Microsoft Security Bulletin MS05-002 Vulnerability in Cursor and Icon Format Handling Could Allow Remote Code Execution (891711)

Microsoft Security Bulletin MS05-002
Vulnerability in Cursor and Icon Format Handling Could Allow Remote Code Execution (891711)

Issued: January 11, 2005
Version: 1.0

Summary
Who should read this document: Customers using Microsoft Windows

Impact of Vulnerability: Remote Code Execution

Maximum Severity Rating: Critical

Recommendation: Customers should apply the update immediately.

Security Update Replacement: This bulletin replaces a prior security update. See the frequently asked questions (FAQ) section of this bulletin for more information.

Caveats: None

Tested Software and Security Update Download Locations:

Affected Software:

• Microsoft Windows NT Server 4.0 Service Pack 6a – Download the update

• Microsoft Windows NT Server 4.0 Terminal Server Edition Service Pack 6 – Download the update

• Microsoft Windows 2000 Service Pack 3 and Microsoft Windows 2000 Service Pack 4 – Download the update

• Microsoft Windows XP Service Pack 1 – Download the update

• Microsoft Windows XP 64-Bit Edition Service Pack 1 – Download the update

• Microsoft Windows XP 64-Bit Edition Version 2003 – Download the update

• Microsoft Windows Server 2003 – Download the update

• Microsoft Windows Server 2003 64-Bit Edition – Download the update

• Microsoft Windows 98, Microsoft Windows 98 Second Edition (SE), and Microsoft Windows Millennium Edition (Me) – Review the FAQ section of this bulletin for details about these operating systems.

Non-Affected Software:

• Microsoft Windows XP Service Pack 2

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

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General Information
Executive Summary

Executive Summary:

This update resolves several newly-discovered, privately reported and public vulnerabilities. Each vulnerability is documented in this bulletin in its own Vulnerability Details section.

An attacker who successfully exploited the most severe of these vulnerabilities could take complete control of an affected system, install programs; view, change, or delete data; or create new accounts that have full privileges.

We recommend that customers apply the update immediately.

Severity Ratings and Vulnerability Identifiers:

Vulnerability Identifiers Impact of Vulnerability Windows 98, 98 SE, ME Windows NT 4.0 Windows 2000 Windows XP Windows Server 2003
Cursor and Icon Format Handling Vulnerability - CAN-2004-1049
Remote Code Execution
Critical
Critical
Critical
Critical
Critical

Windows Kernel Vulnerability - CAN-2004-1305
Denial of Service
Important
Important
Important
Important
Important

Aggregate Severity of All Vulnerabilities

Critical
Critical
Critical
Critical
Critical

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.

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Frequently asked questions (FAQ) related to this security update

What updates does this release replace?
This security update replaces a prior security bulletin. The security bulletin ID and operating systems that are affected are listed in the following table.

Bulletin ID Windows 98, 98 SE, ME Windows NT 4.0 Windows 2000 Windows XP Windows Server 2003
MS03-045
Not Applicable
Replaced
Replaced
Replaced
Replaced

How does the extended support for Windows 98, Windows 98 Second Edition, and Windows Millennium Edition affect the release of security updates for these operating systems?
Microsoft will only release security updates for critical security issues. Non-critical security issues are not offered during this support period. For more information about the Microsoft Support Lifecycle policies for these operating systems, visit the following Web site. For more information about severity ratings, visit the following Web site.

Note Critical security updates for these platforms may not be available concurrently with the other security updates provided as part of this security bulletin. They will be made available as soon as possible following the release. When these security updates are available, you will be able to download them only from the Windows Update Web site.

Are Windows 98, Windows 98 Second Edition, or Windows Millennium Edition critically affected by any of the vulnerabilities that are addressed in this security bulletin?
Yes. Windows 98, Windows 98 Second Edition, and Windows Millennium Edition are critically affected by this vulnerability. Critical security updates for these platforms will not be available concurrently with the other security updates provided as part of this security bulletin. They will be made available as soon as possible following the release. When these security updates are available, you will be able to download them only from the Windows Update Web site. For more information about severity ratings, visit the following Web site.

