Patch Available for OCX Attachment Vulnerability (274303)


The information in this article applies to:

  • Microsoft Outlook Express 5.5 for Windows NT 4.0
  • Microsoft Outlook Express 5.01 for Windows NT 4.0
  • Microsoft Outlook Express 5.5 for Windows 2000
  • Microsoft Outlook Express 5.0 for Windows NT 4.0
  • Microsoft Outlook Express 5.5 for Windows Millennium Edition
  • Microsoft Outlook Express 5.5 for Windows 98 Second Edition
  • Microsoft Outlook Express 5.01 for Windows 98 Second Edition
  • Microsoft Outlook Express 5.0 for Windows 98 Second Edition
  • Microsoft Outlook Express 5.5 for Windows 98
  • Microsoft Outlook Express 5.01 for Windows 98
  • Microsoft Outlook Express 5.0 for Windows 98
  • Microsoft Outlook Express 5.01 for Windows 2000
  • Microsoft Windows Media Player 7
  • Microsoft Outlook 2000
This article was previously published under Q274303

SYMPTOMS

Microsoft has released a patch that eliminates a security vulnerability that could enable a malicious user to create an e-mail attachment that could cause your e-mail program to shut down. This situation occurs when you close the affected e-mail message, resulting in the following error message:
This program has performed an illegal operation and will be shut down.
If you click Details, you may receive the following error message:
OUTLOOK caused an invalid page fault in module Wmp.ocx at address
NOTE: This vulnerability does not occur unless both Windows Media Player 7 and Outlook or Outlook Express are installed on your computer. This vulnerability does not cause any lasting effects. You can resume normal operation by restarting your mail program and deleting the affected mail. Although the affected ActiveX control (OCX) is associated with Windows Media Player, it poses no threat to Windows Media Player; the vulnerability can be used only against e-mail clients.

Additional information about this issue is available from the following Microsoft Web site:

http://www.microsoft.com/technet/security/bulletin/ms00-068.asp

RESOLUTION

The following file is available for download from the Microsoft Download Center:

Download Wmsu28412.exe now

For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to Obtain Microsoft Support Files from Online Services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file. The English version of this fix should have the following file attributes or later: 
   Date       Time    Version     Size     File name
   -------------------------------------------------
   9/19/2000  09:38a  7.0.0.1956  176,400  Wmp.ocx

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
Modification Type:MinorLast Reviewed:8/9/2004
Keywords:kbdownload kberrmsg kbgraphxlinkcritical kbprb KB274303
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