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PowerArchiver unacev2.dll Buffer Overflow Vulnerability
Secunia Advisory: SA19977
Release Date: 2006-05-08
Popularity: 6,346 views

Critical:
Moderately critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

Software:PowerArchiver 2004 9.x
PowerArchiver 2006 9.x

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CVE reference:CVE-2005-2856


Description:
Secunia Research has discovered a vulnerability in PowerArchiver, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error in UNACEV2.DLL when extracting an ACE archive containing a file with an overly long filename. This can be exploited to cause a stack-based buffer overflow when a user extracts a specially crafted ACE archive.

The vulnerability is related to:
SA16479

The vulnerability has been confirmed in version 9.60. Prior versions may also be affected.

Solution:
Update to version 9.61 or later.
http://www.powerarchiver.com/download/

Provided and/or discovered by:
Secunia Research

Other References:
SA16479:
http://secunia.com/advisories/16479/


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