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Want to write PoC's and Exploits?

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TITLE:
ncompress "decompress()" Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA21427

VERIFY ADVISORY:
http://secunia.com/advisories/21427/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
ncompress 4.x
http://secunia.com/product/5706/

DESCRIPTION:
Tavis Ormandy has reported a vulnerability in ncompress, which can be
exploited by malicious people to cause a DoS (Denial of Service) and
potentially compromise a user's system.

The vulnerability is caused due to a boundary error in the
"decompress()" function in compress42.c and can be exploited to cause
a buffer overflow when decompressing a specially crafted datastream.

Successful exploitation may allow execution of arbitrary code.

SOLUTION:
Do not decompress untrusted files.

PROVIDED AND/OR DISCOVERED BY:
Tavis Ormandy, Google Security Team.

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About:
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