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Microsoft Security Bulletin MS06-029 - Important

Vulnerability in Microsoft Exchange Server Running Outlook Web Access Could Allow Script Injection (912442)

Published: June 13, 2006

Version: 1.0

Summary

Who should read this document: Customers who use Microsoft Exchange Server running Microsoft Outlook Web Access

Impact of Vulnerability: Remote Code Execution

Maximum Severity Rating: Important

Recommendation: Customers should consider applying the security update.

Security Update Replacement: None

Caveats: Microsoft Knowledge Base Article 912442 documents the currently known issues that customers may experience when they install this security update. The article also documents recommended solutions for these issues. For more information, see Microsoft Knowledge Base Article 912442.

Tested Software and Security Update Download Locations:

Affected Software:

The software in this list has been tested to determine whether the versions are affected. Other versions either no longer include security update support or may not be affected. To determine the support life cycle for your product and version, visit the Microsoft Support Lifecycle Web site.

For more information about the August 2004 Exchange 2000 Server Post-Service Pack 3 Update Rollup see Microsoft Knowledge Base Article 870540.

General Information

Executive Summary:

This update resolves a newly discovered, privately reported vulnerability. The vulnerability is documented in the “Vulnerability Details” section of this bulletin. An attacker who successfully exploited the vulnerability could perform script injection attacks.

We recommend that customers consider applying the security update.

Severity Ratings and Vulnerability Identifiers:

Vulnerability IdentifiersImpact of VulnerabilityMicrosoft Exchange 2000 ServerMicrosoft Exchange Server 2003 Service Pack 1 and Exchange Server 2003 Service Pack 2
Microsoft Exchange Server when running Outlook Web Access Vulnerability - CVE-2006-1193Remote Code ExecutionImportantImportant

This assessment is based on the types of systems that are affected by the vulnerability, their typical deployment patterns, and the effect that exploiting the vulnerability would have on them.

What are the known issues that customers may experience when they install this security update?
Microsoft Knowledge Base Article 912442 documents the currently known issues that customers may experience when they install this security update on Exchange Server 2003 Service Pack 1 and Exchange Server 2003 Service Pack 2. The article also documents recommended solutions for these issues. For more information, see Microsoft Knowledge Base Article 912442.
Microsoft Knowledge Base Article 912918 : Users cannot send e-mail messages from a mobile device or from a shared mailbox in Exchange 2000 Server and in Exchange Server 2003.

Does this update contain any security-related changes to functionality?
Yes. Besides the changes that are listed in the "Vulnerability Details" section of this bulletin, this update includes the following changes in security functionality:

Prior to the Exchange 2003 versions listed above, granting the Full Mailbox Access permission implicitly granted permission to send as the mailbox owner. This meant that another account with Full Mailbox Access could send messages that appeared as if they were sent by the mailbox owner. After applying the security update on Exchange Server 2003 Service Pack 1 or Exchange Server 2003 Service Pack 2, for a user to impersonate a mailbox owner, you will need to grant Send As permissions to the user. For more information, see Microsoft Knowledge Base Article 912918.

Can I use the Microsoft Baseline Security Analyzer (MBSA) to determine whether this update is required?


The following table provides the MBSA detection summary for this security update.

SoftwareMBSA 1.2.1MBSA 2.0
Microsoft Exchange 2000 ServerYesYes
Microsoft Exchange Server 2003 Service Pack 1YesYes
Microsoft Exchange Server 2003 Service Pack 2YesYes

For more information about MBSA, visit the MBSA Web site. For more information about the programs that Microsoft Update and MBSA 2.0 currently do not detect, see Microsoft Knowledge Base Article 895660

Can I use Systems Management Server (SMS) to determine whether this update is required?

The following table provides the SMS detection summary for this security update.

SoftwareSMS 2.0SMS 2003
Microsoft Exchange 2000 ServerYesYes
Microsoft Exchange Server 2003 Service Pack 1YesYes
Microsoft Exchange Server 2003 Service Pack 2YesYes

SMS uses MBSA for detection. Therefore, SMS has the same limitation that is listed earlier in this bulletin related to software that MBSA does not detect.

