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Microsoft Security Bulletin (MS00-015)
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Patch Available for "Clip Art Buffer Overrun" Vulnerability
Originally Posted: March 06, 2000
Summary
=======
Microsoft has released a patch that eliminates a security vulnerability in
the Microsoft® Clip Art Gallery. The vulnerability could allow a malicious
party to cause hostile code to execute on the computer of a user of the
Clip Art Gallery.
Frequently asked questions regarding this vulnerability can be found at
http://www.microsoft.com/technet/security/bulletin/fq00-015.asp
Issue
=====
The Microsoft Clip Art Gallery software is used to allow users to retrieve
and use clip art in their documents. One of the features of the Clip Art
Gallery allows the user to download additional clips from the Microsoft
Clip Gallery Live web site, and then install that clip art on their
computer. To do this, Clip Art Gallery and Clip Gallery Live use a file
format called the CIL format to contain the newly downloaded clips. Under
certain circumstances, a very long field embedded in a clip art CIL file
could cause a buffer overrun in the Clip Art Gallery software. The buffer
overrun could cause the software to crash or, under certain circumstances,
could cause the execution of hostile code on the computer where the Clip
Art Gallery software was executing.
The risk from this vulnerability results from the facts that any web site
can host a CIL file and that clip art will normally be processed
without prompting the user for confirmation as would be the case with an
executable file format.
Affected Software Versions
==========================
The Clip Art Gallery software ships with the following products:
- Microsoft Office 2000
- Microsoft Works 2000
- Microsoft PictureIt 2000
- Microsoft HP 2000
- Microsoft Publisher99
- Microsoft PhotoDraw 2000 Version 1
Patch Availability
==================
- http://cgl.microsoft.com/clipgallerylive/pss/bufovrun.htm
NOTE: Additional security patches are available at the Microsoft Download
Center
More Information
================
Please see the following references for more information related to this
issue.
- Microsoft Security Bulletin MS00-015: Frequently Asked Questions
http://www.microsoft.com/technet/security/bulletin/fq00-015.asp>
- Microsoft TechNet Security web site
http://www.microsoft.com/technet/security/default.asp>
Obtaining Support on this Issue
===============================
This is a fully supported patch. Information on contacting Microsoft
Technical Support
is available at <http://support.microsoft.com/support/contact/default.asp>
Acknowledgments
===============
Microsoft thanks Dildog of the @Stake, Inc. L0pht Research Labs for
reporting this issue to us and working with us to protect customers.
Revisions
=========
- March 06, 2000: Bulletin Created.
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This archive was generated by hypermail 2b30 : Fri Apr 13 2001 - 15:39:06 PDT