Microsoft DirectX remote code execution

Overview

Microsoft DirectX is vulnerable to a remote code execution vulnerability which may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.

Description

Microsoft DirectX is a feature of the Microsoft Windows operating system used for streaming multimedia content. DirectX integrates DirectShow technology to provide high-quality capture of streaming media such as video and audio. A stack-based buffer overflow exists due to DirectShow’s improper parsing of WAV and AVI files. By successfully persuading a user to access a specially crafted WAV or AVI file, a remote, unauthenticated attacker could trigger the buffer overflow.

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Impact

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

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Solution

Microsoft has published Microsoft Security Bulletin MS07-064 in response to this issue. Users are strongly encouraged to review this bulletin and apply the referenced patches.

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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.

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Vendor Information

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Microsoft Corporation __ Unknown

Updated: December 14, 2007

Status

Unknown

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Microsoft has published Microsoft Security Bulletin MS07-064 in response to this issue. Users are strongly encouraged to review this bulletin and apply the referenced patches.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23321233 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

<http://www.microsoft.com/technet/security/bulletin/ms07-064.mspx&gt;

Acknowledgements

Microsoft credits Peter Winter-Smith of NGSSoftware for reporting this vulnerability.

This document was written by Joseph W. Pruszynski.

Other Information

CVE IDs:	CVE-2007-3895
Severity Metric:	7.25 Date Public: