Re: NT4 patch for MS00-084??

From: Kristin Lounsbury (klounsbury22_at_nospam.hotmail.com)
Date: 05/09/03


Date: Fri, 9 May 2003 15:56:46 -0400


In article <uhe84846k.fsf@online.microsoft.com>,
rjohnson@online.microsoft.com says...
> Kristin Lounsbury <klounsbury22@nospam.hotmail.com> writes:
>
> > I received a security bulletin alert on 4/10/2003, announcing that
> > an NT4 version of the patch for MS00-084 had finally been released.
> > However, there is no such patch to be found on the technet security
> > bulletin site:
> > http://www.microsoft.com/technet/security/bulletin/MS00- 084.asp.
> > The only available patch is for Windows 2000.
> >
> > I was surprised to find no other complaints about this. Is there
> > something I'm missing??
>
> The summary says:
>
> "Microsoft has released a patch that eliminates a security
> vulnerability in Microsoft® Indexing Services for Windows 2000. This
> vulnerability could allow a malicious web site operator to misuse
> another web site as a means of attacking users."
>
> It does not appear that this vulnerability affects NT4. In fact, I
> think "Microsoft Indexing Services" was a new feature for Win2k.

Yes, I've read the bulletin too. I've also read the following alert
that went out on 4/10/2003 from the MS Product Security Notification
Service. What gives?

From: Microsoft [mailto:0_46535_EC13504A-3870-D211-9892-00805FA76A64
_US@Newsletters.Microsoft.com]
Sent: Thursday, April 10, 2003 2:14 AM
Subject: Microsoft Security Bulletin MS00-084: Patch Available for
'Indexing Services Cross Site Scripting' Vulnerability

-----BEGIN PGP SIGNED MESSAGE-----

- - -----------------------------------------------------------------
Title: Patch Available for
            'Indexing Services Cross Site Scripting' Vulnerability
Released: 02 November 2000
Revised: 09 April 2003 (version 2.0)
Software: Microsoft Indexing Services for Windows 2000
            Microsoft Indexing Services for Windows NT 4.0
Impact: Cross Site Scripting
Bulletin: MS00-084

Microsoft encourages customers to review the Security Bulletin at:
http://www.microsoft.com/technet/security/bulletin/MS00-084.asp
-----------------------------------------------------------------

Reason for Revision:
====================
Subsequent to the release of this bulletin, it was discovered that an
available package for the version of the Indexing Service which shipped
with the NT 4.0 Option Pack had never been released. The bulletin is
being updated to include the download locations for that version of the
fix.

Issue:
======
On February 20, 2000, Microsoft and the CERT Coordination Center
published information on a newly-identified security vulnerability
affecting all web server products. This vulnerability, known as Cross-
Site Scripting (CSS), results when web applications don't properly
validate inputs before using them in dynamic web pages. If a malicious
web site operator were able to lure a user to his site, and had
identified a third-party web site that was vulnerable to CSS, he could
potentially use the vulnerability to "inject"
script into a web page created by the other web site, which would then
be delivered to the user. The net effect would be to cause the malicious
user's script to run on the user's machine using the trust afforded the
other site.

The vulnerability can affect any software that runs on a web server,
accepts user input, and uses it to generate web pages without sufficient
validation. Microsoft has identified an Indexing Service component
(CiWebHitsFile) that, when called from a specially crafted URL, is
vulnerable to this scenario.

Mitigating Factors:
===================
 - The Indexing Service ships and installs with Windows 2000,
    but is not enabled by default.
 - The Indexing Service for Windows NT 4.0 ships with the
    NT Option Pack, and is not installed or enabled by default.

Patch Availability:
===================
 - A patch is available to fix this vulnerability. Please read the
   Security Bulletins at
   http://www.microsoft.com/technet/security/bulletin/ms00-084.asp
   for information on obtaining this patch.

Acknowledgment:
===============
 - Eiji "James" Yoshida <mailto:ptrs-ejy@bp.iij4u.or.jp>

- - -----------------------------------------------------------------

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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO
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