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/hashcash-1.21/fastmint_ansi_standard_2.c
Examining data/hashcash-1.21/fastmint_altivec_compact_2.c
Examining data/hashcash-1.21/fastmint_mmx_compact_1.c
Examining data/hashcash-1.21/fastmint_library.c
Examining data/hashcash-1.21/types.h
Examining data/hashcash-1.21/getopt.c
Examining data/hashcash-1.21/libfastmint.c
Examining data/hashcash-1.21/lock.c
Examining data/hashcash-1.21/fastmint_ansi_compact_2.c
Examining data/hashcash-1.21/fastmint_altivec_standard_2.c
Examining data/hashcash-1.21/sha1.c
Examining data/hashcash-1.21/getopt.h
Examining data/hashcash-1.21/sstring.c
Examining data/hashcash-1.21/random.c
Examining data/hashcash-1.21/fastmint_ansi_ultracompact_1.c
Examining data/hashcash-1.21/hashcash.h
Examining data/hashcash-1.21/sdb.c
Examining data/hashcash-1.21/sstring.h
Examining data/hashcash-1.21/random.h
Examining data/hashcash-1.21/fastmint_mmx_standard_1.c
Examining data/hashcash-1.21/utct.c
Examining data/hashcash-1.21/fastmint_ansi_standard_1.c
Examining data/hashcash-1.21/lock.h
Examining data/hashcash-1.21/example.c
Examining data/hashcash-1.21/sha1test.c
Examining data/hashcash-1.21/sha1.h
Examining data/hashcash-1.21/libfastmint.h
Examining data/hashcash-1.21/sdb.h
Examining data/hashcash-1.21/contrib/hashfork.c
Examining data/hashcash-1.21/fastmint_ansi_compact_1.c
Examining data/hashcash-1.21/libsha1.c
Examining data/hashcash-1.21/libhc.c
Examining data/hashcash-1.21/utct.h
Examining data/hashcash-1.21/fastmint_altivec_standard_1.c
Examining data/hashcash-1.21/hashcash.c
FINAL RESULTS:
data/hashcash-1.21/contrib/hashfork.c:40:7: [4] (shell) execl:
This causes a new program to execute and is difficult to use safely
(CWE-78). try using a library call that implements the same functionality
if available.
execl ("/usr/bin/hashcash", "/usr/bin/hashcash", "-mb25", "foo", NULL);
data/hashcash-1.21/example.c:357:5: [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, str );
data/hashcash-1.21/hashcash.c:72:20: [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.
#define QPRINTF QQ fprintf
data/hashcash-1.21/hashcash.c:73:20: [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.
#define PPRINTF PP fprintf
data/hashcash-1.21/hashcash.c:74:20: [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.
#define VPRINTF VV fprintf
data/hashcash-1.21/libhc.c:202:5: [4] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf.
sprintf( token, "%d:%d:%s:%s:%s:",
data/hashcash-1.21/utct.c:15:9: [4] (format) snprintf:
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.
#define snprintf _snprintf
data/hashcash-1.21/utct.c:15:18: [4] (format) _snprintf:
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.
#define snprintf _snprintf
data/hashcash-1.21/utct.c:79:9: [4] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf.
sprintf( set_tz, "TZ=%s", tz );
data/hashcash-1.21/contrib/hashfork.c:44:7: [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 (time (NULL) + pid);
data/hashcash-1.21/example.c:57:18: [3] (buffer) getopt:
Some older implementations do not protect against internal buffer overflows
(CWE-120, CWE-20). Check implementation on installation, or limit the size
of all string inputs.
while ( (opt=getopt( argc, argv,
data/hashcash-1.21/getopt.c:173:14: [3] (buffer) getenv:
Environment variables are untrustable input if they can be set by an
attacker. They can have any content and length, and the same variable can
be set more than once (CWE-807, CWE-20). Check environment variables
carefully before using them.
extern char *getenv(const char *name);
data/hashcash-1.21/getopt.c:180:14: [3] (buffer) getenv:
Environment variables are untrustable input if they can be set by an
attacker. They can have any content and length, and the same variable can
be set more than once (CWE-807, CWE-20). Check environment variables
carefully before using them.