For SMS 2.0, the SMS SUS Feature Pack, which includes the Security Update Inventory Tool, can be used by SMS to detect security updates. SMS SUIT uses the MBSA 1.2.1 engine for detection. For more information about the Security Update Inventory Tool, visit the following Microsoft Web site. For more information about the limitations of the Security Update Inventory Tool, see Microsoft Knowledge Base Article 306460. The SMS SUS Feature Pack also includes the Microsoft Office Inventory Tool to detect required updates for Microsoft Office applications.

For SMS 2003, the SMS 2003 Inventory Tool for Microsoft Updates can be used by SMS to detect security updates that are offered by Microsoft Update and that are supported by Windows Server Update Services. For more information about the SMS 2003 Inventory Tool for Microsoft Updates, visit the following Microsoft Web site. SMS 2003 can also use the Microsoft Office Inventory Tool to detect required updates for Microsoft Office applications.

For more information about SMS, visit the SMS Web site.

Microsoft Exchange Server when running Outlook Web Access Vulnerability - CVE- CVE-2006-1193

A script injection vulnerability exists in Exchange Server running Outlook Web Access (OWA). An attacker could exploit the vulnerability by constructing an e-mail message with a specially crafted script. If this specially crafted script is run, it would execute in the security context of the user on the client. Attempts to exploit this vulnerability require user interaction.

Mitigations for Microsoft Exchange Server When Running Outlook Web Access Vulnerability - CVE- CVE-2006-1193:

  • To be affected, a user would have to use Outlook Web Access to read a specially crafted e-mail message.

Workarounds for Microsoft Exchange Server When Running Outlook Web Access Vulnerability - CVE- CVE-2006-1193:

Microsoft has tested the following workarounds. Although these workarounds will not correct the underlying vulnerability, they help block known attack vectors. When a workaround reduces functionality, it is identified in the following section.

  • Disable Outlook Web Access (OWA) on a computer running Exchange Server
    Disabling Outlook Web Access helps protect the affected system from attempts to exploit this vulnerability. To disable Outlook Web Access, follow these steps:
    1. Click Start, point to All Programs, point to Microsoft Exchange, and then click System Manager.
    2. Expand Servers, expand Server, expand Protocols, and then expand HTTP.
    3. Right-click Exchange Virtual Server, and then click Stop.

Note A red cross will appear over the Exchange Virtual Server icon, indicating it has been stopped. From now on, users will see a The Page Cannot Be Displayed error message when they try to access their e-mail through OWA.

Impact of Workaround: This workaround prevents users from accessing their mailboxes through Outlook Web Access (OWA), Outlook Mobile Access (OMA) and Exchange Server ActiveSync.

FAQ for Microsoft Exchange Server When Running Outlook Web Access Vulnerability - CVE-2006-1193:

What is the scope of the vulnerability?
A script injection vulnerability exists that could allow an attacker to run a malicious script. If this malicious script is run, it would run in the security context of the user on the client. The script could take any action on the user's computer that the Web site is authorized to take. These actions could include monitoring the user’s Web session and forwarding information to a third party, running other code on the user's system, and reading or writing cookies.

What is Outlook Web Access?
Microsoft Outlook Web Access (OWA) is a service of Exchange Server. By using OWA, a server that is running Exchange Server can also function as a Web site that lets authorized users read and send e-mail, manage their calendar, and perform other e-mail functions over the Internet.

What causes the vulnerability?
This vulnerability is caused by the way that Outlook Web Access incorrectly filtering script under certain circumstances within an e-mail message.

How could an attacker exploit the vulnerability?
An attacker could try to exploit this vulnerability by sending a specially crafted message to a user. The user would then have to open the message by using Outlook Web Access. The message could then cause the affected system to run script in the context of the user’s Outlook Web Access session.

What users are primarily at risk from the vulnerability?
Users who are using Microsoft Exchange Outlook Web Access to read e-mail are primarily at risk.

