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/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sasl.c
Examining data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sasl_windows.c
Examining data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sasl_windows.h
Examining data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sspi_windows.c
Examining data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sspi_windows.h
Examining data/mongo-tools-3.4.14/vendor/src/github.com/golang/snappy/cmd/snappytool/main.cpp
Examining data/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/password.c
Examining data/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/sni.c
Examining data/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/system_certs.c
Examining data/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/shim.c
Examining data/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/shim.h
Examining data/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/hostname.c
Examining data/mongo-tools-3.4.14/vendor/src/golang.org/x/crypto/otr/libotr_test_helper.c
Examining data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sasl.c
Examining data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sasl_windows.c
Examining data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sasl_windows.h
Examining data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sspi_windows.c
Examining data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sspi_windows.h
FINAL RESULTS:
data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sasl.c:54:2: [4] (buffer) strcpy:
Does not check for buffer overflows when copying to destination [MS-banned]
(CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
easily misused).
strcpy((char *)secret->data, password);
data/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/password.c:8:5: [4] (buffer) strcpy:
Does not check for buffer overflows when copying to destination [MS-banned]
(CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
easily misused).
strcpy(buf,pw);
data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sasl.c:54:2: [4] (buffer) strcpy:
Does not check for buffer overflows when copying to destination [MS-banned]
(CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy
easily misused).
strcpy((char *)secret->data, password);
data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sspi_windows.c:17:21: [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.
sspi_secur32_dll = LoadLibrary("secur32.dll");
data/mongo-tools-3.4.14/vendor/src/golang.org/x/crypto/otr/libotr_test_helper.c:132:7: [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.
if (getenv("TMP")) {
data/mongo-tools-3.4.14/vendor/src/golang.org/x/crypto/otr/libotr_test_helper.c:133:14: [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.
tmpdir = getenv("TMP");
data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sspi_windows.c:17:21: [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.
sspi_secur32_dll = LoadLibrary("secur32.dll");
data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sasl_windows.c:62:2: [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(*buffer, out_bufs[0].pvBuffer, *buffer_length);
data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sasl_windows.c:83:2: [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(&msg[sizes.cbSecurityTrailer + 4], user_plus_realm, user_plus_realm_length);
data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sasl_windows.c:112:2: [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(*buffer, wrapBufs[0].pvBuffer, wrapBufs[0].cbBuffer);
data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sasl_windows.c:113:2: [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(*buffer + wrapBufs[0].cbBuffer, wrapBufs[1].pvBuffer, wrapBufs[1].cbBuffer);
data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sasl_windows.c:114:2: [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(*buffer + wrapBufs[0].cbBuffer + wrapBufs[1].cbBuffer, wrapBufs[2].pvBuffer, wrapBufs[2].cbBuffer);
data/mongo-tools-3.4.14/vendor/src/github.com/golang/snappy/cmd/snappytool/main.cpp:18:1: [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 dst[N];
data/mongo-tools-3.4.14/vendor/src/github.com/golang/snappy/cmd/snappytool/main.cpp:19:1: [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 src[N];
data/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/shim.c:468:36: [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/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/shim.c:469:28: [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/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/shim.c:474:46: [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/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/shim.c:475:12: [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/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/shim.h:76:36: [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/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/shim.h:77:28: [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/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/shim.h:79:53: [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/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/shim.h:80:18: [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/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/system_certs.c:71:13: [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 msg[msglen];
data/mongo-tools-3.4.14/vendor/src/golang.org/x/crypto/otr/libotr_test_helper.c:38:60: [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.
void new_fingerprint(void *opdata, OtrlUserState us, const char *accountname,
data/mongo-tools-3.4.14/vendor/src/golang.org/x/crypto/otr/libotr_test_helper.c:39:28: [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.
const char *protocol, const char *username,
data/mongo-tools-3.4.14/vendor/src/golang.org/x/crypto/otr/libotr_test_helper.c:39:50: [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.
const char *protocol, const char *username,
data/mongo-tools-3.4.14/vendor/src/golang.org/x/crypto/otr/libotr_test_helper.c:40:31: [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 fingerprint[20]) {
data/mongo-tools-3.4.14/vendor/src/golang.org/x/crypto/otr/libotr_test_helper.c:136:3: [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 private_key_file[256];
data/mongo-tools-3.4.14/vendor/src/golang.org/x/crypto/otr/libotr_test_helper.c:139:12: [2] (tmpfile) mkstemp:
Potential for temporary file vulnerability in some circumstances. Some
older Unix-like systems create temp files with permission to write by all
by default, so be sure to set the umask to override this. Also, some older
Unix systems might fail to use O_EXCL when opening the file, so make sure
that O_EXCL is used by the library (CWE-377).
