MS09-016: Description of the ISA Server 2006 hotfix package: April 14, 2009

Microsoft has released security bulletin MS09-016. To view the complete security bulletin, visit one of the following Microsoft Web sites:

• Home users:
  http://www.microsoft.com/protect/computer/updates/bulletins /200904.mspx (http://www.microsoft.com/protect/computer/updates/bulletins/200904.mspx)
  Skip the details: Download the updates for your home computer or laptop from the Microsoft Update Web site now:
  http://update.microsoft.com/microsoftupdate/ (http://update.microsoft.com/microsoftupdate/)
• IT professionals:
  http://www.microsoft.com/technet/security/bulletin/ms09-016.mspx (http://www.microsoft.com/technet/security/bulletin/ms09-016.mspx)

How to obtain help and support for this security update

For home users, no-charge support is available by calling 1-866-PCSAFETY in the United States and Canada or by contacting your local Microsoft subsidiary. For more information about how to contact your local Microsoft subsidiary for support issues with security updates, visit the Microsoft International Support Web site: North American customers can also obtain instant access to unlimited no-charge e-mail support or to unlimited individual chat support by visiting the following Microsoft Web site: For enterprise customers, support for security updates is available through your usual support contacts.

This security update fixes the following issues:

• 958951  (http://support.microsoft.com/kb/958951/ ) ISA Server stops accepting new requests after you configure Web publishing, Web proxy, or Automatic discovery
• 968077  (http://support.microsoft.com/kb/968077/ ) A cross-site scripting vulnerability in ISA Server 2006 allows for redirection to malicious sites

For more information about this vulnerability, click the following MSRC article for MS09-016:

The English (United States) version of this security update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For the original version of ISA Server 2006

For ISA Server 2006 with the Supportability Update installed

For ISA Server 2006 with Service Pack 1 installed

Installation information

Because three separate packages are supplied according to the minor release level, you must apply the appropriate package by following these instructions:

• If the release level of your installation is between the original release ISA Server 2006 and the supportability update, you must apply the ISA2006-RTM-KB968078-X86-<Lang>.msp package.
• If the release level of your installation is between the Supportability Update and Service Pack 1, you must apply the ISA2006-SUPP-KB968078-X86-<Lang>.msp package.
  
  For more information about the Supportability Update, click the following article number to view the article in the Microsoft Knowledge Base:
  939455  (http://support.microsoft.com/kb/939455/ ) Description of the Internet Security and Acceleration (ISA) Server 2006 Supportability Update package
• If the release level of your installation is Service Pack 1 or a later version, you must apply the ISA2006-SP1-KB968078-X86-<Lang>.msp package.

Restart requirement

You must restart the computer after you apply this hotfix.

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: