Boerner, Jason (Orange County)
1998-Sep-04 20:26 UTC
FW: Microsoft Security Bulletin (MS98-013)
-----Original Message----- From: Microsoft Product Security Response Team [mailto:secure@MICROSOFT.COM] Sent: Friday, September 04, 1998 10:52 AM To: MICROSOFT_SECURITY@ANNOUNCE.MICROSOFT.COM Subject: Microsoft Security Bulletin (MS98-013) Microsoft Security Bulletin (MS98-013) -------------------------------------------------------------------- Fix available for Internet Explorer Cross Frame Navigate Vulnerability Originally Posted: September 4, 1998 Last Revised: September 4, 1998 Summary ======Microsoft has released a patch that fixes a recently discovered issue with the implementation of cross frame security in Microsoft Internet Explorer. Customers using affected software listed below should download and apply these patches as soon as possible. Issue ====The Cross Frame Navigate issue involves a vulnerability in Internet Explorer that could allow a malicious hacker to circumvent certain Internet Explorer security safeguards. This vulnerability makes it possible for a malicious Web site operator to read the contents of files on your computer. While there have not been any reports of customers being adversely affected by these problems, Microsoft is releasing these patches to address the implied risks posed by these issues. Affected Software Versions =========================The following software is affected by this vulnerability: - Microsoft Internet Explorer 4.0, 4.01 and 4.01 SP1 on Windows NT 4.0, Windows 95 - Microsoft Windows 98, with integrated Internet Explorer (version 4.01 SP1) - Microsoft Internet Explorer 4.0 and 4.01 for Windows 3.1 and Windows NT 3.51 - Microsoft Internet Explorer 4.0 and 4.01 for Macintosh - Microsoft Internet Explorer 3.x This vulnerability could also affect software that uses HTML functionality provided by Internet Explorer. Anyone using such programs should download the patch even if they do not run Internet Explorer as their default browser. What Microsoft is Doing ======================On September 4th Microsoft released a patch that fixes the problem identified. This patch is available for download from the sites listed below. Microsoft has sent this security bulletin to customers subscribing to the Microsoft Product Security Notification Service (see http://www.microsoft.com/security/bulletin.htm for more information about this free customer service). Microsoft has published the following Knowledge Base (KB) articles on this issue: - Microsoft Knowledge Base (KB) article Q168485, Fix available for Internet Explorer Cross Frame Navigate Vulnerability http://support.microsoft.com/support/kb/articles/q168/4/85.asp What customers should do =======================Microsoft highly recommends that users of affected software versions, listed in the "Affected Software Versions" section above, should download and install the appropriate patch as soon as possible. Complete URLs for each affected software version is given below. Internet Explorer 4 ------------------- Customers using versions of Internet Explorer listed in the "Affected Products" section can obtain the patch from the Internet Explorer Security web site, http://www.microsoft.com/ie/security/xframe.htm Windows 98 ---------- Windows 98 customers can get the updated patch using the Windows Update. To obtain this patch using Windows Update, launch Windows Update from the Windows Start Menu and click "Product Updates." When prompted, select 'Yes' to allow Windows Update to determine whether this patch and other updates are needed by your computer. If your computer does need this patch, you will find it listed under the "Critical Updates" section of the page. Internet Explorer 3 Users ------------------------- Users of Internet Explorer 3 should first upgrade to the latest version of Internet Explorer 4 and then obtain the patch. Information on updating to Internet Explorer 4 can be found from the Internet Explorer download site http://www.microsoft.com/ie/download Additional Details =================In addition to the product guidelines above, you can determine if you have an affected version of mshtml.dll by following these instructions. In Windows 98, Windows 95, and Windows NT 4.0 --------------------------------------------->From the Start Menu select Find and choose Files or Folders.1. In the Named box, type mshtml.dll. 2. In the Look in box, click the down arrow and choose local hard drives from the list. 3. Click Find Now. 4. If mshtml.dll is not found, your system does not require the patch. 5. If mshtml.dll is found, right-click the file, select Properties, and then select the Version tab. 6. If the file version is less than 4.72.3509.0100, your system could be affected and we recommend that you download the patch. If the file version is greater than 4.72.3508.2400, your system does not need the patch. In Windows 3.1x --------------- 1. From the File Menu in File Manager, select Search. 2. In the Search For box, type mshtml16.dll. 3. In the Start From box, type your [drive]:\[windows directory]\SYSTEM (for example, C:\WINDOWS\SYSTEM). 4. Click OK. 5. If mshtml16.dll is not found, your system does not require the patch. 6. If mshtml16.dll is found, click the file, press Alt-Enter, and then check the Version information. 7. If the file version is equal to or less than 4.01.2509.0200, your system could be affected and we recommend that you download the patch. If the file version is greater than 4.01.2509.0200, your system does not need the patch. On a Macintosh -------------- 1. In Internet Explorer, click the Apple icon and select About Internet Explorer. 2. Look at the Internet Explorer version number in the bottom left corner of the dialog box. 3. If the version is 4.01 (PowerPC) or 4.01 (68k), your system could be affected and we recommend that you download the patch for Internet Explorer 4.01. 4. If the version is 4.0, your system could be affected and we recommend that you download Internet Explorer 4.01 and return to this page to download the patch. 5. If the version is 4.01 (310), you already have the patch and do not need to download it again. More Information ===============Please see the following references for more information related to this issue: - Microsoft Security Bulletin MS98-013, Fix available for Internet Explorer Cross Frame Navigate Vulnerability, (the Web posted version of this bulletin), http://www.microsoft.com/security/bulletins/ms98-013.htm - Internet Explorer Security Web site, Fix available for Internet Explorer Cross Frame Navigate Vulnerability, http://www.microsoft.com/ie/security/xframe.htm - Microsoft Knowledge Base (KB) article Q168485, Fix available for Internet Explorer Cross Frame Navigate Vulnerability http://support.microsoft.com/support/kb/articles/q168/4/85.asp Acknowledgements ===============Microsoft wishes to acknowledge the contributions of Georgi Guninski for originally reporting this problem. Revisions ======== - September 4, 1998: Bulletin Created For additional security-related information about Microsoft products, please visit http://www.microsoft.com/security -------------------------------------------------------------------- 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. (c) 1998 Microsoft and/or its suppliers. All rights reserved. For Terms of Use see http://support.microsoft.com/support/misc/cpyright.asp. ====================================================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/bulletin.htm. For security-related information about Microsoft products, please visit the Microsoft Security Advisor web site at http://www.microsoft.com/security.
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