I am still using Microsoft Windows NT 4.0 Workstation Service Pack 6a or Windows 2000 Service Pack 2, but extended security update support ended on June 30, 2004. What should I do?
Windows NT 4.0 Workstation Service Pack 6a and Windows 2000 Service Pack 2 have reached the end of their life cycles as previously documented. Microsoft extended this support to June 30, 2004.

It should be a priority for customers who have these operating system versions to migrate to supported versions to prevent potential exposure to vulnerabilities. For more information about the Windows Product Life Cycle, visit the following Microsoft Support Lifecycle Web site. For more information about the extended security update support period for these operating system versions, visit the following Microsoft Product Support Services Web site.

Customers who require additional support for Windows NT Workstation 4.0 SP6a must contact their Microsoft account team representative, their Technical Account Manager, or the appropriate Microsoft partner representative for custom support options. Customers who do not have an Alliance, Premier, or Authorized Contract can contact their local Microsoft sales office. For contact information, visit the Microsoft Worldwide Information Web site, select the country, and then click Go to see a list of telephone numbers. When you call, ask to speak with the local Premier Support sales manager.

For more information, see the Windows Operating System FAQ.

I am still using Windows XP, but extended security update support ended on September 30th, 2004.

The original version of Windows XP, commonly known as Windows XP Gold or Windows XP Release to Manufacturing (RTM) version, reached the end of its extended security update support life cycle on September 30, 2004.

It should be a priority for customers who have this operating system version to migrate to supported operating system versions to prevent potential exposure to vulnerabilities. For more information about the Windows Service Pack Product Life Cycle, visit the Microsoft Support Lifecycle Web site. For more information about the Windows Product Life Cycle, visit the Microsoft Support Lifecycle Web site.

For more information, visit the Windows Operating System FAQ.

I am still using Windows NT 4.0 Server, but extended security update support ended on December 31st, 2004. However, this bulletin has a security update for this operating system version. Why is that?

Windows NT 4.0 Server Service Pack 6a and Windows NT 4.0 Server Terminal Server Edition Service Pack 6 reached the end of their life cycles on December 31, 2004. In this case, the majority of the steps that are required to address this vulnerability were completed before this date. Therefore, we have decided to release a security update for this operating system version as part of this security bulletin.

We do not anticipate doing this for future vulnerabilities that may affect this operating system version, but we reserve the right to produce updates and to make these updates available when necessary. It should be a priority for customers who have this operating system version to migrate to supported operating system versions to prevent potential exposure to vulnerabilities. For more information about the Windows Service Pack Product Life Cycle, visit the Microsoft Support Lifecycle Web site. For more information about the Windows Product Life Cycle, visit the Microsoft Support Lifecycle Web site.

For more information, visit the Windows Operating System FAQ.

Can I use the Microsoft Baseline Security Analyzer (MBSA) to determine if this update is required?
Yes. MBSA will determine if this update is required. For more information about MBSA, visit the MBSA Web site.

Note After April 20, 2004, the Mssecure.xml file that is used by MBSA 1.1.1 and earlier versions is no longer being updated with new security bulletin data. Therefore, scans that are performed after that date with MBSA 1.1.1 or earlier will be incomplete. All users should upgrade to MBSA 1.2 because it provides more accurate security update detection and supports additional products. Users can download MBSA 1.2 from the MBSA Web site. For more information about MBSA support, visit the following Microsoft Baseline Security Analyzer 1.2 Q&A Web site.

Can I use Systems Management Server (SMS) to determine if this update is required?
Yes. SMS can help detect and deploy this security update. For information about SMS, visit the SMS Web site.

