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Code Issues Releases Wiki Activity

Fixed multiple buffer overflow in DPAPI masterkey file v2 module

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This commit is contained in:
Gabriele Gristina 2021-07-31 14:38:14 +02:00
parent d85a9b6025
commit a847a4c84b
2 changed files with 3 additions and 4 deletions
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1
docs/changes.txt
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@ -14,6 +14,7 @@
- Fixed autotune unitialized tmps variable for slow hashes by calling _init kernel before calling _loop kernel
- Fixed datatype in function sha384_hmac_init_vector_128() that could come into effect if vector datatype was manually set
- Fixed false negative in all VeraCrypt hash-modes if both conditions are met: 1. use CPU for cracking and 2. PIM range was used
- Fixed multiple buffer overflow in DPAPI masterkey file v2 module
##
## Improvements

6
src/modules/module_15900.c
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@ -212,9 +212,7 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
dpapimk->context = hc_strtoul ((const char *) context_pos, NULL, 10);
// division by 4 should be fine because contents_len is either 208 or 288
for (u32 i = 0; i < dpapimk->contents_len / 4; i++)
for (u32 i = 0; i < dpapimk->contents_len / 8; i++)
{
dpapimk->contents[i] = hex_to_u32 ((const u8 *) &contents_pos[i * 8]);
@ -303,7 +301,7 @@ int module_hash_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
SID_tmp = (u8 *) hcmalloc ((SID_len + 1) * sizeof (u8));
for (u32 i = 0; i < (SID_len / 4) + 1; i++)
for (u32 i = 0; i < (SID_len / 4); i++)
{
u8 hex[8] = { 0 };