What does the update do?
The update removes the vulnerability by modifying the way that Outlook Web Access handles HTML parsing.

When this security bulletin was issued, had this vulnerability been publicly disclosed?
No. Microsoft received information about this vulnerability through responsible disclosure. Microsoft had not received any information to indicate that this vulnerability had been publicly disclosed when this security bulletin was originally issued.

When this security bulletin was issued, had Microsoft received any reports that this vulnerability was being exploited?
No. Microsoft had not received any information to indicate that this vulnerability had been publicly used to attack customers and had not seen any examples of proof of concept code published when this security bulletin was originally issued.

Affected Software:

For information about the specific security update for your affected software, click the appropriate link:

Exchange Server 2003 Service Pack 2

Prerequisites:

This security update requires Exchange Server 2003 Service Pack 2.

Inclusion in service packs:

The update for this issue may be included in a future service pack or update rollup. No service pack or update rollup are planned at the release of this security bulletin.

Installation Information:

This security update supports the following setup switches.

Supported Security Update Installation Switches
SwitchDescription
/help Displays the command-line options.
Setup Modes
/passive Unattended Setup mode. No user interaction is required, but installation status is displayed. If a restart is required at the end of setup, a dialog box will be presented to the user with a timer warning that the computer will restart in 30 seconds.
/quiet Quiet mode. This is the same as unattended mode, but no status or error messages are displayed.
Restart Options
/norestart Does not restart when installation has completed.
/forcerestart Restarts the computer after installation and force other applications to close at shutdown without saving open files first.
/warnrestart[:x] Presents a dialog box with a timer warning the user that the computer will restart in x seconds. (The default setting is 30 seconds.) Intended for use with the /quiet switch or the /passive switch.
/promptrestart Display a dialog box prompting the local user to allow a restart.
Special Options
/overwriteoem Overwrites OEM files without prompting.
/nobackup Does not back up files needed for uninstallation.
/forceappsclose Forces other programs to close when the computer shuts down.
/log:path Allows the redirection of installation log files.
/integrate:path Integrates the update into the Windows source files. These files are located at the path that is specified in the switch.
/extract[:path] Extracts files without starting the Setup program.
/ER Enables extended error reporting.
/verbose Enables verbose logging. During installation, creates %Windir%\CabBuild.log. This log details the files that are copied. Using this switch may cause the installation to proceed more slowly.

Note You can combine these switches into one command. For backward compatibility, the security update also supports the setup switches that the earlier version of the setup program uses. For more information about the supported installation switches, see Microsoft Knowledge Base Article 262841. For more information about the Update.exe installer, visit the Microsoft TechNet Web site.

Deployment Information

To install the security update without any user intervention, use the following command at a command prompt:

Exchange2003-KB912442-x86-enu /quiet

Restart Requirement:

This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart. To help reduce the chance that a reboot will be required, stop all affected services and close all applications that may use the affected files prior to installing the security update. For more information about the reasons why you may be prompted to restart your computer, see Microsoft Knowledge Base Article 887012.

Removal Information:

To remove this update, use Add or Remove Programs in Control Panel.

System administrators can use the Spuninst.exe utility to remove this security update. The Spuninst.exe utility is located in the %Windir%\$ExchUninstall912442$\Spuninst folder.

Supported Spuninst.exe Switches
SwitchDescription
/help Displays the command-line options
Setup Modes
/passive Unattended Setup mode. No user interaction is required, but installation status is displayed. If a restart is required at the end of setup, a dialog box will be presented to the user with a timer warning that the computer will restart in 30 seconds.
/quiet Quiet mode. This is the same as unattended mode, but no status or error messages are displayed.
Restart Options
/norestart Does not restart when installation has completed.
/forcerestart Restarts the computer after installation and force other applications to close at shutdown without saving open files first.
/warnrestart[:x] Presents a dialog box with a timer warning the user that the computer will restart in x seconds. (The default setting is 30 seconds.) Intended for use with the /quiet switch or the /passive switch.
/promptrestart Display a dialog box prompting the local user to allow a restart.
Special Options
/forceappsclose Forces other programs to close when the computer shuts down.
/log:path Allows the redirection of installation log files.

