Microsoft Word Memory Corruption Vulnerability

Overview

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iPolicy Networks Security Advisory


Date Discovered:	02/12/2008
Severity:	High
Applications Affected:	Microsoft Office 2004 SP3 Microsoft Office XP SP3 Microsoft Office 2003 SP2 Microsoft Office Word Viewer 2003

Synopsis

A remote code execution vulnerability exists in the way that Word handles specially crafted Word files. The vulnerability could allow remote code execution if a user opens a specially crafted Word file that includes a malformed value.

Recommended Actions

Update the patches as guided by vendor at :
http://www.microsoft.com/technet/security/bulletin/ms08-009.mspx

Threat Analysis

The vulnerability is caused by a memory calculation error when parsing a specially crafted Word file. The error may corrupt system memory in such a way that an attacker could execute arbitrary code.

This vulnerability requires that a user open a specially crafted Word file with an affected version of Microsoft Word. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs, view, change, delete data, or create new accounts with full user rights.

References

http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0109

Write-up by: Aditya Chaturvedi

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“iPolicy is one of the most visionary firewall vendors in the firewall Magic Quadrant. Its architecture of a central session processing engine and multiple content blades that are able to block based on signatures, rules and so on is the closest to the network security ideal.”

Greg Young, John Pescatore
Magic Quadrant for Network Firewalls, 2H04, Gartner

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