The Security Update Inventory Tool is required for detecting Microsoft Windows and other affected Microsoft products. For more information about the limitations of the Security Update Inventory Tool, see Microsoft Knowledge Base Article 306460.

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Vulnerability Details

Cursor and Icon Format Handling Vulnerability - CAN-2004-1049:

A remote code execution vulnerability exists in the way that cursor, animated cursor, and icon formats are handled. An attacker could try to exploit the vulnerability by constructing a malicious cursor or icon file that could potentially allow remote code execution if a user visited a malicious Web site or viewed a malicious e-mail message. An attacker who successfully exploited this vulnerability could take complete control of an affected system.

Mitigating Factors for Cursor and Icon Format Handling Vulnerability - CAN-2004-1049:

• In a Web-based attack scenario, an attacker would have to host a Web site that contains a Web page that is used to exploit this vulnerability. An attacker could also attempt to compromise a Web site to have it serve up a Web page with malicious content attempting to exploit this vulnerability. An attacker would have no way to force users to visit a Web site. Instead, an attacker would have to persuade them to visit the Web site, typically by getting them to click a link that takes them to the attacker's site or a site compromised by the attacker.

• By default, Outlook Express 6, Outlook 2002, and Outlook 2003 open HTML e-mail messages in the Restricted sites zone. Additionally, Outlook 2000 opens HTML e-mail messages in the Restricted sites zone if the Outlook E-mail Security Update has been installed. Outlook Express 5.5 Service Pack 2 opens HTML e-mail messages in the Restricted sites zone if Microsoft Security Bulletin MS04-018 has been installed. The Restricted sites zone helps reduce attacks that could attempt to exploit this vulnerability.

The risk of attack from the HTML e-mail vector can be significantly reduced if you meet all the following conditions:

• Apply the update that is included with Microsoft Security Bulletin MS03-040 or a later Cumulative Security Update for Internet Explorer.

• Use Internet Explorer 6 or later.

• Use the Microsoft Outlook E-mail Security Update, use Microsoft Outlook Express 6 or later, or use Microsoft Outlook 2000 Service Pack 2 or later in its default configuration.

• Microsoft Windows XP Service Pack 2 is not affected by this vulnerability.

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Workarounds for Cursor and Icon Format Handling Vulnerability - CAN-2004-1049:

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

• Install the Outlook E-mail Security Update if you are using Outlook 2000 SP1 or earlier.

By default, Outlook Express 6, Outlook 2002 and Outlook 2003 open HTML e-mail messages in the Restricted sites zone. Additionally, Outlook 2000 opens HTML e-mail messages in the Restricted sites zone if the Outlook E-mail Security Update has been installed.

Outlook Express 5.5 Service Pack 2 opens HTML e-mail messages in the Restricted sites zone if Microsoft Security Bulletin MS04-018 has been installed. Customers who use any of these products could be at a reduced risk from an e-mail-borne attack that tries to exploit this vulnerability unless the user clicks a malicious link in the e-mail message.

• Read e-mail messages in plain text format if you are using Outlook 2002 or later, or Outlook Express 6 SP1 or later, to help protect yourself from the HTML e-mail attack vector.

Microsoft Outlook 2002 users who have applied Office XP Service Pack 1 or later and Microsoft Outlook Express 6 users who have applied Internet Explorer 6 Service Pack 1 can enable this setting and view e-mail messages that are not digitally signed or e-mail messages that are not encrypted in plain text only.

Digitally signed e-mail messages or encrypted e-mail messages are not affected by the setting and may be read in their original formats. For more information about enabling this setting in Outlook 2002, see Microsoft Knowledge Base Article 307594.

For information about this setting in Outlook Express 6, see Microsoft Knowledge Base Article 291387.

Impact of Workaround: E-mail messages that are viewed in plain text format will not contain pictures, specialized fonts, animations, or other rich content. In addition:

• The changes are applied to the preview pane and to open messages.

• Pictures become attachments so that they are not lost.

