).
STRLEN len = strlen(radix);
data/libcompress-raw-bzip2-perl-2.096/ppport.h:7077:12: [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).
return strlen(buffer);
data/libcompress-raw-bzip2-perl-2.096/ppport.h:7117:12: [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).
used = strlen(dst);
data/libcompress-raw-bzip2-perl-2.096/ppport.h:7118:14: [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).
length = strlen(src);
data/libcompress-raw-bzip2-perl-2.096/ppport.h:7147:14: [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).
length = strlen(src);
ANALYSIS SUMMARY:
Hits = 37
Lines analyzed = 12877 in approximately 0.34 seconds (38170 lines/second)
Physical Source Lines of Code (SLOC) = 6978
Hits@level = [0] 3 [1] 17 [2] 9 [3] 0 [4] 11 [5] 0
Hits@level+ = [0+] 40 [1+] 37 [2+] 20 [3+] 11 [4+] 11 [5+] 0
Hits/KSLOC@level+ = [0+] 5.7323 [1+] 5.30238 [2+] 2.86615 [3+] 1.57638 [4+] 1.57638 [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.