Secunia Research: VMWare VMnc Codec HexTile Encoding Two Integer Truncation Vulnerabilities

2010-04-12T00:00:00
ID SECURITYVULNS:DOC:23604
Type securityvulns
Reporter Securityvulns
Modified 2010-04-12T00:00:00

Description

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                 Secunia Research 09/04/2010

           - VMWare VMnc Codec HexTile Encoding - 
         - Two Integer Truncation Vulnerabilities -

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

  • VMWare Workstation version 6.5.3 build 185404.

NOTE: Other products and versions may also be affected.

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

Rating: Highly critical Impact: System access Where: Remote

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

"VMware Workstation makes it simple to create and run multiple virtual machines on your desktop or laptop computer. ... You can even use Workstation 6.5 to record and play video files ..."

Product Link: http://www.vmware.com/products/ws/

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

Secunia Research has discovered two vulnerabilities in multiple VMWare products, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerabilities are caused by two integer truncation errors in vmnc.dll when processing HexTile encoded video chunks and can be exploited to cause heap-based buffer overflows.

Successful exploitation may allow execution of arbitrary code by tricking a user into opening a specially crafted AVI file.

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

Update to version 6.5.4 build 246459.

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

14/09/2009 - Vendor notified. 14/09/2009 - Vendor response. 09/04/2010 - Public disclosure.

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

Discovered by Alin Rad Pop, Secunia Research.

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

The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2009-1565 for the vulnerabilities.

====================================================================== 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/2009-37/

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

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