int fd = mkstemp(private_key_file);
data/mongo-tools-3.4.14/vendor/src/golang.org/x/crypto/otr/libotr_test_helper.c:152:3: [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 buf[4096];
data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sasl_windows.c:66:2: [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(*out_buffer, out_bufs[0].pvBuffer, *out_buffer_length);
data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sasl_windows.c:87:2: [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(&msg[sizes.cbSecurityTrailer + 4], user_plus_realm, user_plus_realm_length);
data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sasl_windows.c:116:2: [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(*buffer, wrapBufs[0].pvBuffer, wrapBufs[0].cbBuffer);
data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sasl_windows.c:117:2: [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(*buffer + wrapBufs[0].cbBuffer, wrapBufs[1].pvBuffer, wrapBufs[1].cbBuffer);
data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sasl_windows.c:118:2: [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(*buffer + wrapBufs[0].cbBuffer + wrapBufs[1].cbBuffer, wrapBufs[2].pvBuffer, wrapBufs[2].cbBuffer);
data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sasl.c:27:20: [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).
*len = *result ? strlen(*result) : 0;
data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sasl.c:48:15: [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).
size_t len = strlen(password);
data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sasl_windows.c:12:29: [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).
auth_identity.UserLength = strlen(username);
data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sasl_windows.c:14:33: [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).
auth_identity.PasswordLength = strlen(password);
data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sasl_windows.c:16:31: [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).
auth_identity.DomainLength = strlen(domain);
data/mongo-tools-3.4.14/vendor/src/github.com/10gen/llmgo/internal/sasl/sasl_windows.c:76:34: [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).
size_t user_plus_realm_length = strlen(user_plus_realm);
data/mongo-tools-3.4.14/vendor/src/github.com/golang/snappy/cmd/snappytool/main.cpp:41:17: [1] (buffer) read:
Check buffer boundaries if used in a loop including recursive loops
(CWE-120, CWE-20).
ssize_t n = read(0, src+s, N-s);
data/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/hostname.c:244:67: [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/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/hostname.c:281:11: [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/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/hostname.c:305:12: [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/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/hostname.c:324:40: [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/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/hostname.c:344:32: [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/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/password.c:6:13: [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).
int l = strlen(pw);
data/mongo-tools-3.4.14/vendor/src/github.com/spacemonkeygo/openssl/shim.c:45:48: [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));
data/mongo-tools-3.4.14/vendor/src/golang.org/x/crypto/otr/libotr_test_helper.c:156:9: [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).
if (strlen(message) == 0) {
data/mongo-tools-3.4.14/vendor/src/golang.org/x/crypto/otr/libotr_test_helper.c:159:13: [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).
message[strlen(message) - 1] = 0;
data/mongo-tools-3.4.14/vendor/src/golang.org/x/crypto/otr/libotr_test_helper.c:185:28: [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).
write(1, newmessage, strlen(newmessage));
data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sasl.c:27:20: [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).
*len = *result ? strlen(*result) : 0;
data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sasl.c:48:15: [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).
size_t len = strlen(password);
data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sasl_windows.c:12:29: [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).
auth_identity.UserLength = strlen(username);
data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sasl_windows.c:17:34: [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).
auth_identity.PasswordLength = strlen(password);
data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sasl_windows.c:20:31: [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).
auth_identity.DomainLength = strlen(domain);
data/mongo-tools-3.4.14/vendor/src/gopkg.in/mgo.v2/internal/sasl/sasl_windows.c:80:34: [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).
size_t user_plus_realm_length = strlen(user_plus_realm);
ANALYSIS SUMMARY:
Hits = 58
Lines analyzed = 2443 in approximately 0.17 seconds (14695 lines/second)
Physical Source Lines of Code (SLOC) = 1861
Hits@level = [0] 27 [1] 23 [2] 28 [3] 4 [4] 3 [5] 0
Hits@level+ = [0+] 85 [1+] 58 [2+] 35 [3+] 7 [4+] 3 [5+] 0
Hits/KSLOC@level+ = [0+] 45.6744 [1+] 31.166 [2+] 18.8071 [3+] 3.76142 [4+] 1.61204 [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.