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[SA38928] Windisc Banzhaf Processing Buffer Overflow Vulnerability

From: Secunia Security Advisories (sec-advsecunia.com)
Date: Wed Mar 17 2010 - 21:57:18 CDT


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TITLE:
Windisc Banzhaf Processing Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA38928

VERIFY ADVISORY:
http://secunia.com/advisories/38928/

DESCRIPTION:
Rick2600 has discovered a vulnerability in Windisc, which can be
exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error in the processing
of Banzhaf (".bnz") files. This can be exploited to cause a
stack-based buffer overflow by tricking a user into opening a
specially crafted ".bnz" file.

Successful exploitation allows execution of arbitrary code.

The vulnerability is confirmed in version 1.3. Other versions may
also be affected.

SOLUTION:
Do not open untrusted Banzhaf files.

PROVIDED AND/OR DISCOVERED BY:
Rick2600, Corelan

ORIGINAL ADVISORY:
http://www.corelan.be:8800/index.php/forum/security-advisories/corelan-10-013-windisc-buffer-overflow-bnz/

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