bugtraq - Secunia Research: CAM UnZip ZIP File Handling Buffer Overflow Vulnerability

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Message-ID: <1148022516.6268.177.camel@ts2.intnet>
Date: Fri, 19 May 2006 09:08:36 +0200
From: Secunia Research <remove-vuln@...unia.com>
To: vuln@...unia.com
Cc: bugtraq@...urityfocus.com
Subject: Secunia Research: CAM UnZip ZIP File Handling Buffer Overflow
	Vulnerability


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

                    Secunia Research 19/05/2006

    - CAM UnZip 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 

* CAM UnZip version 4.0 and 4.3

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 CAM UnZip, 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. This can be exploited to cause a
stack-based buffer overflow when a malicious ZIP archive containing
a file with an overly long filename is opened.

The vulnerability is related to:
SA19945

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

Update to version 4.4.
http://www.camunzip.com/download.htm

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

03/05/2006 - Initial vendor notification.
03/05/2006 - Initial vendor reply.
19/05/2006 - Public disclosure.

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

Discovered by Tan Chew Keong, Secunia Research.

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

SA19945:
http://secunia.com/advisories/19945/

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/2006-34/advisory/

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

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