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Code Issues Releases Wiki Activity

fixed checks in -m 500 parser

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philsmd 2016-03-13 15:57:53 +01:00
parent 57f1a73f0d
commit bc965c9c9b
2 changed files with 7 additions and 1 deletions
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4
docs/changes.txt
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@ -155,6 +155,10 @@ Type.: Bug
File.: Host File.: Host
Desc.: Fixed some checks in the parser of -m 111 = nsldaps, SSHA-1(Base64), Netscape LDAP SSHA Desc.: Fixed some checks in the parser of -m 111 = nsldaps, SSHA-1(Base64), Netscape LDAP SSHA
Type.: Bug
File.: Host
Desc.: Fixed some checks in the parser of -m 500 = md5crypt, MD5(Unix), FreeBSD MD5, Cisco-IOS MD5
* changes v2.00 -> v2.01: * changes v2.00 -> v2.01:
Type.: Bug Type.: Bug

4
src/shared.c
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@ -10272,6 +10272,8 @@ int phpass_parse_hash (char *input_buf, uint input_len, hash_t *hash_buf)
int md5crypt_parse_hash (char *input_buf, uint input_len, hash_t *hash_buf) int md5crypt_parse_hash (char *input_buf, uint input_len, hash_t *hash_buf)
{ {
if (input_len < DISPLAY_LEN_MIN_500) return (PARSER_GLOBAL_LENGTH);
if (memcmp (SIGNATURE_MD5CRYPT, input_buf, 3)) return (PARSER_SIGNATURE_UNMATCHED); if (memcmp (SIGNATURE_MD5CRYPT, input_buf, 3)) return (PARSER_SIGNATURE_UNMATCHED);
u32 *digest = (u32 *) hash_buf->digest; u32 *digest = (u32 *) hash_buf->digest;
@ -10304,7 +10306,7 @@ int md5crypt_parse_hash (char *input_buf, uint input_len, hash_t *hash_buf)
salt->salt_iter = ROUNDS_MD5CRYPT; salt->salt_iter = ROUNDS_MD5CRYPT;
} }
if ((input_len < DISPLAY_LEN_MIN_500) || (input_len > (DISPLAY_LEN_MAX_500 + iterations_len))) return (PARSER_GLOBAL_LENGTH); if (input_len > (DISPLAY_LEN_MAX_500 + iterations_len)) return (PARSER_GLOBAL_LENGTH);
char *hash_pos = strchr (salt_pos, '$'); char *hash_pos = strchr (salt_pos, '$');