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  2. A cross-site scripting vulnerability in ISA Server 2006 allows for redirection to malicious sites

A cross-site scripting vulnerability in ISA Server 2006 allows for redirection to malicious sites

View products that this article applies to.

Symptoms

Consider the following scenario:
  • You publish a Web site in Microsoft Internet Security and Acceleration (ISA) Server 2006.
  • You configure standard forms-based authentication in the Web listener.
  • A client user is tricked into accessing a malicious a URL that abuses a vulnerability.
In this scenario, the user can be redirected to a malicious site that poses as a Web site that is published in ISA Server.

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Cause

This problem occurs because ISA Server 2006's forms-based authentication filter does not correctly cleanse the input data that is received from the user.

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Resolution

To resolve this problem, apply the hotfix rollup package that is described in the following Microsoft Knowledge Base article:
968078 MS09-016: Description of the ISA Server 2006 hotfix package: April 14, 2009

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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More information

For more information about this vulnerability, visit the following Microsoft Web site:
http://www.microsoft.com/technet/security/bulletin/ms09-016.mspx
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

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Keywords: KB968077, kbqfe, kbfix, kbbug, kbsurveynew

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Article Info
Article ID : 968077
Revision : 1
Created on : 4/14/2009
Published on : 4/14/2009
Exists online : False
Views : 557