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Secunia Advisory SA26137

McAfee VirusScan ZIP Decompression Vulnerability
Secunia Advisory SA26137
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Release Date 2007-07-25
Last Update 2007-07-26
   
Popularity 23,133 views
Comments 0 comments

Criticality level Moderately criticalModerately critical
Impact DoS
System access
Where From remote
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Unpatched
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
Remediation status Secunia VIM
   
Software:
McAfee VirusScan Command Line
McAfee VirusScan Enterprise 8.x
Secunia CVSS Score Available in Customer Area
CVE Reference(s) No CVE references.
  

Description

Tavis Ormandy has discovered a vulnerability in McAfee VirusScan, which potentially can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to the improper handling of dynamic Huffman coding within the ZIP decompression mechanism. This can potentially be exploited to execute arbitrary code with the permissions of a user scanning a specially crafted ZIP file.

The vulnerability is confirmed in McAfee VirusScan Command Line Scanner for Linux evaluation version 5.10 and is also reported in McAfee VirusScan for Windows. Other versions may also be affected.


Solution
Do not scan ZIP compressed files.

Provided and/or discovered by
Tavis Ormandy

Changelog
Further details available in Customer Area

Deep Links
Links available in Customer Area


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 ZIP Decompression Vulnerability
 
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