Access Violation in security!SspQueryContextAttributesW

ID: Q160604

The information in this article applies to:

Microsoft Windows NT Server version 4.0

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

Keywords : kbprg ntstop ntsecurity kbbug4.00 kbfix4.00.sp2 NTSrv
Version : 4.0
Platform : winnt
Issue type :