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             AUSCERT External Security Bulletin Redistribution

                ESB-2001.477 -- Microsoft Security Bulletin
          Important Information Regarding MS01-054 and WindowsME
                              9 November 2001

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:                Universal Plug and Play (UPnP) service
Vendor:                 Microsoft
Operating System:       Windows ME
Impact:                 Denial of Service

Ref:                    ESB-2001.468

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Issue:
======
On Thursday 01 November  2001, Microsoft issued Security 
Bulletin
MS01-054, discussing a security vulnerability affecting
Windows 98, ME and XP.  

Today, we received reports of problems with the Windows ME 
patch
only. We immediately removed the Windows ME version while 
we
Investigate the issue further. 

The problem is that upnp.dll does not seem to be registered.  
This is the case when UPnP component is already installed
(via Add/Remove Components) and the update is applied.  
Result
is Explorer hangs and machine performance can be erratic.
However, in the case where UPnP component is not installed,
the update is applied, and then UPnP component is added, 
there
seems to be no issues. Apps including IE work and Explorer
is fine at each and every stage.

As soon as a new patch is available, a revised bulletin 
will
be posted and announced.

The Windows 98 and XP patches are error free.

Microsoft deeply apologizes for any problems this has 
caused.
We assure you that a thorough investigation is being 
conducted
into the cause of this problem and steps are being taken
to prevent it from happening again.
 
Remediation:
======
Customers who are experiencing problems as a result of the
Windows ME patch can go to the  %windir%system directory
and run "regsvr32 upnp.dll" (no quotes).  Reboot. Customers
who are unable to register the upnp.dll should contact
Microsoft Product Support Services for assistance.  

There is no charge for support calls associated with
security patches.

Information on contacting Microsoft Product Support 
Services
can be found at:
http://www.microsoft.com/support
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