extern char *getenv ();
data/hashcash-1.21/getopt.c:362:16: [3] (buffer) getenv:
Environment variables are untrustable input if they can be set by an
attacker. They can have any content and length, and the same variable can
be set more than once (CWE-807, CWE-20). Check environment variables
carefully before using them.
else if (getenv ("POSIXLY_CORRECT") != NULL)
data/hashcash-1.21/getopt.c:661:1: [3] (buffer) getopt:
Some older implementations do not protect against internal buffer overflows
(CWE-120, CWE-20). Check implementation on installation, or limit the size
of all string inputs.
getopt (argc, argv, optstring)
data/hashcash-1.21/getopt.c:673:1: [3] (buffer) getopt_long:
Some older implementations do not protect against internal buffer overflows
(CWE-120, CWE-20). Check implementation on installation, or limit the size
of all string inputs.
getopt_long (argc, argv, options, long_options, opt_index)
data/hashcash-1.21/getopt.c:702:11: [3] (buffer) getopt:
Some older implementations do not protect against internal buffer overflows
(CWE-120, CWE-20). Check implementation on installation, or limit the size
of all string inputs.
c = getopt (argc, argv, "abc:d:0123456789");
data/hashcash-1.21/getopt.h:102:12: [3] (buffer) getopt:
Some older implementations do not protect against internal buffer overflows
(CWE-120, CWE-20). Check implementation on installation, or limit the size
of all string inputs.
extern int getopt (int argc, char *const *argv, const char *shortopts);
data/hashcash-1.21/getopt.h:104:12: [3] (buffer) getopt_long:
Some older implementations do not protect against internal buffer overflows
(CWE-120, CWE-20). Check implementation on installation, or limit the size
of all string inputs.
extern int getopt_long (int argc, char *const *argv, const char *shortopts,
data/hashcash-1.21/getopt.h:116:12: [3] (buffer) getopt:
Some older implementations do not protect against internal buffer overflows
(CWE-120, CWE-20). Check implementation on installation, or limit the size
of all string inputs.
extern int getopt ();
data/hashcash-1.21/getopt.h:117:12: [3] (buffer) getopt_long:
Some older implementations do not protect against internal buffer overflows
(CWE-120, CWE-20). Check implementation on installation, or limit the size
of all string inputs.
extern int getopt_long ();
data/hashcash-1.21/hashcash.c:226:18: [3] (buffer) getopt:
Some older implementations do not protect against internal buffer overflows
(CWE-120, CWE-20). Check implementation on installation, or limit the size
of all string inputs.
while ( (opt=getopt(argc, argv,
data/hashcash-1.21/random.c:145:14: [3] (misc) LoadLibrary:
Ensure that the full path to the library is specified, or current directory
may be used (CWE-829, CWE-20). Use registry entry or GetWindowsDirectory to
find library path, if you aren't already.
advapi = LoadLibrary(TEXT("ADVAPI32.DLL"));
data/hashcash-1.21/random.c:160:5: [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(clock());
data/hashcash-1.21/utct.c:71:16: [3] (buffer) getenv:
Environment variables are untrustable input if they can be set by an
attacker. They can have any content and length, and the same variable can
be set more than once (CWE-807, CWE-20). Check environment variables
carefully before using them.
char* tz = getenv( "TZ" );
data/hashcash-1.21/example.c:50:5: [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 token[MAX_TOK+1], token_utime[MAX_UTC+1], period[MAX_PERIOD+1];
data/hashcash-1.21/example.c:65:19: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
case 'b': bits = atoi( optarg+1 );
data/hashcash-1.21/example.c:94:13: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
core = atoi( optarg );
data/hashcash-1.21/example.c:135:19: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
time_width = atoi( optarg );
data/hashcash-1.21/example.c:140:23: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
case 'Z': compress = atoi( optarg ); break;
data/hashcash-1.21/example.c:227:2: [2] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf. Risk is low because the source has a constant maximum length.
sprintf( period, "%ld", (long)validity_period );
data/hashcash-1.21/example.c:300:5: [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 period_array[MAX_PERIOD+1];
data/hashcash-1.21/example.c:318:36: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
if ( period_len > 0 ) { res *= atoi( period ); }
data/hashcash-1.21/fastmint_altivec_compact_2.c:627:70: [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 long minter_altivec_compact_2(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS)
data/hashcash-1.21/fastmint_altivec_standard_1.c:88:71: [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 long minter_altivec_standard_1(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS)
data/hashcash-1.21/fastmint_altivec_standard_2.c:315:71: [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 long minter_altivec_standard_2(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS)
data/hashcash-1.21/fastmint_ansi_compact_1.c:44:67: [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 long minter_ansi_compact_1(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS)
data/hashcash-1.21/fastmint_ansi_compact_2.c:88:67: [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 long minter_ansi_compact_2(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS)
data/hashcash-1.21/fastmint_ansi_compact_2.c:107:2: [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 wordUpdate[80] = {0};
data/hashcash-1.21/fastmint_ansi_standard_1.c:48:68: [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 long minter_ansi_standard_1(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS)
data/hashcash-1.21/fastmint_ansi_standard_2.c:90:68: [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 long minter_ansi_standard_2(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS)
data/hashcash-1.21/fastmint_ansi_ultracompact_1.c:67:72: [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 long minter_ansi_ultracompact_1(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS)
data/hashcash-1.21/fastmint_ansi_ultracompact_1.c:82:2: [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 wordUpdate[80] = {0};
data/hashcash-1.21/fastmint_library.c:10:60: [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 long minter_library(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS)
data/hashcash-1.21/fastmint_library.c:21:11: [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 Xa[ SHA1_INPUT_BYTES*2 ]; /* worst case */
data/hashcash-1.21/fastmint_library.c:68:3: [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( H, IV, SHA1_DIGEST_BYTES );
data/hashcash-1.21/fastmint_mmx_compact_1.c:178:66: [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 long minter_mmx_compact_1(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS)
data/hashcash-1.21/fastmint_mmx_standard_1.c:287:67: [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 long minter_mmx_standard_1(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS)
data/hashcash-1.21/hashcash.c:161:5: [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 period[ MAX_PERIOD+1 ], utcttime[ MAX_UTC+1 ];
data/hashcash-1.21/hashcash.c:173:5: [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 header[ MAX_HDR+1 ] = { 0 };
data/hashcash-1.21/hashcash.c:174:5: [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 header2[ MAX_HDR+1 ] = { 0 };
data/hashcash-1.21/hashcash.c:177:5: [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 token[ MAX_TOK+1 ] = { 0 }, token_resource[ MAX_RES+1 ] = { 0 };
data/hashcash-1.21/hashcash.c:179:5: [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 line_arr[ MAX_LINE+1 ] = { 0 }, *line = line_arr;
data/hashcash-1.21/hashcash.c:181:5: [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 ahead[ MAX_LINE+1 ] = { 0 } , *ext = NULL, *junk = NULL;
data/hashcash-1.21/hashcash.c:191:5: [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 token_utime[ MAX_UTC+1 ] = { 0 } ; /* time token created */
data/hashcash-1.21/hashcash.c:241:10: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
bits = atoi( optarg+1 );
data/hashcash-1.21/hashcash.c:247:10: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
bits = atoi( optarg );
data/hashcash-1.21/hashcash.c:290:13: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
core = atoi( optarg );
data/hashcash-1.21/hashcash.c:380:19: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
time_width = atoi( optarg );
data/hashcash-1.21/hashcash.c:385:23: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
case 'Z': compress = atoi( optarg );
data/hashcash-1.21/hashcash.c:902:8: [2] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf. Risk is low because the source has a constant maximum length.
