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Microsoft Windows CE .NET Compact Framework Components Multiple Vulnerabilities

Risk

High

Date Discovered

June 12, 2007

Description

Components of the .NET Compact Framework for Microsoft Windows CE are prone to multiple vulnerabilities. Exploiting these issues may allow remote attackers to cause denial-of-service conditions, corrupt memory, or execute arbitrary machine code in the context of the affected application. This facilitates the remote compromise of affected computers. Other attacks are also possible.

Technologies Affected

  • Microsoft Windows CE 5.0

Recommendations

Do not follow links provided by unknown or untrusted sources.

Users should be wary of visiting sites of questionable integrity or following links provided by unfamiliar or suspicious sources.

Set web browser security to disable the execution of script code or active content.

Disabling scripting and active content in the Internet Zone may limit exposure to this and other vulnerabilities.

Implement multiple redundant layers of security.

Various memory-protection schemes (such as nonexecutable and randomly mapped memory segments) may hinder an attacker's ability to exploit this vulnerability to execute arbitrary code.

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

Run the web client as an unprivileged user with minimal access rights. This will limit the impact of latent vulnerabilities.
Microsoft has released an advisory along with fixes to address this issue. Please see the references for more information.

Credits

Ollie Whitehouse of Symantec reported this issue to the 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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