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Code Issues Releases Wiki Activity

Increased the maximum size of edata2 in Kerberos 5 TGS-REP etype 23

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Michael Sprecher 2018-09-12 12:25:02 +02:00
parent c8dbcf9366
commit 1892b842d7
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GPG Key ID: BB773AC8D5836ABD
4 changed files with 6 additions and 5 deletions
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2
OpenCL/inc_types.cl
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@ -1292,7 +1292,7 @@ typedef struct krb5tgs
{ {
u32 account_info[512]; u32 account_info[512];
u32 checksum[4]; u32 checksum[4];
u32 edata2[2560]; u32 edata2[5120];
u32 edata2_len; u32 edata2_len;
} krb5tgs_t; } krb5tgs_t;

1
docs/changes.txt
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@ -19,6 +19,7 @@
- Removed duplicate words in the dictionary file example.dict - Removed duplicate words in the dictionary file example.dict
- Improved the speed of the outfile folder scan when using lots of hashes/salts - Improved the speed of the outfile folder scan when using lots of hashes/salts
- Added additional hybrid "passthrough" rules, to enable variable-length append/prepend attacks - Added additional hybrid "passthrough" rules, to enable variable-length append/prepend attacks
- Increased the maximum size of edata2 in Kerberos 5 TGS-REP etype 23
## ##
## Bugs ## Bugs

2
include/interface.h
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@ -280,7 +280,7 @@ typedef struct krb5tgs
{ {
u32 account_info[512]; u32 account_info[512];
u32 checksum[4]; u32 checksum[4];
u32 edata2[2560]; u32 edata2[5120];
u32 edata2_len; u32 edata2_len;
} krb5tgs_t; } krb5tgs_t;

6
src/interface.c
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@ -13961,7 +13961,7 @@ int krb5tgs_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UN
token.sep[3] = '$'; token.sep[3] = '$';
token.len_min[3] = 64; token.len_min[3] = 64;
token.len_max[3] = 20480; token.len_max[3] = 40960;
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX; | TOKEN_ATTR_VERIFY_HEX;
} }
@ -13977,7 +13977,7 @@ int krb5tgs_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UN
token.sep[2] = '$'; token.sep[2] = '$';
token.len_min[2] = 64; token.len_min[2] = 64;
token.len_max[2] = 20480; token.len_max[2] = 40960;
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX; | TOKEN_ATTR_VERIFY_HEX;
} }
@ -21039,7 +21039,7 @@ int ascii_digest (hashcat_ctx_t *hashcat_ctx, char *out_buf, const size_t out_le
krb5tgs_t *krb5tgs = &krb5tgss[digest_cur]; krb5tgs_t *krb5tgs = &krb5tgss[digest_cur];
char data[2560 * 4 * 2] = { 0 }; char data[5120 * 4 * 2] = { 0 };
for (u32 i = 0, j = 0; i < krb5tgs->edata2_len; i += 1, j += 2) for (u32 i = 0, j = 0; i < krb5tgs->edata2_len; i += 1, j += 2)
{ {