sprintf( period, "%ld", validity_period );
data/hashcash-1.21/hashcash.c:982:5: [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 period_array[MAX_PERIOD+1];
data/hashcash-1.21/hashcash.c:1000:36: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
if ( period_len > 0 ) { res *= atoi( period ); }
data/hashcash-1.21/hashcash.c:1067:5: [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 now_utime[ MAX_UTC+1 ];
data/hashcash-1.21/hashcash.c:1083:5: [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 token_utime[ MAX_UTC+1 ] = {0};
data/hashcash-1.21/hashcash.c:1084:5: [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 token_res[ MAX_RES+1 ] = {0}, lower_token_res[ MAX_RES+1 ] = {0};
data/hashcash-1.21/hashcash.c:1137:21: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
expiry_period = atoi( val );
data/hashcash-1.21/hashcash.c:1178:5: [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 purge_utime[ MAX_UTC+1 ] = {0}; /* time token created */
data/hashcash-1.21/hashcash.h:353:40: [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.
time_t hashcash_from_utctimestr( const char utct[MAX_UTC+1], int utc );
data/hashcash-1.21/hashcash.h:368:29: [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 hashcash_to_utctimestr( char utct[MAX_UTC+1], int len, time_t t );
data/hashcash-1.21/libfastmint.c:260:11: [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 block[SHA1_INPUT_BYTES] = {0};
data/hashcash-1.21/libfastmint.c:376:11: [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 block[SHA1_INPUT_BYTES+1] = {0};
data/hashcash-1.21/libfastmint.c:380:11: [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[SHA1_DIGEST_BYTES] = {0};
data/hashcash-1.21/libfastmint.c:547:11: [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[SHA1_DIGEST_BYTES] = {0};
data/hashcash-1.21/libfastmint.h:70:73: [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.
typedef unsigned long (* HC_Mint_Routine)(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS);
data/hashcash-1.21/libfastmint.h:146:74: [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 unsigned long minter_ansi_compact_1(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS);
data/hashcash-1.21/libfastmint.h:151:75: [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 unsigned long minter_ansi_standard_1(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS);
data/hashcash-1.21/libfastmint.h:157:79: [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 unsigned long minter_ansi_ultracompact_1(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS);
data/hashcash-1.21/libfastmint.h:162:74: [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 unsigned long minter_ansi_compact_2(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS);
data/hashcash-1.21/libfastmint.h:167:75: [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 unsigned long minter_ansi_standard_2(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS);
data/hashcash-1.21/libfastmint.h:172:78: [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 unsigned long minter_altivec_standard_1(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS);
data/hashcash-1.21/libfastmint.h:177:78: [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 unsigned long minter_altivec_standard_2(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS);
data/hashcash-1.21/libfastmint.h:182:77: [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 unsigned long minter_altivec_compact_2(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS);
data/hashcash-1.21/libfastmint.h:188:74: [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 unsigned long minter_mmx_standard_1(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS);
data/hashcash-1.21/libfastmint.h:195:73: [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 unsigned long minter_mmx_compact_1(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS);
data/hashcash-1.21/libfastmint.h:202:67: [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 unsigned long minter_library(int bits, int* best, unsigned char *block, const uInt32 IV[5], int tailIndex, unsigned long maxIter, MINTER_CALLBACK_ARGS);
data/hashcash-1.21/libhc.c:162:5: [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 now_utime[ MAX_UTC+1 ] = {0}; /* current time */
data/hashcash-1.21/libhc.c:229:5: [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 conts[2];
data/hashcash-1.21/libhc.c:314:5: [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 ver_arr[MAX_VER+1] = {0};
data/hashcash-1.21/libhc.c:315:5: [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 bits_arr[3+1] = {0};
data/hashcash-1.21/libhc.c:335:13: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
*vers = atoi( ver ); if ( *vers < 0 ) { return 0; }
data/hashcash-1.21/libhc.c:352:10: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
*bits = atoi( bits_str ); if ( *bits < 0 ) { return 0; }
data/hashcash-1.21/libhc.c:364:5: [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 ver[MAX_VER+1] = {0};
data/hashcash-1.21/libhc.c:378:12: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
vers = atoi( ver );
data/hashcash-1.21/libhc.c:483:9: [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.
