full-disclosure - Secunia Research: imlib2 "IMAGE_DIMENSIONS

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Date: Wed, 21 Apr 2010 09:42:39 +0200
From: Secunia Research <remove-vuln@...unia.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Secunia Research: imlib2 "IMAGE_DIMENSIONS_OK()"
	Logic Error

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

                     Secunia Research 21/04/2010

           - imlib2 "IMAGE_DIMENSIONS_OK()" Logic Error -

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

* imlib2 1.4.3

NOTE: Prior versions are not affected.

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

Rating: Moderately critical
Impact: System access
Where:  Remote

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

"Imlib 2 is the successor to Imlib.".

Product Link:
http://enlightenment.org/

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

Secunia Research has discovered a vulnerability in imlib2, which can
be exploited by malicious people to compromise an application using
the library.

The vulnerability is caused by a logic error within the 
"IMAGE_DIMENSIONS_OK()" macro in src/lib/image.h. This can be 
exploited to cause heap-based buffer overflows via e.g. specially
crafted ARGB, XPM, and BMP image files.

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

Fixed in the SVN repository.

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

07/04/2010 - Vendor notified.
08/04/2010 - Vendor response.
21/04/2010 - Public disclosure.

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

Discovered by Stefan Cornelius, Secunia Research.

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

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2010-0991 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/2010-54/

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

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

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