Microsoft Powerpoint Remote Code Execution Vulnerability

Overview

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Date Discovered:	08/12/2008
Severity:	High
Applications Affected:	Microsoft Office 2000 SP3 Microsoft Office XP SP3 Microsoft Office 2003 SP2 Microsoft Office 2003 SP3 Microsoft Office System 2007 Microsoft Office System 2007 SP1 Microsoft Office PowerPoint Viewer 2003 Microsoft Office 2004 for Mac

Synopsis

Microsoft Powerpoint is prone to a Remote Code Execution Vulnerability. This vulnerability exists in the way that Microsoft Office PowerPoint Viewer 2003 handles specially crafted PowerPoint files.

Recommended Actions

Update the patches as guided by vendor at :
http://www.microsoft.com/technet/security/bulletin/ms08-051.mspx

Threat Analysis

The vulnerability is caused by a memory calculation error when PowerPoint Viewer 2003 processes a malformed picture index in a specially crafted PowerPoint file and also the vulnerability is caused by a memory calculation error when parsing list values in a specially crafted PowerPoint 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 PowerPoint file with an affected version of Microsoft Office PowerPoint. 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-2008-0120
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0121
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1455

Write-up by: Aditya Chaturvedi

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