File Information:

The English version of this fix has the file attributes (or later) 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 tool in Control Panel.

Exchange Server 2003 Service Pack 2:

File NameVersionDateTimeSize
Mdbmsg.dll6.5.7650.2831-Jan-200621:103,351,040
Store.exe6.5.7650.2831-Jan-200622:185,249,536

Verifying that the Update Has Been Applied

  • Microsoft Baseline Security Analyzer

    To verify that a security update has been applied to an affected system, you may be able to use the Microsoft Baseline Security Analyzer (MBSA) tool. MBSA allows administrators to scan local and remote systems for missing security updates and for common security misconfigurations. For more information about MBSA, visit the Microsoft Baseline Security Analyzer Web site.

  • File Version Verification

    Note Because there are several versions of Microsoft Windows, the following steps may be different on your computer. If they are, see your product documentation to complete these steps.

    1. Click Start, and then click Search.
    2. In the Search Results pane, click All files and folders under Search Companion.
    3. In the All or part of the file name box, type a file name from the appropriate file information table, and then click Search.
    4. In the list of files, right-click a file name from the appropriate file information table, and then click Properties.

      Note Depending on the version of the operating system or programs installed, some of the files that are listed in the file information table may not be installed.
    5. On the Version tab, determine the version of the file that is installed on your computer by comparing it to the version that is documented in the appropriate file information table.

      Note Attributes other than the file version may change during installation. Comparing other file attributes to the information in the file information table is not a supported method of verifying that the update has been applied. Also, in certain cases, files may be renamed during installation. If the file or version information is not present, use one of the other available methods to verify update installation.
  • Registry Key Verification

    You may also be able to verify the files that this security update has installed by reviewing the following registry key:

    HKEY_LOCAl_MACHINE\SOFTWARE\Microsoft\Updates\Exchange Server 2003\SP3\KB912442\Filelist

Note This registry key may not contain a complete list of installed files. Also, this registry key may not be created correctly when an administrator or an OEM integrates or slipstreams the KB912442 security update into the Windows installation source files.

Exchange Server 2003 Service Pack 1

Prerequisites:

This security update requires Exchange Server 2003 Service Pack 1.

Inclusion in service packs:

The update for this issue may be included in a future service pack or update rollup. No service pack or update rollup are planned at the release of this security bulletin.

Installation Information:

This security update supports the following setup switches.

Supported Security Update Installation Switches
SwitchDescription
/help Displays the command-line options.
Setup Modes
/passive Unattended Setup mode. No user interaction is required, but installation status is displayed. If a restart is required at the end of setup, a dialog box will be presented to the user with a timer warning that the computer will restart in 30 seconds.
/quiet Quiet mode. This is the same as unattended mode, but no status or error messages are displayed.
Restart Options
/norestart Does not restart when installation has completed.
/forcerestart Restarts the computer after installation and force other applications to close at shutdown without saving open files first.
/warnrestart[:x] Presents a dialog box with a timer warning the user that the computer will restart in x seconds. (The default setting is 30 seconds.) Intended for use with the /quiet switch or the /passive switch.
/promptrestart Display a dialog box prompting the local user to allow a restart.
Special Options
/overwriteoem Overwrites OEM files without prompting.
/nobackup Does not back up files needed for uninstallation.
/forceappsclose Forces other programs to close when the computer shuts down.
/log:path Allows the redirection of installation log files.
/integrate:path Integrates the update into the Windows source files. These files are located at the path that is specified in the switch.
/extract[:path] Extracts files without starting the Setup program.
/ER Enables extended error reporting.
/verbose Enables verbose logging. During installation, creates %Windir%\CabBuild.log. This log details the files that are copied. Using this switch may cause the installation to proceed more slowly.

Note You can combine these switches into one command. For backward compatibility, the security update also supports the setup switches that the earlier version of the Setup program uses. For more information about the supported installation switches, see Microsoft Knowledge Base Article 262841. For more information about the Update.exe installer, visit the Microsoft TechNet Web site.

