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Microsoft Windows Media Center DLL Loading Arbitrary Code Execution Vulnerability

Risk

High

Date Discovered

October 11, 2011

Description

Microsoft Windows is prone to an arbitrary-code-execution vulnerability that affects the Media Center. Attackers can exploit this vulnerability to execute arbitrary code in the context of the user running the vulnerable application.

Technologies Affected

  • Microsoft Windows 7 for 32-bit Systems
  • Microsoft Windows 7 for 32-bit Systems SP1
  • Microsoft Windows 7 for x64-based Systems
  • Microsoft Windows 7 for x64-based Systems SP1
  • Microsoft Windows Media Center TV Pack for Windows Vista 32-bit edition
  • Microsoft Windows Media Center TV Pack for Windows Vista 64-bit edition
  • Microsoft Windows Vista Business SP1
  • Microsoft Windows Vista Business SP2
  • Microsoft Windows Vista Enterprise SP1
  • Microsoft Windows Vista Enterprise SP2
  • Microsoft Windows Vista Home Basic SP1
  • Microsoft Windows Vista Home Basic SP2
  • Microsoft Windows Vista Home Premium SP1
  • Microsoft Windows Vista Home Premium SP2
  • Microsoft Windows Vista SP1
  • Microsoft Windows Vista SP2
  • Microsoft Windows Vista Ultimate SP1
  • Microsoft Windows Vista Ultimate SP2
  • Microsoft Windows Vista x64 Edition
  • Microsoft Windows Vista x64 Edition SP1
  • Microsoft Windows Vista x64 Edition SP2

Recommendations

Block external access at the network boundary, unless external parties require service.

If global access isn't needed, filter access to the affected computer at the network boundary. Restricting access to only trusted computers and networks might greatly reduce the likelihood of successful exploits.

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.

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

To reduce the likelihood of successful exploits, do not open or handle files from unknown or untrusted locations.

Do not follow links provided by unknown or untrusted sources.

Never follow links provided by unfamiliar or untrusted sources or visit sites of questionable integrity.
Vendor updates are available. Please see the references for details.

Credits

Vendor
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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