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Users Might Gain Full Control of a System via the "Simplified Chinese IME State Recognition" Vulnerability

The information in this article applies to:
  • Microsoft Windows versions 2000, 2000 SP1 Professional
  • Microsoft Windows versions 2000, 2000 SP1 Server
  • Microsoft Windows versions 2000, 2000 SP1 Advanced Server


Users might be able to gain full control of a system if a Chinese Input Method Editor (IME) is installed.

Affected IMEs include:

  • Winabc.ime
  • Wingb.ime
  • Winpy.ime
  • Winsp.ime
  • Winzm.ime


A supported fix that corrects this problem is now available from Microsoft, but it has not been fully regression tested and should be applied only to computers that are experiencing this specific problem. If you are not severely affected by this specific problem, Microsoft recommends that you wait for the next Windows 2000 service pack that contains this fix.

To resolve this problem immediately, download the fix as instructed below or contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:
The following files are available for download from the Microsoft Download Center. Click the file names below to download the files:
US English: Q270676_w2k_sp2_x86_en.exe
Simplified Chinese: Q270676_w2k_sp2_x86_cn.exe
For additional information about how to download Microsoft Support files, click the article number below to view the article in the Microsoft Knowledge Base:
Q119591 How to Obtain Microsoft Support Files from Online Services
Microsoft used the most current virus detection software available on the date of posting to scan this file for viruses. Once posted, the file is housed on secure servers that prevent any unauthorized changes to the file.

The English version of this fix should have the following file attributes or later:
   Date        Time    Version        Size     File name
   08/28/2000  01:27a  5.0.2195.2104   94,992  Winabc.ime
   08/27/2000  11:15p  5.0.2195.2104   72,224  Wingb.ime
   08/28/2000  01:27a  5.0.2195.2104  154,928  Winpy.ime
   08/28/2000  01:27a  5.0.2195.2104  154,928  Winsp.ime
   08/28/2000  01:27a  5.0.2195.2104  154,928  Winzm.ime 


Microsoft has confirmed this to be a problem in Windows 2000.


For more information, please see the following Microsoft Security Bulletin:
For additional security-related information about Microsoft products, please go to:
For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below to view the article in the Microsoft Knowledge Base:
Q249149 Installing Microsoft Windows 2000 and Windows 2000 Hotfixes

Additional query words:

Keywords : kbWin2000PreSP2Fix
Issue type : kbbug
Technology : kbwin2kAdvSer kbwin2kAdvSerSearch kbwin2kS kbwin2kSSearch kbwin2kSearch kbwin2kProSearch kbwin2kPro

Last Reviewed: November 15, 2000
2000 Microsoft Corporation. All rights reserved. Terms of Use.

Article ID: Q270676

Last Reviewed:
November 15, 2000

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