Windows NT Lets You Paste Text into Unlock Workstation Dialog Box

ID: Q214802

The information in this article applies to:

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.


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 fix. For information on obtaining the latest service pack, please go to:
For information on obtaining the individual fix, 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/support/supportnet/default.asp
This hotfix has been posted to the following Internet location as :
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/

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.


NOTE: If this product was already installed on your computer when you purchased it from the Original Equipment Manufacturer (OEM) and you need this fix, please call the Pay Per Incident number listed on the above Web site. If you contact Microsoft to obtain this fix, and if it is determined that you only require the fix you requested, no fee will be charged. However, if you request additional technical support, and if your no-charge technical support period has expired, or if you are not eligible for standard no-charge technical support, you may be charged a non-refundable fee.

For more information about eligibility for no-charge technical support, see the following article in the Microsoft Knowledge Base:
Q154871 Determining If You Are Eligible for No-Charge Technical Support

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, please see the following article in the Microsoft Knowledge Base:
Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack
This hotfix has been posted to the following Internet location as :

ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/NT40TSE/hotfixes-postSP3/Gina-fix/



NOTE: If this product was already installed on your computer when you purchased it from the Original Equipment Manufacturer (OEM) and you need this fix, please call the Pay Per Incident number listed on the above Web site. If you contact Microsoft to obtain this fix, and if it is determined that you only require the fix you requested, no fee will be charged. However, if you request additional technical support, and if your no-charge technical support period has expired, or if you are not eligible for standard no-charge technical support, you may be charged a non-refundable fee.

For more information about eligibility for no-charge technical support, see the following article in the Microsoft Knowledge Base:
Q154871 Determining If You Are Eligible for No-Charge Technical Support

Windows NT 3.51

A hotfix is not available for Windows NT 3.51.


STATUS

Microsoft has confirmed this to be 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.


MORE INFORMATION

Gina-fix also resolves the problem discussed in the following article in the Microsoft Knowledge Base:

Q188700 Screensaver Password Works Even if Account Is Locked Out

Additional query words: 3.51 4.00 sp1 sp2 sp3 sp4 tse wts 


Keywords          : kbbug4.00 kbfix4.00 nt4sp5fix 
Version           : winnt:3.51,4.0
Platform          : winnt 
Issue type        : kbbug

Last Reviewed: May 5, 1999