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Highly critical

Kaspersky Anti-Virus Engine CHM File Parsing Buffer Overflow

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Release Date:  2005-10-11    Last Update:  2005-12-07    Views:  14,759

Secunia Advisory SA17130

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been reported in Kaspersky Anti-Virus, which can be exploited by malicious people to cause a DoS (Denial of Service), or compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the scan engine when parsing a malformed CHM file. This can be exploited to cause a heap-based buffer overflow when a specially crafted CHM file is scanned. On Windows platforms, the anti-virus may fail to scan any other files after a malformed CHM file has been encountered.

The vulnerability has been reported in the following versions:
* Kaspersky Personal 5.0.227
* Kaspersky Anti-Virus On-Demand Scanner for Linux 5.0.5

Other products that use the Kaspersky Anti-Virus Engine may also be affected.


Solution:
The vulnerability has reportedly been fixed via a signature update after July 2005.

Provided and/or discovered by:
Discovered by anonymous person and reported via iDEFENSE.

Original Advisory:
iDEFENSE:
http://www.idefense.com/application/poi/display?id=318&type=vulnerabilities

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Kaspersky Anti-Virus Engine CHM File Parsing Buffer Overflow

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