====================================================================== Secunia Research 12/05/2009 - Microsoft PowerPoint Atom Parsing 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 * Microsoft PowerPoint 2000 SP3 NOTE: Other versions may also be affected. ====================================================================== 2) Severity Rating: Highly critical Impact: System compromise Where: Remote ====================================================================== 3) Vendor's Description of Software "Microsoft Office PowerPoint 2007 enables users to quickly create high-impact, dynamic presentations, while integrating workflow and ways to easily share information. From the Microsoft Office Fluent user interface to the new graphics and formatting capabilities, Office PowerPoint 2007 puts the control in your hands to create great-looking presentations.". Product Link: http://office.microsoft.com/powerpoint ====================================================================== 4) Description of Vulnerability Secunia Research has discovered two vulnerabilities in Microsoft Office PowerPoint, which can be exploited by malicious people to compromise a user's system. The vulnerabilities are caused by boundary errors when processing certain atoms and can be exploited to cause stack-based buffer overflows via a specially crafted PowerPoint file. Successful exploitation allows execution of arbitrary code. ====================================================================== 5) Solution Apply patches from MS09-017. ====================================================================== 6) Time Table 30/10/2008 - Vendor notified. 30/10/2008 - Vendor response. 07/11/2008 - Vendor provides status update. 11/12/2008 - Vendor provides status update. 20/02/2009 - Vendor provides status update. 24/04/2009 - Vendor provides status update. 05/05/2009 - Vendor provides status update. 12/05/2009 - Public disclosure. ====================================================================== 7) Credits Discovered by Carsten Eiram, Secunia Research. ====================================================================== 8) References The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2009-1131 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/2008-46/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================