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A problem in Windows NT enables someone with physical access to the console of a Windows NT system where a user is currently logged on and the console is locked to retrieve the first line of text from the logged on user's clipboard. This is

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Microsoft Knowledge Base Article

This article contents is Microsoft Copyrighted material.
©2005-©2007 Microsoft Corporation. All rights reserved. Terms of Use | Trademarks
Article ID: 214802 - Last Review: November 1, 2006 - Revision: 1.3

Windows NT Lets You Paste Text into Unlock Workstation Dialog Box

View products that this article applies to.
System TipThis article applies to a different version of Windows than the one you are using. Content in this article may not be relevant to you. Visit the Windows Vista Solution Center
This article was previously published under Q214802

On This Page

SYMPTOMS

A problem in Windows NT enables someone with physical access to the console of a Windows NT system where a user is currently logged on and the console is locked to retrieve the first line of text from the logged on user's clipboard. This is done by pasting (pressing CTRL+V) the clipboard contents into the User name field of the Unlock Workstation dialog box. Microsoft has not received any reports of adverse effects as a result of this issue.

Terminal Server connections are not affected by this bug, although the Terminal Server console would be.
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RESOLUTION

Windows NT 4.0

Windows NT 4.0 with Service Pack 4

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
For information on obtaining the individual software update, contact Microsoft Product Support Services. 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:
http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS (http://support.microsoft.com/default.aspx?scid=fh;en-us;cntactms)
This hotfix has been posted to the following Internet location:
ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/nt40/hotfixes-postsp4/gina-fix/ (ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/NT40/hotfixes-postSP4/Gina-fix/)

Windows NT 4.0 with Service Pack 3

This hotfix has been posted to the following Internet location as :

ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/nt40/hotfixes-postsp3/gina-fix/ (ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/NT40/hotfixes-postSP3/Gina-fix/)

WARNING: If you install the SP3 version of this hotfix you may invalidate other Post-SP3 hotfixes that also include the replacement of Msgina.dll in the %Windows%\System32 folder. To eliminate the vulnerabilities identified in this fix and other Post-SP3 fixes, please install Service Pack 4 and then apply the Post-SP4 version of this hotfix.


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Windows NT Server 4.0, Terminal Server Edition

To resolve this problem, obtain the latest service pack for Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
152734  (http://kbalertz.com/Feedback.aspx?kbNumber=152734/EN-US/ ) How to Obtain the Latest Windows NT 4.0 Service Pack
This hotfix has been posted to the following Internet location:

ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/nt40tse/hotfixes-postsp3/gina-fix/ (ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/NT40TSE/hotfixes-postSP3/Gina-fix/)



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Windows NT 3.51

A hotfix is not available for Windows NT 3.51.
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STATUS

Microsoft has confirmed that this is a problem in Windows NT 3.51 and 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT Server 4.0, Terminal Server Edition Service Pack 4 and Windows NT 4.0 Service Pack 5.
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MORE INFORMATION

Gina-fix also resolves the problem discussed in the following article in the Microsoft Knowledge Base:
188700  (http://kbalertz.com/Feedback.aspx?kbNumber=188700/EN-US/ ) Screensaver Password Works Even if Account Is Locked Out
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APPLIES TO
  • Microsoft Windows NT Server 4.0, Terminal Server Edition
  • Microsoft Windows NT Server 4.0 Enterprise Edition
  • Microsoft Windows NT Workstation 3.51
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 3.51
  • Microsoft Windows NT Server 4.0 Standard Edition
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Keywords: 
kbhotfixserver kbqfe kbbug kbfix kbqfe KB214802
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