Microsoft Security Bulletin (MS00-015) -------------------------------------- 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 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. THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. © 2000 Microsoft Corporation. All rights reserved. Terms of use. ******************************************************************* You have received this e-mail bulletin as a result of your registration to the Microsoft Product Security Notification Service. You may unsubscribe from this e-mail notification service at any time by sending an e-mail to MICROSOFT_SECURITY-SIGNOFF-REQUEST@ANNOUNCE.MICROSOFT.COM The subject line and message body are not used in processing the request, and can be anything you like. For more information on the Microsoft Security Notification Service please visit http://www.microsoft.com/security/services/bulletin.asp. For security-related information about Microsoft products, please visit the Microsoft Security Advisor web site at http://www.microsoft.com/security.