static char re_err[ MAX_RE_ERR+1 ] = {0};
data/hashcash-1.21/libhc.c:548:5: [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 token_utime[ MAX_UTC+1 ] = {0};
data/hashcash-1.21/libhc.c:549:5: [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 token_res[ MAX_RES+1 ] = {0};
data/hashcash-1.21/libsha1.c:73:2: [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, data, SHA1_INPUT_BYTES );
data/hashcash-1.21/libsha1.c:141:5: [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( ctx->H, SHA1_IV, SHA1_DIGEST_BYTES );
data/hashcash-1.21/libsha1.c:151:5: [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( ctx->H, user_IV, SHA1_DIGEST_BYTES );
data/hashcash-1.21/libsha1.c:172:5: [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( W, M, SHA1_INPUT_BYTES );
data/hashcash-1.21/libsha1.c:305:5: [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( ctx->M + mlen, data, use );
data/hashcash-1.21/libsha1.c:314:2: [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( ctx->M, data, use );
data/hashcash-1.21/libsha1.c:357:5: [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( ctx->M + SHA1_INPUT_BYTES - BIT_COUNT_BYTES, &temp,
data/hashcash-1.21/libsha1.c:360:5: [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( ctx->M + SHA1_INPUT_BYTES - BIT_COUNT_BYTES, &(ctx->hbits),
data/hashcash-1.21/libsha1.c:365:5: [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( digest, ctx->H, SHA1_DIGEST_BYTES );
data/hashcash-1.21/random.c:21:26: [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).
int res = (urandom = fopen( URANDOM_FILE, "r" )) != NULL;
data/hashcash-1.21/random.c:189:2: [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( rndp, output, use );
data/hashcash-1.21/sdb.c:46:10: [2] (misc) open:
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).
fd = open( filename, O_RDWR | O_CREAT, S_IREAD | S_IWRITE );
data/hashcash-1.21/sdb.c:99:5: [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 line[MAX_LINE+1] = {0};
data/hashcash-1.21/sdb.c:149:5: [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 fkey[MAX_KEY+1] = {0};
data/hashcash-1.21/sdb.c:156:5: [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 fkey[MAX_KEY+1] = {0};
data/hashcash-1.21/sdb.c:171:5: [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 fkey[MAX_KEY+1] = {0};
data/hashcash-1.21/sdb.c:208:5: [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 fkey[MAX_KEY+1] = {0};
data/hashcash-1.21/sdb.c:209:5: [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 fval[MAX_VAL+1] = {0};
data/hashcash-1.21/sdb.h:28:5: [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 filename[PATH_MAX+1];
data/hashcash-1.21/sha1.c:20:9: [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).
file = fopen( filename, "rb" );
data/hashcash-1.21/sha1.c:43:12: [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.
static char hex[ SHA1_DIGEST_BYTES * 2 + 1 ] = {0};
data/hashcash-1.21/sha1.c:46:2: [2] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf. Risk is low because the source has a constant maximum length.
sprintf( hex + 2 * i, "%02x", md[ i ] );
data/hashcash-1.21/utct.c:20:5: [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 str[3] = {0};
data/hashcash-1.21/utct.c:23:12: [2] (integer) atoi:
Unless checked, the resulting number can exceed the expected range
(CWE-190). If source untrusted, check both minimum and maximum, even if the
input had no minus sign (large numbers can roll over into negative number;
consider saving to an unsigned value if that is intended).
return atoi( str );
data/hashcash-1.21/utct.c:49:12: [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.
static char str[MAX_DATE+1] = {0};
data/hashcash-1.21/utct.c:51:5: [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 date[MAX_DATE+1] = {0};
data/hashcash-1.21/utct.c:86:40: [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.
time_t hashcash_from_utctimestr( const char utct[MAX_UTC+1], int utc )
data/hashcash-1.21/utct.c:154:29: [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 hashcash_to_utctimestr( char utct[MAX_UTC+1], int len, time_t t )
data/hashcash-1.21/utct.c:159:5: [2] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf. Risk is low because the source has a constant maximum length.
sprintf( utct, "%02d", tms->tm_year % 100 );
data/hashcash-1.21/utct.c:161:5: [2] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf. Risk is low because the source has a constant maximum length.
