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[SA38221] BS.Player BSI File Processing Buffer Overflow Vulnerability

From: Secunia Security Advisories (sec-advsecunia.com)
Date: Mon Jan 18 2010 - 16:57:10 CST

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Secunia integrated with Microsoft WSUS
http://secunia.com/blog/71/

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TITLE:
BS.Player BSI File Processing Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA38221

VERIFY ADVISORY:
http://secunia.com/advisories/38221/

DESCRIPTION:
A vulnerability has been discovered in BS.Player, which can be
exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error when processing
specially crafted BSI files. This can be exploited to cause a
stack-based buffer overflow by e.g. tricking a user into opening a
specially crafted BSI file containing an overly long "Skin" key in
the "Options" section.

The vulnerability is confirmed in version 2.51 build 1022 (Free
Edition). Other versions may also be affected.

SOLUTION:
Do not open untrusted BSI files.

PROVIDED AND/OR DISCOVERED BY:
Mert SARICA

ORIGINAL ADVISORY:
http://www.mertsarica.com/?p=511

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