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Secunia Research: TUGZip ARJ Archive Handling Buffer Overflow Vulnerability
From: Secunia Research <vuln () secunia com>
Date: Fri, 30 Dec 2005 15:50:34 +0100

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                     Secunia Research 30/12/2005

    - TUGZip ARJ Archive Handling Buffer Overflow Vulnerability -

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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 

* TUGZip 3.4.0.0

Other 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 TUGZip, which can
be exploited by malicious people to compromise a user's system. 

The vulnerability is caused due to a boundary error when handling an
ARJ archive containing a file with an overly long filename. This can
be exploited to cause a stack-based buffer overflow.

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

The vulnerability has been confirmed in version 3.4.0.0. Other
versions may also be affected.

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4) Solution 

Do not open untrusted ARJ archives.

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

07/10/2005 - Initial vendor notification.
13/10/2005 - Initial vendor reply.
15/11/2005 - Reminder sent.
30/12/2005 - Public disclosure.

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6) Credits 

Discovered by Tan Chew Keong, Secunia Research.

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7) References

No other references.

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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/2005-63/advisory/

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

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