• Because the message is still in Rich Text or HTML format in the store, the object model (custom code solutions) may behave unexpectedly.

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FAQ for Cursor and Icon Format Handling Vulnerability - CAN-2004-1049:

What is the scope of the vulnerability?
This is a remote code execution vulnerability. If a user is logged on with administrative privileges, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full privileges. However, user interaction is required to exploit this vulnerability. Users whose accounts are configured to have fewer privileges on the system could be less impacted than users who operate with administrative privileges.

What causes the vulnerability?
This vulnerability exists due to insufficient format validation prior to rendering cursors, animated cursors, and icons.

What might an attacker use the vulnerability to do?
An attacker who successfully exploited this vulnerability could take complete control of the affected system.

How could an attacker exploit the vulnerability?
An attacker could try to exploit the vulnerability by creating a specially crafted web page. An attacker could also create a specially-crafted email message and send it to an affected system. Upon viewing web page, preview or reading a malicious message, the attacker could cause the affected system to execute code.

What systems are primarily at risk from the vulnerability?
Workstations and terminal servers are primarily at risk. Servers are only at risk if users who do not have sufficient administrative credentials are given the ability to log on to servers and to run programs. However, best practices strongly discourage allowing this.

What does the update do?
The update removes the vulnerability by modifying the way that cursors, animated cursor, and icon formats are validated prior to rendering.

When this security bulletin was issued, had this vulnerability been publicly disclosed?
Yes. This vulnerability has been publicly disclosed. It has been assigned Common Vulnerability and Exposure number CAN-2004-1049.

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

Does applying this security update help protect customers from the code that has been published publicly that attempts to exploit this vulnerability?
Yes. This security update addresses the vulnerability for which proof of concept code has been published publicly. The vulnerability that has been addressed has been assigned the Common Vulnerability and Exposure number CAN-2004-1049.

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Windows Kernel Vulnerability - CAN-2004-1305:

A denial of service vulnerability exists in the way that cursor, animated cursor, and icon formats are handled. An attacker could try to exploit the vulnerability by constructing a malicious cursor or icon file that could potentially cause the operating system to become unresponsive. The operating system would have to be restarted to restore functionality.

Mitigating Factors for Windows Kernel Vulnerability - CAN-2004-1305:

• In a Web-based attack scenario, an attacker would have to host a Web site that contains a Web page that is used to exploit this vulnerability. An attacker could also attempt to compromise a Web site to have it serve up a Web page with malicious content attempting to exploit this vulnerability. An attacker would have no way to force users to visit a Web site. Instead, an attacker would have to persuade them to visit the Web site, typically by getting them to click a link that takes them to the attacker's site or a site compromised by the attacker.

• An attacker who successfully exploited this vulnerability could gain the same user rights as the local user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

• By default, Outlook Express 6, Outlook 2002, and Outlook 2003 open HTML e-mail messages in the Restricted sites zone. Additionally, Outlook 2000 opens HTML e-mail messages in the Restricted sites zone if the Outlook E-mail Security Update has been installed. Outlook Express 5.5 Service Pack 2 opens HTML e-mail messages in the Restricted sites zone if Microsoft Security Bulletin MS04-018 has been installed. The Restricted sites zone helps reduce attacks that could attempt to exploit this vulnerability.

The risk of attack from the HTML e-mail vector can be significantly reduced if you meet all the following conditions:

• Apply the update that is included with Microsoft Security Bulletin MS03-040 or a later Cumulative Security Update for Internet Explorer.

• Use Internet Explorer 6 or later.

• Use the Microsoft Outlook E-mail Security Update, use Microsoft Outlook Express 6 or later, or use Microsoft Outlook 2000 Service Pack 2 or later in its default configuration.

• Microsoft Windows XP Service Pack 2 is not affected by this vulnerability.

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Workarounds for Windows Kernel Vulnerability - CAN-2004-1305:

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

• Install the Outlook E-mail Security Update if you are using Outlook 2000 SP1 or earlier.

By default, Outlook Express 6, Outlook 2002 and Outlook 2003 open HTML e-mail messages in the Restricted sites zone. Additionally, Outlook 2000 opens HTML e-mail messages in the Restricted sites zone if the Outlook E-mail Security Update has been installed.

Outlook Express 5.5 Service Pack 2 opens HTML e-mail messages in the Restricted sites zone if Microsoft Security Bulletin MS04-018 has been installed. Customers who use any of these products could be at a reduced risk from an e-mail-borne attack that tries to exploit this vulnerability unless the user clicks a malicious link in the e-mail message.

• Read e-mail messages in plain text format if you are using Outlook 2002 or later, or Outlook Express 6 SP1 or later, to help protect yourself from the HTML e-mail attack vector.

Microsoft Outlook 2002 users who have applied Office XP Service Pack 1 or later and Microsoft Outlook Express 6 users who have applied Internet Explorer 6 Service Pack 1 can enable this setting and view e-mail messages that are not digitally signed or e-mail messages that are not encrypted in plain text only.

Digitally signed e-mail messages or encrypted e-mail messages are not affected by the setting and may be read in their original formats. For more information about enabling this setting in Outlook 2002, see Microsoft Knowledge Base Article 307594.

For information about this setting in Outlook Express 6, see Microsoft Knowledge Base Article 291387.

Impact of Workaround: E-mail messages that are viewed in plain text format will not contain pictures, specialized fonts, animations, or other rich content. In addition:

• The changes are applied to the preview pane and to open messages.

• Pictures become attachments so that they are not lost.

• Because the message is still in Rich Text or HTML format in the store, the object model (custom code solutions) may behave unexpectedly.

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FAQ for Windows Kernel Vulnerability - CAN-2004-1305:

What is the scope of the vulnerability?
This is a denial of service vulnerability. An attacker who exploited this vulnerability could cause the affected system to stop responding and automatically restart. During that time, the operating system cannot respond to requests. Note that the denial of service vulnerability would not allow attackers to execute code or elevate their privileges, but it could cause the affected system to stop responding. However, user interaction is required to exploit this vulnerability.

What causes the vulnerability?
This vulnerability exists due to insufficient format validation prior to rendering cursors, animated cursors, and icons.

What might an attacker use the vulnerability to do?
An attacker who successfully exploited this vulnerability could cause the affected system to stop responding.

How could an attacker exploit the vulnerability?
An attacker could exploit the vulnerability by creating a specially crafted web page. An attacker could also create a specially-crafted email message and send it to an affected system. Upon viewing web page, preview or reading a malicious message, the attacker could cause the affected system to stop responding

What systems are primarily at risk from the vulnerability?
Workstations and terminal servers are primarily at risk. Servers are only at risk if users who do not have sufficient administrative credentials are given the ability to log on to servers and to run programs. However, best practices strongly discourage allowing this.

What does the update do?
The update removes the vulnerability by modifying the way that cursors, animated cursor, and icon formats are validated prior to rendering.

When this security bulletin was issued, had this vulnerability been publicly disclosed?
Yes. This vulnerability has been publicly disclosed. It has been assigned Common Vulnerability and Exposure number CAN-2004-1305.

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

Does applying this security update help protect customers from the code that has been published publicly that attempts to exploit this vulnerability?
Yes. This security update addresses the vulnerability for which proof of concept code has been published publicly. The vulnerability that has been addressed has been assigned the Common Vulnerability and Exposure number CAN-2004-1305.

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Security Update Information

Installation Platforms and Prerequisites:

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

Windows Server 2003 (all versions)

Prerequisites
This security update requires a release version of Windows Server 2003.

Inclusion in Future Service Packs:
The update for this issue will be included in Windows Server 2003 Service Pack 1.

Installation Information

This security update supports the following setup switches:

  /help                 Displays the command-line options

Setup Modes

  /quiet                Quiet mode (no user interaction or display)

  /passive            Unattended mode (progress bar only)

  /uninstall          Uninstalls the package

Restart Options

  /norestart          Do not restart when installation has completed

  /forcerestart      Restart after installation

Special Options

  /l                        Lists installed Windows hotfixes or update packages

  /o                       Overwrite OEM files without prompting

  /n                       Do not backup files needed for uninstall

  /f                        Force other programs to close when the computer shuts down

  /integrate:path  Integrates the update into the Windows source files located at the path specified.

  /extract             Extracts files without starting the Setup program

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 for Windows Server 2003:

Windowsserver2003-kb891711-x86-enu /passive /quiet

To install the security update without forcing the system to restart, use the following command at a command prompt for Windows Server 2003:

Windowsserver2003-kb891711-x86-enu /norestart

For information about how to deploy this security update with Software Update Services, visit the Software Update Services Web site.

Restart Requirement

You must restart your system after you apply this security update.

Removal Information

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

System administrators can also use the Spuninst.exe utility to remove this security update. The Spuninst.exe utility is located in the %Windir%\$NTUninstallKB891711$\Spuninst folder. The Spuninst.exe utility supports the following setup switches:

  /help                 Displays the command line options

Setup Modes

  /quiet                Quiet mode (no user interaction or display)

  /passive            Unattended mode (progress bar only)

Restart Options

  /norestart          Do not restart when installation is complete

  /forcerestart      Restart after installation

Special Options

  /f                        Force other programs to close when the computer shuts down

File Information

The English version of this update 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.

Windows Server 2003 Enterprise Edition, Windows Server 2003 Standard Edition, Windows Server 2003 Web Edition, and Windows Server 2003 Datacenter Edition:

File Name Version Date Time Size Folder
User32.dll
5.2.3790.245
30-Dec-2004
21:22
576,000
RTMGDR

Win32k.sys
5.2.3790.244
28-Dec-2004
23:26
1,812,992
RTMGDR

User32.dll
5.2.3790.245
30-Dec-2004
21:43
577,024
RTMQFE

Win32k.sys
5.2.3790.244
28-Dec-2004
23:27
1,815,040
RTMQFE

Windows Server 2003 64-Bit Enterprise Edition and Windows Server 2003 64-Bit Datacenter Edition:

File Name Version Date Time Size CPU Folder
User32.dll
5.2.3790.245
30-Dec-2004
21:18
1,375,232
IA-64
RTMGDR

Win32k.sys
5.2.3790.244
28-Dec-2004
22:30
4,953,088
IA-64
RTMGDR

Wuser32.dll
5.2.3790.245
30-Dec-2004
21:22
568,320
x86
RTMGDR\WOW

User32.dll
5.2.3790.245
30-Dec-2004
21:44
1,376,256
IA-64
RTMQFE

Win32k.sys
5.2.3790.244
28-Dec-2004
22:30
4,958,720
IA-64
RTMQFE

Wuser32.dll
5.2.3790.245
30-Dec-2004
21:42
568,832
x86
RTMQFE\WOW

Note When you install this security update on Windows Server 2003 or on Windows XP 64-Bit Edition Version 2003, the installer checks to see if any of the files that are being updated on your system have previously been updated by a Microsoft hotfix. If you have previously installed a hotfix to update one of these files, the installer copies the RTMQFE files to your system. Otherwise, the installer copies the RTMGDR files to your system. For more information, see Microsoft Knowledge Base Article 824994.

Verifying Update Installation

• Microsoft Baseline Security Analyzer

To verify that a security update is installed on an affected system, you may be able to use the Microsoft Baseline Security Analyzer (MBSA) tool. This tool 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.

Click Start, and then click Search.

In the Search Results pane, click All files and folders under Search Companion.

In the All or part of the file name box, type a file name from the appropriate file information table, and then click Search.

