Microsoft Office Malformed BMP Filter Vulnerability

Overview

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iPolicy Networks Security Advisory


Date Discovered:	08/12/2008
Severity:	High
Applications Affected:	Microsoft Office 2000 SP3 Microsoft Office XP SP3 Microsoft Office 2003 SP2 Microsoft Office Project 2002 SP1 Microsoft Office Converter Pack Microsoft Works 8

Synopsis

Microsoft Office is prone to a Malformed BMP Filter Vulnerability. This vulnerability exists in the way that Microsoft Office handles a BMP-format image file. The vulnerability could be exploited when a Microsoft Office application opens a specially crafted BMP-format image file.

Recommended Actions

Update the patches as guided by vendor at :
http://www.microsoft.com/technet/security/bulletin/ms08-044.mspx

Threat Analysis

Malformed BMP Filter vulnerability exists in Microsoft Office and could be exploited when a specially crafted BMP-format image file is opened by any of the affected Microsoft Office applications. Such a file might be included in an e-mail attachment or hosted on a malicious Web site.

When Microsoft Office opens a specially crafted BMP image file, it may corrupt system memory in such a way that an attacker could execute arbitrary code. An attacker who successfully exploited this vulnerability could take complete control of the affected system.

References

http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3020

Write-up by: Aditya Chaturvedi

Security Sites

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