Advisory Details

August 11th, 2009

Microsoft Office OWC10 ActiveX Control Loading and Unloading Heap Corruption Vulnerability

ZDI-09-055
ZDI-CAN-186

CVE ID CVE-2009-0562
CVSS SCORE
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Office Word
Office Excel
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 8299. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS

This vulnerability allows attackers to execute arbitrary code on vulnerable installations of Microsoft Office. User interaction is required to exploit this vulnerability in that the target must visit a malicious page.

The specific flaw exists when loading and unloading the vulnerable control (0002E543-0000-0000-C000-000000000046) and results in transfer of control to unallocated memory. This issue can be exploited to execute arbitrary code under the context of the currently logged in user user.

ADDITIONAL DETAILS Microsoft has issued an update to correct this vulnerability. More details can be found at:
http://www.microsoft.com/technet/security/bulletin/MS09-043.mspx
DISCLOSURE TIMELINE
  • 2007-03-29 - Vulnerability reported to vendor
  • 2009-08-11 - Coordinated public release of advisory
CREDIT Peter Vreugdenhil
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