Advisory Details

May 13th, 2008

Microsoft Office RTF Parsing Engine Memory Corruption Vulnerability

ZDI-08-023
ZDI-CAN-284

CVE ID CVE-2008-1091
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 6099. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS

This vulnerability allows remote 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, open a malicious email, or open a malicious file.

The specific flaw exists when parsing malformed RTF documents. When processing a combination of RTF tags a heap overflow occurs. Successful exploitation can lead to remote compromise of a system under the credentials of the currently logged in 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/ms08-026.mspx
DISCLOSURE TIMELINE
  • 2008-01-21 - Vulnerability reported to vendor
  • 2008-05-13 - Coordinated public release of advisory
CREDIT wushi of team509
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