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Secunia Research: WinACE ARJ Archive Handling Buffer Overflow
From: Secunia Research <remove-vuln () secunia com>
Date: Thu, 23 Feb 2006 15:46:44 +0100

====================================================================== 

                     Secunia Research 23/02/2006

           - WinACE ARJ Archive Handling Buffer Overflow -

====================================================================== 
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Description of Vulnerability.........................................3
Solution.............................................................4
Time Table...........................................................5
Credits..............................................................6
References...........................................................7
About Secunia........................................................8
Verification.........................................................9

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1) Affected Software 

* WinACE Version 2.60

Prior versions may also be affected.

====================================================================== 
2) Severity 

Rating: Moderately Critical
Impact: System access
Where:  Remote

====================================================================== 
3) Description of Vulnerability

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

The vulnerability is caused due to a boundary error when reading an
overly large ARJ header block into a fixed-sized heap buffer. This can
be exploited to cause a heap-based buffer overflow.

Successful exploitation allows execution of arbitrary code when a
malicious ARJ archive is opened.

====================================================================== 
4) Solution 

The vulnerability will be fixed in version 2.61.

====================================================================== 
5) Time Table 

26/10/2005 - Initial vendor notification.
31/10/2005 - Initial vendor reply.
31/10/2005 - Vendor sends fixed version for testing.
15/11/2005 - Vendor reminder.
23/01/2006 - Vendor reminder.
21/02/2006 - Vendor reminder.
23/02/2006 - Public disclosure.

====================================================================== 
6) Credits 

Discovered by Tan Chew Keong, Secunia Research.

====================================================================== 
7) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2006-0813 for the vulnerability.

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8) About Secunia 

Secunia collects, validates, assesses, and writes advisories regarding 
all the latest software vulnerabilities disclosed to the public. These 
advisories are gathered in a publicly available database at the 
Secunia website: 

http://secunia.com/

Secunia offers services to our customers enabling them to receive all 
relevant vulnerability information to their specific system 
configuration. 

Secunia offers a FREE mailing list called Secunia Security Advisories: 

http://secunia.com/secunia_security_advisories/

====================================================================== 
9) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2005-67/advisory/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

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