sprintf( utct+2, "%02d", tms->tm_mon+1 );
data/hashcash-1.21/utct.c:163:5: [2] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf. Risk is low because the source has a constant maximum length.
sprintf( utct+4, "%02d", tms->tm_mday );
data/hashcash-1.21/utct.c:165:5: [2] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf. Risk is low because the source has a constant maximum length.
sprintf( utct+6, "%02d", tms->tm_hour );
data/hashcash-1.21/utct.c:167:5: [2] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf. Risk is low because the source has a constant maximum length.
sprintf( utct+8, "%02d", tms->tm_min );
data/hashcash-1.21/utct.c:169:5: [2] (buffer) sprintf:
Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or
vsnprintf. Risk is low because the source has a constant maximum length.
sprintf( utct+10, "%02d", tms->tm_sec );
data/hashcash-1.21/utct.h:42:40: [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.
time_t hashcash_from_utctimestr( const char utct[MAX_UTC+1], int utc );
data/hashcash-1.21/utct.h:45:29: [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 hashcash_to_utctimestr( char utct[MAX_UTC+1], int len, time_t t );
data/hashcash-1.21/example.c:304:18: [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).
period_len = strlen( aperiod );
data/hashcash-1.21/getopt.c:166:19: [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).
#define my_strlen strlen
data/hashcash-1.21/hashcash.c:599:12: [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).
hdr_len = strlen( header );
data/hashcash-1.21/hashcash.c:603:17: [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).
hdr2_len = strlen( header2 );
data/hashcash-1.21/hashcash.c:986:18: [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).
period_len = strlen( aperiod );
data/hashcash-1.21/hashcash.c:1118:3: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy( lower_token_res, token_res, MAX_RES );
data/hashcash-1.21/hashcash.c:1134:10: [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).
if ( strlen( val ) != strspn( val, "0123456789" ) ) {
data/hashcash-1.21/hashcash.c:1323:19: [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 tok_len = strlen(token);
data/hashcash-1.21/hashcash.c:1330:19: [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 tok_len = strlen(token);
data/hashcash-1.21/hashcash.c:1337:35: [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).
memmove( token, token+tok_begin, strlen(token+tok_begin)+1 );
data/hashcash-1.21/hashcash.c:1393:16: [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).
int slen = strlen( *s );
data/hashcash-1.21/hashcash.c:1394:16: [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).
int alen = strlen( append );
data/hashcash-1.21/libfastmint.c:285:4: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy((char*)block, test_string, SHA1_INPUT_BYTES);
data/hashcash-1.21/libfastmint.c:315:3: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy((char*)block, test_string, SHA1_INPUT_BYTES);
data/hashcash-1.21/libfastmint.c:413:3: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy((char*)block, test_string, SHA1_INPUT_BYTES);
data/hashcash-1.21/libfastmint.c:468:13: [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).
b = (b * strlen(p)) + (q - p);
data/hashcash-1.21/libfastmint.c:573:9: [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).
tail = strlen(token);
data/hashcash-1.21/libfastmint.c:577:2: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy((char*)buffer, token, buflen);
data/hashcash-1.21/libhc.c:49:16: [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).
ps1 = s1 + strlen(s1);
data/hashcash-1.21/libhc.c:73:28: [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 ( strncmp( pos, term, strlen( term ) ) != 0 ) {
data/hashcash-1.21/libhc.c:76:10: [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).
pos += strlen( term );
data/hashcash-1.21/libhc.c:84:10: [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).
pos += strlen( term );
data/hashcash-1.21/libhc.c:200:29: [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).
token = malloc( MAX_TOK+strlen(ext)+1 );
data/hashcash-1.21/libhc.c:225:21: [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 stamp_len = strlen( stamp ), i, fstep, step, tstep, lf_len;
data/hashcash-1.21/libhc.c:235:18: [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).
header_len = strlen( header );
data/hashcash-1.21/libhc.c:242:14: [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).