Deployment Information

To install the security update without any user intervention, use the following command at a command prompt:

Exchange2003-KB912442-x86-enu /quiet

Restart Requirement:

This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart. To help reduce the chance that a reboot will be required, stop all affected services and close all applications that may use the affected files prior to installing the security update. For more information about the reasons why you may be prompted to restart your computer, see Microsoft Knowledge Base Article 887012.

Removal Information:

To remove this update, use Add or Remove Programs in Control Panel.

System administrators can use the Spuninst.exe utility to remove this security update. The Spuninst.exe utility is located in the %Windir%\$ExchUninstall912442$\Spuninst folder.

Supported Spuninst.exe Switches
SwitchDescription
/help Displays the command-line options
Setup Modes
/passive Unattended Setup mode. No user interaction is required, but installation status is displayed. If a restart is required at the end of setup, a dialog box will be presented to the user with a timer warning that the computer will restart in 30 seconds.
/quiet Quiet mode. This is the same as unattended mode, but no status or error messages are displayed.
Restart Options
/norestart Does not restart when installation has completed.
/forcerestart Restarts the computer after installation and force other applications to close at shutdown without saving open files first.
/warnrestart[:x] Presents a dialog box with a timer warning the user that the computer will restart in x seconds. (The default setting is 30 seconds.) Intended for use with the /quiet switch or the /passive switch.
/promptrestart Display a dialog box prompting the local user to allow a restart.
Special Options
/forceappsclose Forces other programs to close when the computer shuts down.
/log:path Allows the redirection of installation log files.

File Information:

The English version of this fix has the file attributes (or later) 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 tool in Control Panel.

Exchange Server 2003 Service Pack 1:

File NameVersionDateTimeSize
Mdbmsg.dll6.5.7233.6928-Jan-200601:193,269,632
Store.exe6.5.7233.6928-Jan-200601:034,834,816

Verifying that the Update Has Been Applied

  • Microsoft Baseline Security Analyzer

    To verify that a security update has been applied to an affected system, you may be able to use the Microsoft Baseline Security Analyzer (MBSA) tool. MBSA allows administrators to scan local and remote systems for missing security updates and for common security misconfigurations. For more information about MBSA, visit the Microsoft Baseline Security Analyzer Web site.

  • File Version Verification

    Note Because there are several versions of Microsoft Windows, the following steps may be different on your computer. If they are, see your product documentation to complete these steps.

    1. Click Start, and then click Search.
    2. In the Search Results pane, click All files and folders under Search Companion.
    3. In the All or part of the file name box, type a file name from the appropriate file information table, and then click Search.
    4. In the list of files, right-click a file name from the appropriate file information table, and then click Properties.

      Note Depending on the version of the operating system or programs installed, some of the files that are listed in the file information table may not be installed.
    5. On the Version tab, determine the version of the file that is installed on your computer by comparing it to the version that is documented in the appropriate file information table.

      Note Attributes other than the file version may change during installation. Comparing other file attributes to the information in the file information table is not a supported method of verifying that the update has been applied. Also, in certain cases, files may be renamed during installation. If the file or version information is not present, use one of the other available methods to verify update installation.
  • Registry Key Verification

    You may also be able to verify the files that this security update has installed by reviewing the following registry key:

    HKEY_LOCAl_MACHINE\SOFTWARE\Microsoft\Updates\Exchange Server 2003\SP2\KB912442\Filelist

Note This registry key may not contain a complete list of installed files. Also, this registry key may not be created correctly when an administrator or an OEM integrates or slipstreams the KB912442 security update into the Windows installation source files.

with Update Rollup 870540

Prerequisites:

This security update requires Exchange 2000 Server Service Pack 3 with the Exchange 2000 Server Post-Service Pack 3 (SP3) Update Rollup. For more information, see Microsoft Knowledge Base Article 870540. To download the prerequisite update, visit this Web site.

Inclusion in Service Packs:

The update for this issue may be included in an update rollup. No update rollup is planned at the time of the release of this security bulletin.

Installation Information:

This security update supports the following setup switches.

