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Category:   Application (Generic)  >   Abakt Vendors:   Dienske, Erik
Abakt Buffer Overflow in Processing Zip Files Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1016107
SecurityTracker URL:  http://securitytracker.com/id/1016107
CVE Reference:   CVE-2006-2161   (Links to External Site)
Date:  May 16 2006
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 0.9.2 and prior versions; also 0.9.3-beta1
Description:   A vulnerability was reported in Abakt. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a Zip file containing a file with specially crafted filename. When the Zip file is opened by the target user via the "Restore Zip Archive" window, a buffer overflow will occur and arbitrary code will be executed on the target user's system. The code will run with the privileges of the target user.

The vendor was notified on May 12, 2006.

Tan Chew Keong of Secunia Research discovered this vulnerability.

Impact:   A remote user can create a file that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   The vendor has issued a fixed version (0.9.3-RC1), available at:

http://www.xs4all.nl/~edienske/abakt/download.html

Vendor URL:  www.xs4all.nl/~edienske/abakt/ (Links to External Site)
Cause:   Boundary error
Underlying OS:   Windows (Any)

Message History:   None.


 Source Message Contents

Date:  Mon, 15 May 2006 17:51:20 +0200
Subject:  Secunia Research: Abakt ZIP File Handling Buffer Overflow

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

                    Secunia Research 15/05/2006

      - Abakt 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 

* Abakt version 0.9.2 and 0.9.3-beta1

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 Abakt, 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

Successful exploitation allows execution of arbitrary code but
requires that the user is e.g. tricked into opening a malicious ZIP
archive from within the "Restore Zip Archive" functionality.

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

The vulnerability has been fixed in 0.9.3-RC1.

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

12/05/2006 - Initial vendor notification.
15/05/2006 - Initial vendor reply.
15/05/2006 - 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/2006-31/advisory/

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

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



 
 


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