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McAfee VirusScan ZIP Decompression Vulnerability
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Secunia Advisory:
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SA26137
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Release Date:
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2007-07-25
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Last Update:
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2007-07-26
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Popularity:
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17,872 views
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Critical:
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Moderately critical
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Impact:
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DoS
System access
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Where:
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From remote
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Solution Status:
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Unpatched
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| Software: | McAfee VirusScan Command Line
McAfee VirusScan Enterprise 8.x
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Instant alerts on relevant vulnerabilities 
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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:
2007-07-26: Added additional reportedly affected products. Minor changes to "Title" and "Solution" section.
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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