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Update Available for the "Frame Domain Verification" Issue

This article was previously published under Q251108
This article has been archived. It is offered "as is" and will no longer be updated.

On March 6, 2001 Microsoft released information regarding a new variant of this vulnerability. For information on the variant and where to download the patch, see the following Microsoft Web site:
SUMMARY
Microsoft has released an update to Internet Explorer that addresses apotential security issue where a malicious web site operator could view files on the computer of a visiting user. The web site operator would need to know (or guess) the name and location of the file, and could only view file types that can be opened in a browser window.

Additional information about this issue is available from the following Microsoft Web site:For additional information about the latest service pack for Internet Explorer 5.01, click the article number below to view the article in the Microsoft Knowledge Base:
267954 How to Obtain the Latest Internet Explorer 5.01 Service Pack
MORE INFORMATION
When a web server opens a frame within a window, the Internet Explorer security model should only allow the parent window to access the data in the frame if they are in the same domain. However, two functions available in Internet Explorer do not properly perform domain checking, with the result that the parent window could open a frame that contains a file on the local computer, then read it. This could allow a malicious web site operator to view files on the computer of a visiting user.

For additional information about resolving this problem, click the article number below to view the article in the Microsoft Knowledge Base:
262509 Patch Available for "Frame Domain Verification", "Unauthorized Cookie Access", "Malformed Component Attribute", and "WPAD Spoofing" Vulnerabilities
Properties

Article ID: 251108 - Last Review: 10/20/2013 16:57:48 - Revision: 4.1

Microsoft Internet Explorer 5.01, Microsoft Internet Explorer 5.0, Microsoft Internet Explorer 4.01 Service Pack 1, Microsoft Internet Explorer 4.01 Service Pack 2, Microsoft Internet Explorer 4.0 128-Bit Edition, Microsoft Internet Explorer 5.01, Microsoft Internet Explorer 5.01, Microsoft Internet Explorer 5.0, Microsoft Internet Explorer 4.01 Service Pack 2, Microsoft Internet Explorer 5.01, Microsoft Internet Explorer 5.0, Microsoft Internet Explorer 4.01 Service Pack 1, Microsoft Internet Explorer 4.01 Service Pack 2

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