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Workaround for CID 1402437 (#1 of 1): Out-of-bounds write

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This commit is contained in:
jsteube 2017-02-14 13:28:25 +01:00
parent 1353a727b8
commit d48c1c6291
1 changed files with 4 additions and 6 deletions
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10
src/cpu_crc32.c
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@ -116,12 +116,10 @@ int cpu_crc32 (hashcat_ctx_t *hashcat_ctx, const char *filename, u8 keytab[64])
{ {
crc = crc32tab[(crc ^ buf[fpos]) & 0xff] ^ (crc >> 8); crc = crc32tab[(crc ^ buf[fpos]) & 0xff] ^ (crc >> 8);
keytab[kpos++] += (crc >> 24) & 0xff; keytab[kpos++] += (crc >> 24) & 0xff; if (kpos >= 64) kpos = 0;
keytab[kpos++] += (crc >> 16) & 0xff; keytab[kpos++] += (crc >> 16) & 0xff; if (kpos >= 64) kpos = 0;
keytab[kpos++] += (crc >> 8) & 0xff; keytab[kpos++] += (crc >> 8) & 0xff; if (kpos >= 64) kpos = 0;
keytab[kpos++] += (crc >> 0) & 0xff; keytab[kpos++] += (crc >> 0) & 0xff; if (kpos >= 64) kpos = 0;
if (kpos >= 64) kpos = 0;
} }
hcfree (buf); hcfree (buf);