Secunia Research: ksquirrel-libs Radiance RGBE Buffer Overflows

2009-02-26T00:00:00
ID SECURITYVULNS:DOC:21394
Type securityvulns
Reporter Securityvulns
Modified 2009-02-26T00:00:00

Description

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                 Secunia Research 25/02/2009

     - ksquirrel-libs Radiance RGBE Buffer Overflows -

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

  • ksquirrel-libs 0.8.0.

NOTE: Other versions may also be affected.

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

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

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

"ksquirrel-libs is a set of image codecs for KSquirrel. It is written on pure C++, so you can simply use it in any other project. At this time ksquirrel-libs supports 57 image formats.".

Product Link: http://ksquirrel.sourceforge.net/subprojects.php

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

Secunia Research has discovered some buffer overflows ksquirrel-libs, which can be exploited by malicious people to compromise an application using the library.

The vulnerabilities are caused due to boundary errors within the "mt_codec::getHdrHead()" function in kernel/kls_hdr/fmt_codec_hdr.cpp, which can be exploited to cause stack-based buffer overflows by e.g. tricking a user into opening a specially crafted Radiance RGBE (*.hdr) file.

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

Do not open untrusted Radiance RGBE images in an application using ksquirrel-libs.

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

09/01/2009 - Vendor notified. 04/02/2009 - Requested status update from vendor. 25/02/2009 - Public disclosure.

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

Discovered by Stefan Cornelius, Secunia Research.

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

The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2008-5263 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.

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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:

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

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

Please verify this advisory by visiting the Secunia website: http://secunia.com/secunia_research/2008-63/

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

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