full-disclosure - Secunia Research: Gimp PSD Image Parsing Integer Overflow Vulnerability

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Message-Id: <200911171405.nAHE530Y020502@CA-IX-1.intnet>
Date: Tue, 17 Nov 2009 15:05:03 +0100
From: Secunia Research <remove-vuln@...unia.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Secunia Research: Gimp PSD Image Parsing Integer
	Overflow Vulnerability

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

                     Secunia Research 17/11/2009

      - Gimp PSD Image Parsing Integer Overflow Vulnerability -

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

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

====================================================================== 
1) Affected Software 

* Gimp 2.6.7

NOTE: Other versions may also be affected.

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

Rating: Moderately Critical
Impact: System Access
Where:  Remote

====================================================================== 
3) Vendor's Description of Software 

"GIMP is the GNU Image Manipulation Program. It is a freely 
distributed piece of software for such tasks as photo retouching,
image composition and image authoring. It works on many operating
systems, in many languages.".

Product Link:
http://www.gimp.org/

====================================================================== 
4) Description of Vulnerability

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

The vulnerability is caused by an integer overflow error within the
"read_channel_data()" function in plug-ins/file-psd/psd-load.c. This
can be exploited to cause a heap-based buffer overflow by e.g.
tricking a user into opening a specially crafted PSD file.

====================================================================== 
5) Solution 

Fixed in the GIT repository.

====================================================================== 
6) Time Table 

04/11/2009 - Vendor notified.
12/11/2009 - Second attempt to contact vendor. Also notified
             vendor-sec mailing list.
13/11/2009 - Vendor response.
17/11/2009 - Public disclosure.

====================================================================== 
7) Credits 

Discovered by Stefan Cornelius, Secunia Research.

====================================================================== 
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2009-3909 for the vulnerability.

====================================================================== 
9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2009-43/

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

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

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