Vulnerability Note VU#884252

Microsoft PowerPoint fails to properly handle malformed records

Overview

Microsoft PowerPoint fails to properly handle malformed records allowing a buffer overflow to occur. This vulnerability may allow a remote attacker to execute arbitrary code on a vulnerable system.

I. Description

Microsoft PowerPoint fails to properly handle malformed records. Specifically, PowerPoint fails to properly validate the length of a record before copying that record into a buffer possibly allowing a buffer overflow to occur.

More information is available in Microsoft Security Bulletin MS06-048.

II. Impact

A remote, unauthenticated attacker could execute arbitrary code on an affected system. If the user is logged on with administrative privileges, the attacker could gain complete control of the system, including the ability to install programs; view, change, or delete data; or create new accounts with full user rights.

III. Solution

Apply an update

Apply the update provided by in Microsoft Security Bulletin MS06-048 .

Until a patch can be applied, do not open or save Microsoft PowerPoint files that you receive from untrusted sources.

Systems Affected

Vendor	Status	Date Notified	Date Updated
Microsoft Corporation	Vulnerable	8-Aug-2006

References

http://www.microsoft.com/technet/security/bulletin/ms06-048.mspx

Credit

This vulnerability was reported by Microsoft, who in turn credit SoWhat of Nevis Labs for reporting this vulnerability.

This document was written by Joseph Pruszynski.

Other Information

Date Public:	2006-08-08
Date First Published:	2006-08-08
Date Last Updated:	2006-08-08
CERT Advisory:
CVE-ID(s):	CVE-2006-3449
NVD-ID(s):	CVE-2006-3449
US-CERT Technical Alerts:
Metric:	30.98
Document Revision:	22

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Produced 2006 by US-CERT, a government organization
Disclaimers and copyright information

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