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Microsoft Pinyin IME (CVE-2011-2010) Local Privilege Escalation Vulnerability

Risk

High

Date Discovered

December 13, 2011

Description

Microsoft Pinyin IME is prone to a local privilege-escalation vulnerability. A local attacker can exploit this issue to execute arbitrary code with kernel-level privileges. Successful exploits will result in the complete compromise of affected computers. Failed exploit attempts may cause a denial-of-service condition.

Technologies Affected

  • Microsoft Office Pinyin New Experience Style 2010 (32-bit edition)
  • Microsoft Office Pinyin New Experience Style 2010 (64-bit edition)
  • Microsoft Office Pinyin SimpleFast Style 2010 (32-bit edition)
  • Microsoft Office Pinyin SimpleFast Style 2010 (64-bit edition)
  • Microsoft Pinyin IME 2010 (32-bit edition)
  • Microsoft Pinyin IME 2010 (64-bit edition)

Recommendations

Permit local access for trusted individuals only. Where possible, use restricted environments and restricted shells.

To exploit this vulnerability, an attacker requires local access to an affected computer. Grant local access for trusted and accountable users only.
Vendor updates are available. Please see the reference advisory for more information.

Credits

Yang Yanbei
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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