Supported Security Update Installation Switches
SwitchDescription
/help Displays the command-line options.
Setup Modes
/passive Unattended Setup mode. No user interaction is required, but installation status is displayed. If a restart is required at the end of setup, a dialog box will be presented to the user with a timer warning that the computer will restart in 30 seconds.
/quiet Quiet mode. This is the same as unattended mode, but no status or error messages are displayed.
Restart Options
/norestart Does not restart when installation has completed.
/forcerestart Restarts the computer after installation and force other applications to close at shutdown without saving open files first.
/warnrestart[:x] Presents a dialog box with a timer warning the user that the computer will restart in x seconds. (The default setting is 30 seconds.) Intended for use with the /quiet switch or the /passive switch.
/promptrestart Display a dialog box prompting the local user to allow a restart.
Special Options
/overwriteoem Overwrites OEM files without prompting.
/nobackup Does not back up files needed for uninstallation.
/forceappsclose Forces other programs to close when the computer shuts down.
/log:path Allows the redirection of installation log files.
/integrate:path Integrates the update into the Windows source files. These files are located at the path that is specified in the switch.
/extract[:path] Extracts files without starting the Setup program.
/ER Enables extended error reporting.
/verbose Enables verbose logging. During installation, creates %Windir%\CabBuild.log. This log details the files that are copied. Using this switch may cause the installation to proceed more slowly.

Note You can combine these switches into one command. For backward compatibility, the security update also supports the setup switches that the earlier version of the Setup program uses. For more information about the supported installation switches, see Microsoft Knowledge Base Article 262841. For more information about the Update.exe installer, visit the Microsoft TechNet Web site.

Deployment Information

To install the security update without any user intervention, use the following command at a command prompt:

Exchange2000-KB912442-x86-enu /quiet

Restart Requirement:

This update does not require a restart. The installer stops the required services, applies the update, and then restarts the services. However, if the required services cannot be stopped for any reason, or if required files are being used, this update will require a restart. If this behavior occurs, a message appears that advises you to restart. To help reduce the chance that a reboot will be required, stop all affected services and close all applications that may use the affected files prior to installing the security update. For more information about the reasons why you may be prompted to restart your computer, see Microsoft Knowledge Base Article 887012.

Removal Information:

To remove this update, use Add or Remove Programs in Control Panel.

System administrators can use the Spuninst.exe utility to remove this security update. The Spuninst.exe utility is located in the %Windir%\$ExchUninstall912442$\Spuninst folder.

Supported Spuninst.exe Switches
SwitchDescription
/help Displays the command-line options.
Setup Modes
/passive Unattended Setup mode. No user interaction is required, but installation status is displayed. If a restart is required at the end of setup, a dialog box will be presented to the user with a timer warning that the computer will restart in 30 seconds.
/quiet Quiet mode. This is the same as unattended mode, but no status or error messages are displayed.
Restart Options
/norestart Does not restart when installation has completed.
/forcerestart Restarts the computer after installation and force other applications to close at shutdown without saving open files first.
/warnrestart[:x] Presents a dialog box with a timer warning the user that the computer will restart in x seconds. (The default setting is 30 seconds.) Intended for use with the /quiet switch or the /passive switch.
/promptrestart Display a dialog box prompting the local user to allow a restart.
Special Options
/forceappsclose Forces other programs to close when the computer shuts down.
/log:path Allows the redirection of installation log files.

File Information:

The English version of this fix has the file attributes (or later) 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 tool in Control Panel.

Exchange 2000 Server Service Pack 3:

File NameVersionDateTimeSize
Mdbmsg.dll6.0.6618.431-Jan-200605:212,342,912
Store.exe6.0.6618.431-Jan-200619:044,714,496

Verifying that the Update Has Been Applied

  • Microsoft Baseline Security Analyzer

    To verify that a security update has been applied to an affected system, you may be able to use the Microsoft Baseline Security Analyzer (MBSA) tool. MBSA allows administrators to scan local and remote systems for missing security updates and for common security misconfigurations. For more information about MBSA, visit the Microsoft Baseline Security Analyzer Web site.

