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Q160604: Access Violation in security!SspQueryContextAttributesW

Article: Q160604
Product(s): Microsoft Windows NT
Version(s): 4.0
Operating System(s): 
Keyword(s): kbProgramming
Last Modified: 21-FEB-2002

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The information in this article applies to:

- Microsoft Windows NT Server version 4.0 
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SYMPTOMS
========

When SECPKG_ATTR_NAMES or SECPKG_ATTR_DCE_INFO attributes are requested, using
SspQueryContextAttributesW routine, an access violation is generated during
cleanup code in this routine.

CAUSE
=====

It appears that SspQueryContextAttributesW leaves pDceInfo uninitialized if
SspDllGetLpcHandle fails.

RESOLUTION
==========

Apply Service Pack 2 for Windows NT 4.0.

STATUS
======

Microsoft has confirmed this to be a problem in Windows NT version 4.0. This
problem was corrected in the latest US Service Pack for Windows NT. For
information on obtaining this update, query on the following word in the
Microsoft Knowledge Base (without the spaces):

  S E R V P A C K



Additional query words: prodnt crash decinfo null

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Keywords          : kbProgramming 
Technology        : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400search kbWinNTS400
Version           : :4.0

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