lf_len = strlen(lf);
data/hashcash-1.21/libhc.c:247:5: [1] (buffer) strncat:
Easily used incorrectly (e.g., incorrectly computing the correct maximum
size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf,
or automatically resizing strings.
strncat( resp, header, max_res );
data/hashcash-1.21/libhc.c:256:13: [1] (buffer) strncat:
Easily used incorrectly (e.g., incorrectly computing the correct maximum
size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf,
or automatically resizing strings.
if ( i ) { strncat( resp, conts, 1 ); resp++; }
data/hashcash-1.21/libhc.c:257:2: [1] (buffer) strncat:
Easily used incorrectly (e.g., incorrectly computing the correct maximum
size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf,
or automatically resizing strings.
strncat( resp, stamp, tstep );
data/hashcash-1.21/libhc.c:259:2: [1] (buffer) strncat:
Easily used incorrectly (e.g., incorrectly computing the correct maximum
size to add) [MS-banned] (CWE-120). Consider strcat_s, strlcat, snprintf,
or automatically resizing strings.
strncat( resp, lf, lf_len );
data/hashcash-1.21/libhc.c:387:31: [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).
SHA1_Update( &ctx, token, strlen( token ) );
data/hashcash-1.21/libhc.c:445:32: [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).
char* quoted_regexp = malloc( strlen( regexp ) * 2 + 3 );
data/hashcash-1.21/libhc.c:490:25: [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).
bre_len = re_len = strlen(regexp);
data/hashcash-1.21/sdb.c:52:5: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy( h->filename, filename, PATH_MAX ); h->filename[PATH_MAX] = '\0';
data/hashcash-1.21/sdb.c:72:10: [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).
if ( strlen( key ) > MAX_KEY ) { return 0; }
data/hashcash-1.21/sdb.c:73:10: [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).
if ( strlen( val ) > MAX_VAL ) { return 0; }
data/hashcash-1.21/sdb.c:108:16: [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).
line_len = strlen( line );
data/hashcash-1.21/sdb.c:120:5: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy( key, fkey, klen ); key[klen] = '\0';
data/hashcash-1.21/sdb.c:121:5: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy( val, fval, vlen ); val[vlen] = '\0';
data/hashcash-1.21/sdb.c:175:6: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
strncpy( key, fkey, klen ); key[klen] = '\0';
data/hashcash-1.21/sdb.c:234:5: [1] (buffer) fgetc:
Check buffer boundaries if used in a loop including recursive loops
(CWE-120, CWE-20).
fgetc( db->file ); /* try read to trigger EOF */
data/hashcash-1.21/sha1test.c:47:31: [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).
SHA1_Update( &ctx, test1, strlen( test1 ) );
data/hashcash-1.21/sha1test.c:66:31: [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).
SHA1_Update( &ctx, test2, strlen( test2 ) );
data/hashcash-1.21/sstring.c:27:13: [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).
*tok_len = strlen(*s);
data/hashcash-1.21/sstring.h:3:38: [1] (buffer) strncpy:
Easily used incorrectly; doesn't always \0-terminate or check for invalid
pointers [MS-banned] (CWE-120).
#define sstrncpy(d,s,l) ((d)[l]='\0',strncpy(d,s,l))
data/hashcash-1.21/utct.c:63:10: [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).
date[strlen(date)-1]='\0'; /* remove trailing \n */
data/hashcash-1.21/utct.c:78:26: [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).
set_tz = malloc( strlen( tz ) + 3 + 1 );
data/hashcash-1.21/utct.c:93:20: [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 utct_len = strlen( utct );
ANALYSIS SUMMARY:
Hits = 181
Lines analyzed = 11125 in approximately 0.42 seconds (26774 lines/second)
Physical Source Lines of Code (SLOC) = 8478
Hits@level = [0] 182 [1] 48 [2] 108 [3] 16 [4] 9 [5] 0
Hits@level+ = [0+] 363 [1+] 181 [2+] 133 [3+] 25 [4+] 9 [5+] 0
Hits/KSLOC@level+ = [0+] 42.8167 [1+] 21.3494 [2+] 15.6877 [3+] 2.94881 [4+] 1.06157 [5+] 0
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.