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Vulnerability Note VU#319385

Microsoft Windows Media Format Runtime ASF handling buffer overflow

Overview

Microsoft Windows Media Format Runtime is vulnerable to a heap-based buffer overflow. This vulnerability may allow a remote, unauthenticated attacker to execute arbitrary code on an vulnerable system.

I. Description

Microsoft Windows Media Format Runtime is used by various Windows Media applications such as Windows Media Player. The Windows Media Format Runtime includes the ability to play Advanced Systems Format (ASF) files, which can contain streaming audio, video, slide shows and synchronized events. A heap-based buffer overflow exists due to Microsoft Windows Media Format Runtime's improper parsing of ASF files. By successfully persuading a user to access a specially crafted ASF file, a remote, unauthenticated attacker could trigger the buffer overflow.

II. Impact

A remote, unauthenticated attacker could execute arbitrary code on a vulnerable system.

III. Solution

Microsoft has published Microsoft Security Bulletin MS07-068 in response to this issue. Users are strongly encouraged to review this bulletin and apply the referenced patches.

In addition to the patches referenced above, Microsoft has published workarounds for this issue. Users who are unable to apply the patches are strongly encouraged to implement these workarounds as appropriate.

Systems Affected

VendorStatusDate NotifiedDate Updated
Microsoft CorporationVulnerable12-Dec-2007

References


http://www.microsoft.com/technet/security/Bulletin/MS07-068.mspx

Credit

Microsoft credits Ryan Smith of ISS X-Force for reporting this vulnerability.

This document was written by Joseph W. Pruszynski.

Other Information

Date Public:2007-12-11
Date First Published:2007-12-12
Date Last Updated:2007-12-13
CERT Advisory: 
CVE-ID(s):CVE-2007-0064
NVD-ID(s):CVE-2007-0064
US-CERT Technical Alerts: 
Metric:14.73
Document Revision:14

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