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CERT Coordination Center


Microsoft Internet Explorer (IE) permits modification of URL displayed in address bar

Vulnerability Note VU#988768

Original Release Date: 2001-06-07 | Last Revised: 2001-06-07

Overview

A vulnerability exists in Microsoft Internet Explorer which could could enable an attacker to spoof trusted web sites.

Description

A vulnerability exists in Microsoft Internet Explorer. This vulnerability could enable a web page to display the URL
from a different web site in the IE address bar. This spoofing could occur within a valid SSL session with the impersonated site, meaning that a web site operator could make it appear that the content from his or her Web site actually originated from another site, even a trusted or secure Web site, when in fact, it did not.

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More information on this problem is available from Microsoft at:

http://www.microsoft.com/technet/security/bulletin/MS01-027.asp

Impact

This vulnerability could be used to convince a user that the intruder's web site was actually a different one - a web site that the user
trusts and might provide sensitive information to.

Solution

Apply the patch described in http://www.microsoft.com/technet/security/bulletin/MS01-027.asp

Vendor Information

988768
Expand all

Microsoft

Updated:  June 05, 2001

Status

  Vulnerable

Vendor Statement

Microsoft has published a security document regarding this vulnerability, the contents of which can be found at http://www.microsoft.com/technet/security/bulletin/MS01-027.asp

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us email.


CVSS Metrics

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A

References

Credit

Our thanks to Microsoft for the information contained in their bulletin.

This document was written by Ian A. Finlay and is based on information obtained from a Microsoft Security Advisory.

Other Information

CVE IDs: CVE-2001-0339
Date Public: 2001-05-17
Date First Published: 2001-06-07
Date Last Updated: 2001-06-07 19:24 UTC
Document Revision: 22

Sponsored by the Department of Homeland Security Office of Cybersecurity and Communications.