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Re-Release - Microsoft Security Bulletin (MS00-049)
From: Microsoft Product Security <secnotif () MICROSOFT COM>
Date: Wed, 9 Aug 2000 18:18:31 -0700
The following is a Security Bulletin from the Microsoft Product Security Notification Service. Please do not reply to this message, as it was sent from an unattended mailbox. ******************************** -----BEGIN PGP SIGNED MESSAGE----- We are re-releasing this bulletin to notify our customers of an available patch for the "IE Script" vulnerability described in the bulletin. We also recommend that all users consider installing the patch for both issues described here if they are running any of the affected products. ======================================================= Microsoft Security Bulletin (MS00-049) - -------------------------------------- Patches Available for "Office HTML Script" and "IE Script" Vulnerabilities Originally Posted: July 13, 2000 Re-released: August 09, 2000 Summary ======= On July 13, 2000, Microsoft released the original version of this bulletin. It provided a patch to eliminate a security vulnerability in Microsoft(r) Office 2000 and PowerPoint 97, and a workaround to protect against a vulnerability in Internet Explorer. On August 09, 2000, the bulletin was re-released to announce the availability of a patch for the vulnerability in Internet Explorer. The effect of both vulnerabilities are the same -- they could allow a malicious web site operator to cause code of his choice to run on the computer of a visiting user. Frequently asked questions regarding this vulnerability and the patch can be found at http://www.microsoft.com/technet/security/bulletin/fq00-049.asp Issue ===== Two vulnerabilities have recently been discovered, one affecting Microsoft Office 2000 and PowerPoint 97, and the other affecting Internet Explorer 4.01 Service Pack 2 and higher. Although they involve different products, the effect, risk and exploit scenario are exactly the same. As a result, we have chosen to discuss them in the same bulletin. The vulnerabilities are: The "Office Script" vulnerability. This vulnerability could allow script hosted on a malicious user's web site to save an Excel 2000, Powerpoint 2000, or Powerpoint 97 file to the computer of a visiting user. Depending on where and how the file were saved to the user's computer, it could be made to launch automatically. If this were done, macro or VBA code could be made to run. The "IE Script" vulnerability. This vulnerability could allow script hosted on a malicious user's web site to reference a Microsoft Access file on the site. In turn, the Access file, when opened, could cause macro or VBA code to run. Affected Software Versions =========================== The Office HTML Script vulnerability affects the following Office products when used in conjunction with Internet Explorer 4.x or 5.x: - Microsoft Excel 2000 - Microsoft Powerpoint 2000 - Microsoft PowerPoint 97 The IE Script vulnerability affects Internet Explorer 4.01 SP2 and higher, when Microsoft Access 97 or Access 2000 is present on the user machine. Patch Availability ================== Office HTML Script vulnerability: - Microsoft Excel 2000 and PowerPoint 2000: - http://officeupdate.microsoft.com/2000/downloaddetails/Addinsec.htm - Microsoft PowerPoint 97: - http://officeupdate.microsoft.com/downloaddetails/PPt97sec.htm IE Script vulnerability: - http://www.microsoft.com/windows/ie/download/critical/patch11.htm Note: The patch for the IE Script vulnerability also eliminates a number of other security vulnerabilities. Please see Microsoft Security Bulletin MS00-055 for more information. 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. - Frequently Asked Questions: Microsoft Security Bulletin MS00-049, http://www.microsoft.com/technet/security/bulletin/fq00-049.asp - Microsoft Knowledge Base (KB) articles: Q268365 (Excel 2000), Q268457 (PowerPoint 2000), and Q268477 (PowerPoint 97) discusses "The Office HTML Script" vulnerability. - The Microsoft Office Update Site, http://officeupdate.microsoft.com - Knowledge Base (KB) article Q269368 explaining the "IE Script" Vulnerability in more detail will be available soon. - 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 Product Support Services is available at http://support.microsoft.com/support/contact/default.asp. Revisions ========== July 13, 2000: Bulletin Created. August 09, 2000: Bulletin updated to advise availability of a patch for the "IE Script" vulnerability. - -------------------------------------------------------------------- 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. Last Updated August 09, 2000 (c) 2000 Microsoft Corporation. All rights reserved. Terms of use. -----BEGIN PGP SIGNATURE----- Version: PGP Personal Privacy 6.5.3 iQEVAwUBOZIDUI0ZSRQxA/UrAQEcjgf9Hp6rxKtOuq8lX72EaB3TapUQzgdVJjtp g+dPMW2EkQEkNAF4feu+KV3C5DH9/z4as02ud18t95m3o1QzMoCGOY2gfvn8I1+B THz3G7isCvrQoXCJkjWx5XuaR+3FlDbtc4l6ujJYyqwjYbo2PZQ7RTK/Q1gaJx72 sL10q+ysy6i65F0XWeEtkBpEy5FjY5RA6kzc1l3BO5kCTk3ov0qE5EzHRDM12rlD 7qzLLnoVmW3iKBdELh2fOHSNw9por68h/wERbXwK4yVkuIOYG3yBq/jCAIxF5OFg BSwCkFvvPI2He2IwDDU5ud0EjXaUWmwQaPJTBno/2dw1of0I7jTybA== =645r -----END PGP SIGNATURE----- ******************************************************************* You have received this e-mail bulletin as a result of your registration to the Microsoft Product Security Notification Service. 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