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Microsoft Windows Media Player ActiveX Control Remote Code Execution Vulnerability

Risk

High

Date Discovered

April 13, 2010

Description

Microsoft Windows Media Player ActiveX control is prone to a remote code-execution vulnerability when handling specially crafted media content. An attacker can exploit this issue by enticing an unsuspecting user to view a malicious webpage. Successful exploits will allow the attacker to execute arbitrary code in the context of the user running the application, which can compromise the application and possibly the computer. The issue affects Windows Media Player 9 on supported editions of Microsoft Windows 2000 and Windows XP.

Technologies Affected

  • Microsoft Windows Media Player 9.0

Recommendations

Run all software as a nonprivileged user with minimal access rights.

To reduce the impact of latent vulnerabilities, always run nonadministrative software as an unprivileged user with minimal access rights.

Deploy network intrusion detection systems to monitor network traffic for malicious activity.

Deploy NIDS to monitor network traffic for signs of anomalous or suspicious activity. This includes but is not limited to requests that include NOP sleds and unexplained incoming and outgoing traffic. This may indicate exploit attempts or activity that results from a successful exploit.

Do not accept or execute files from untrusted or unknown sources.

To reduce the likelihood of successful attacks, never handle or open files from unknown sources.

Do not follow links provided by unknown or untrusted sources.

To reduce the likelihood of successful exploits, never visit sites of questionable integrity or follow links provided by unfamiliar or untrusted sources.

Implement multiple redundant layers of security.

As this issue may be cause by a memory-corruption error, consider various memory-protection schemes (such as nonexecutable and randomly mapped memory segments) that may hinder an attacker's ability to exploit memory-corruption vulnerabilities. Host-based intrusion-prevention systems may also help prevent exploits.
The vendor released an advisory and updates to address this issue. Please see the references for more information.

Credits

TippingPoint and the Zero Day Initiative
Copyright © Symantec Corporation.
Permission to redistribute this alert electronically is granted as long as it is not edited in any way unless authorized by Symantec Security Response. Reprinting the whole or part of this alert in any medium other than electronically requires permission from secure@symantec.com.

Disclaimer
The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.
Symantec, Symantec products, Symantec Security Response, and secure@symantec.com are registered trademarks of Symantec Corp. and/or affiliated companies in the United States and other countries. All other registered and unregistered trademarks represented in this document are the sole property of their respective companies/owners.

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