  • File Version Verification

    Note Because there are several versions of Microsoft Windows, the following steps may be different on your computer. If they are, see your product documentation to complete these steps.

    1. Click Start, and then click Search.
    2. In the Search Results pane, click All files and folders under Search Companion.
    3. In the All or part of the file name box, type a file name from the appropriate file information table, and then click Search.
    4. In the list of files, right-click a file name from the appropriate file information table, and then click Properties.

      Note Depending on the version of the operating system or programs installed, some of the files that are listed in the file information table may not be installed.
    5. On the Version tab, determine the version of the file that is installed on your computer by comparing it to the version that is documented in the appropriate file information table.

      Note Attributes other than the file version may change during installation. Comparing other file attributes to the information in the file information table is not a supported method of verifying that the update has been applied. Also, in certain cases, files may be renamed during installation. If the file or version information is not present, use one of the other available methods to verify update installation.
  • Registry Key Verification

    You may also be able to verify the files that this security update has installed by reviewing the following registry key:

    HKEY_LOCAl_MACHINE\SOFTWARE\Microsoft\Updates\Exchange Server 2000\SP4\KB912442\Filelist

Note This registry key may not contain a complete list of installed files. Also, this registry key may not be created correctly when an administrator or an OEM integrates or slipstreams the KB912442 security update into the Windows installation source files.

Other Information

Acknowledgments

Microsoft thanks the following for working with us to help protect customers:

  • Daniel Fabian of SEC Consult for reporting the Microsoft Exchange Server when running Outlook Web Access Vulnerability - CVE-2006-1193

Obtaining Other Security Updates:

Updates for other security issues are available at the following locations:

Support:

  • Customers in the U.S. and Canada can receive technical support from Microsoft Product Support Services at 1-866-PCSAFETY. There is no charge for support calls that are associated with security updates.
  • International customers can receive support from their local Microsoft subsidiaries. There is no charge for support that is associated with security updates. For more information about how to contact Microsoft for support issues, visit the International Support Web site.

Security Resources:

Software Update Services:

By using Microsoft Software Update Services (SUS), administrators can quickly and reliably deploy the latest critical updates and security updates to Windows 2000 and Windows Server 2003-based servers, and to desktop systems that are running Windows 2000 Professional or Windows XP Professional.

For more information about how to deploy security updates by using Software Update Services, visit the Software Update Services Web site.

Windows Server Update Services:

By using Windows Server Update Services (WSUS), administrators can quickly and reliably deploy the latest critical updates and security updates for Windows 2000 operating systems and later, Office XP and later, Exchange Server 2003, and SQL Server 2000 onto Windows 2000 and later operating systems.

For more information about how to deploy security updates using Windows Server Update Services, visit the Windows Server Update Services Web site.

Systems Management Server:

Microsoft Systems Management Server (SMS) delivers a highly-configurable enterprise solution for managing updates. By using SMS, administrators can identify Windows-based systems that require security updates and can perform controlled deployment of these updates throughout the enterprise with minimal disruption to end users. For more information about how administrators can use SMS 2003 to deploy security updates, visit the SMS 2003 Security Patch Management Web site. SMS 2.0 users can also use Software Updates Service Feature Pack to help deploy security updates. For information about SMS, visit the SMS Web site.

Note SMS uses the Microsoft Baseline Security Analyzer, the Microsoft Office Detection Tool, and the Enterprise Update Scanning Tool to provide broad support for security bulletin update detection and deployment. Some software updates may not be detected by these tools. Administrators can use the inventory capabilities of the SMS in these cases to target updates to specific systems. For more information about this procedure, visit the following Web site. Some security updates require administrative rights following a restart of the system. Administrators can use the Elevated Rights Deployment Tool (available in the SMS 2003 Administration Feature Pack and in the SMS 2.0 Administration Feature Pack) to install these updates.

Disclaimer:

The information provided in the Microsoft Knowledge Base is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

Revisions:

  • V1.0 (June 13, 2006): Bulletin published.

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