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IrfanView Formats Plug-in XPM Parsing Integer Overflow



Secunia Research: IrfanView Formats Plug-in XPM Parsing Integer Overflow
Secunia Research: IrfanView Formats Plug-in XPM Parsing Integer Overflow



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                     Secunia Research 07/04/2009

      - IrfanView Formats Plug-in XPM Parsing Integer Overflow -

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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

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1) Affected Software 

* IrfanView Formats Plug-in 4.22

NOTE: Other versions may also be affected.

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2) Severity 

Rating: Highly critical
Impact: System access
Where:  From remote

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3) Vendor's Description of Software 

"IrfanView is a very fast, small, compact and innovative FREEWARE
(for non-commercial use) graphic viewer.".

Product Link: http://www.irfanview.com/plugins.htm 

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4) Description of Vulnerability

Secunia Research has discovered a vulnerability in IrfanView's
Formats plug-in, which can be exploited by malicious people to
compromise a user's system.

The vulnerability is caused due to an integer overflow when processing
XPM files with certain dimensions. This can be exploited to cause a 
heap-based buffer overflow by e.g. tricking a user into opening a 
specially crafted XPM file.

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5) Solution 

Update to version 4.23.

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6) Time Table 

31/03/2009 - Vendor notified.
01/04/2009 - Vendor response.
06/04/2009 - Vendor issues fixed version.
07/04/2009 - Public disclosure.

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7) Credits 

Discovered by Stefan Cornelius, Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2009-0197 for the vulnerability.

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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/ 

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10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2009-20/ 

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

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