Microsoft Windows Media Player buffer overflow in Active Stream Redirector (.asx) file parser

Overview

There is a buffer overflow in the parsing of Active Stream Redirector (.ASX) files. This buffer overflow may allow a remote attacker to execute arbitrary code when a user views a malicious web page.

Description

There is a buffer overflow in the processing of Active Stream Redirector (.ASX) files in Windows Media Player version 6.4 and 7. An Active Stream Redirector is a file type used by Windows Media Player to determine where a media stream can be found on the Internet, and how to play it.

This vulnerability is a variant of the vulnerability described in VU#675320 and MS00-090.

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Impact

An attacker may be able to execute arbitrary code on vulnerable systems when the user visits a web page.

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Solution

Apply a Patch

Microsoft has published patches correcting this vulnerability. The patches are listed in their advisory at:

<http://www.microsoft.com/technet/security/bulletin/MS01-029.asp&gt;

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Vendor Information

187528

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Updated: July 16, 2002

Status

Affected

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 a security bulletin describing this vulnerability at:

<http://www.microsoft.com/technet/security/bulletin/MS01-029.asp&gt;

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23187528 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.microsoft.com/technet/security/bulletin/MS01-029.asp&gt;
• <http://www.microsoft.com/technet/security/bulletin/ms00-090.asp&gt;
• <http://www.microsoft.com/technet/security/bulletin/fq00-090.asp&gt;

Acknowledgements

This document was written by Cory F. Cohen.

Other Information

CVE IDs:	CVE-2001-0242
Severity Metric:	4.43 Date Public: