====================================================================== Secunia Research 14/12/2010 - Microsoft Office FlashPix Property Set Parsing Buffer Overflow - ====================================================================== 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 * Microsoft Office XP SP3 * Microsoft Office Converter Pack NOTE: Other versions may also be affected. ====================================================================== 2) Severity Rating: Moderately critical Impact: System access Where: From remote ====================================================================== 3) Vendor's Description of Software "Microsoft Office is a complete suite of productivity and database software that will help you save time and stay organized". Product Link: http://office.microsoft.com/ ====================================================================== 4) Description of Vulnerability Secunia Research has discovered a vulnerability in Microsoft Office, which can be exploited by malicious people to compromise a user's system. The vulnerability is caused by a boundary error in the FlashPix graphics filter when parsing certain property sets. This can be exploited to cause a stack-based buffer overflow via a specially crafted FlashPix image. Successful exploitation allows execution of arbitrary code. ====================================================================== 5) Solution Apply patches provided by MS10-105. ====================================================================== 6) Time Table 27/07/2009 - Vendor notified. 27/07/2009 - Vendor response. 19/08/2009 - Vendor provides status update. 24/09/2009 - Vendor provides status update. 27/10/2009 - Vendor provides status update. 08/12/2009 - Vendor provides status update. 29/01/2010 - Vendor provides status update. 30/04/2010 - Vendor provides status update (tentatively targetting August 2010). 23/07/2010 - Vendor provides status update (slipped from August 2010 release and now scheduled for November 2010). 04/11/2010 - Vendor provides status update (slipped from November 2010 release and now scheduled for December 2010). 08/11/2010 - Vendor informed that December is the final deadline. 14/12/2010 - Public disclosure. ====================================================================== 7) Credits Discovered by Dyon Balding, Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2010-3951 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/2009-33/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================