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Message-ID: <1147093984.23473.143.camel@ts2.intnet>
Date: Mon May 8 14:14:16 2006
From: remove-vuln at secunia.com (Secunia Research)
Subject: Secunia Research: TZipBuilder ZIP File Handling
Buffer Overflow Vulnerability
======================================================================
Secunia Research 08/05/2006
- TZipBuilder ZIP File Handling Buffer Overflow Vulnerability -
======================================================================
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
======================================================================
1) Affected Software
* TZipBuilder 1.79.03.01.
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 TZipBuilder, which
can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error when listing the
contents of a ZIP archive that contains a file with an overly long
filename. This can be exploited to cause a stack-based buffer overflow
when a specially crafted ZIP archive is opened.
Successful exploitation allows execution of arbitrary code with the
privileges of an application that uses the library.
======================================================================
4) Solution
Update to version 1.79.04.00.
http://www.drehoeksw.net/ZipBuild2.html
======================================================================
5) Time Table
03/05/2006 - Initial vendor notification.
03/05/2006 - Initial vendor reply.
08/05/2006 - Public disclosure.
======================================================================
6) Credits
Discovered by Tan Chew Keong, Secunia Research.
======================================================================
7) References
The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2006-2161 for the vulnerability.
======================================================================
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/2006-26/advisory/
Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/
======================================================================
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