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Insecure Library Loading
Moderately critical

ALZip ACE Archive Handling Buffer Overflow

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Release Date:  2005-09-07    Last Update:  2006-05-02    Views:  16,709

Secunia Advisory SA16479

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Secunia Research has discovered a vulnerability in ALZip, which can be exploited by malicious people to compromise a vulnerable 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.

Successful exploitation allows execution of arbitrary code.

The vulnerability affects the following versions:
* ALZip v6.11 and prior (Korean)
* ALZip v5.52 (All language versions)
* ALZip v5.51 (All language versions)
* ALZip v6.03 (English)
* ALZip v6.1 beta

The vulnerability is related to:
SA14359


Solution:
Update to the fixed versions.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Tan Chew Keong, Secunia Research.

Original Advisory:
Secunia Research:
http://secunia.com/secunia_research/2005-41/advisory/

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: ALZip ACE Archive Handling Buffer Overflow

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