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McAfee VirusScan DUNZIP32.dll Buffer Overflow Vulnerability

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Release Date:  2006-03-30    Views:  18,073

Secunia Advisory SA19451

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been discovered in McAfee VirusScan, which potentially can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error in a 3rd-party compression library (DUNZIP32.dll) when processing virus definition files. This can be exploited to cause a buffer overflow via a specially crafted definition file.

The vulnerability is related to:
SA12869

Successful exploitation requires that the user is e.g. tricked into updating the virus definition file from a malicious site.

The vulnerability has been reported in McAfee VirusScan version 10.0.21 included with McAfee SecurityCenter Agent version 6.0.0.16. Prior versions may also be affected.


Solution:
Update to the fixed version of DUNZIP32.dll via online update.

Provided and/or discovered by:
Originally discovered by eEye Digital Security and NGSSoftware in RealPlayer and RealOne.

Reported in McAfee VirusScan by:
Juha-Matti Laurio

Original Advisory:
http://www.networksecurity.fi/advisories/mcafee-virusscan.html

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: McAfee VirusScan DUNZIP32.dll Buffer Overflow Vulnerability

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