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Fix buffer overflow in src/hashes.c

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This commit is contained in:
Jens Steube 2020-01-13 14:40:52 +01:00
parent adbba513f6
commit 84209dd2ff
1 changed files with 5 additions and 4 deletions
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9
src/hashes.c
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@ -330,22 +330,23 @@ void check_hash (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param, pl
// plain
u8 plain_buf[256+1];
u8 plain_buf[0x1000]; // while the password itself can have only length 256, the module could encode it with something like base64 which inflates the requires buffer size
memset (plain_buf, 0, sizeof (plain_buf));
u8 *plain_ptr = plain_buf;
int plain_len = 0;
build_plain (hashcat_ctx, device_param, plain, (u32 *)plain_buf, &plain_len);
build_plain (hashcat_ctx, device_param, plain, (u32 *) plain_buf, &plain_len);
if (module_ctx->module_build_plain_postprocess != MODULE_DEFAULT)
{
u8 temp_buf[256+1] = { 0 };
u8 temp_buf[0x1000];
memset (temp_buf, 0, sizeof (temp_buf));
const int temp_len = module_ctx->module_build_plain_postprocess (hashcat_ctx->hashconfig, hashcat_ctx->hashes, tmps, (u32 *)plain_buf, sizeof (plain_buf), plain_len, (u32 *)temp_buf, sizeof (temp_buf));
const int temp_len = module_ctx->module_build_plain_postprocess (hashcat_ctx->hashconfig, hashcat_ctx->hashes, tmps, (u32 *) plain_buf, sizeof (plain_buf), plain_len, (u32 *)temp_buf, sizeof (temp_buf));
if (temp_len < (int) sizeof (plain_buf))
{