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.

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 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 the update installation. 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 keys.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Windows Server 2003\SP1\KB891711\Filelist

Note This registry key may not contain a complete list of installed files. Also, this registry key may not be created correctly if an administrator or an OEM integrates or slipstreams the 891711 security update into the Windows installation source files.

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Windows XP (all versions)

Note For Windows XP 64-Bit Edition Version 2003, this security update is the same as the Windows Server 2003 64-Bit Edition security update.

Prerequisites
This security update requires the release version Windows XP Service Pack 1 (SP1). For more information, see Microsoft Knowledge Base Article 322389.

Inclusion in Future Service Packs:
The update for this issue is included in Windows XP Service Pack 2.

Installation Information

This security update supports the following setup switches:

  /help                 Displays the command-line options

Setup Modes

  /quiet                Quiet mode (no user interaction or display)

  /passive            Unattended mode (progress bar only)

  /uninstall          Uninstalls the package

Restart Options

  /norestart          Do not restart when installation has completed

  /forcerestart      Restart after installation

Special Options

  /l                        Lists installed Windows hotfixes or update packages

  /o                       Overwrite OEM files without prompting

  /n                       Do not backup files needed for uninstall

  /f                        Force other programs to close when the computer shuts down

  /integrate:path  Integrates the update into the Windows source files located at the path specified.

  /extract             Extracts files without starting the Setup program

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 for Windows XP:

Windowsxp-kb891711-x86-enu /passive /quiet

To install the security update without forcing the system to restart, use the following command at a command prompt for Windows XP:

Windowsxp-kb891711-x86-enu /norestart

For more information about how to deploy this security update with Software Update Services, visit the Software Update Services Web site.

Restart Requirement

You must restart your system after you apply this security update.

Removal Information

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

System administrators can also use the Spuninst.exe utility to remove this security update. The Spuninst.exe utility is located in the %Windir%\$NTUninstallKB891711$\Spuninst folder. The Spuninst.exe utility supports the following setup switches:

  /help                 Displays the command line options

Setup Modes

  /quiet                Quiet mode (no user interaction or display)

  /passive            Unattended mode (progress bar only)

Restart Options

  /norestart          Do not restart when installation is complete

  /forcerestart      Restart after installation

Special Options

  /f                        Force other programs to close when the computer shuts down

File Information

The English version of this update 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.

Windows XP Home Edition Service Pack 1, Windows XP Professional Service Pack 1, Windows XP Tablet PC Edition, Windows XP Media Center Edition, Windows XP Tablet PC Edition 2005, and Windows XP Media Center Edition 2005:

File Name Version Date Time Size Folder
User32.dll
5.1.2600.1617
29-Dec-2004
01:31
574,464
SP1QFE

Win32k.sys
5.1.2600.1581
05-Aug-2004
18:15
1,845,888
SP1QFE

Windows XP 64-Bit Edition Service Pack 1:

File Name Version Date Time Size CPU Folder
User32.dll
5.1.2600.1617
29-Dec-2004
01:31
1,485,312
IA-64
SP1QFE

Win32k.sys
5.1.2600.1581
05-Aug-2004
17:27
5,629,952
IA-64
SP1QFE

Wuser32.dll
5.1.2600.1617
29-Dec-2004
01:31
557,056
x86
SP1QFE\WOW

Windows XP 64-Bit Edition Version 2003:

File Name Version Date Time Size CPU Folder
User32.dll
5.2.3790.245
30-Dec-2004
21:18
1,375,232
IA-64
RTMGDR

Win32k.sys
5.2.3790.244
28-Dec-2004
22:30
4,953,088
IA-64
RTMGDR

Wuser32.dll
5.2.3790.245
30-Dec-2004
21:22
568,320
x86
RTMGDR\WOW

User32.dll
5.2.3790.245
30-Dec-2004
21:44
1,376,256
IA-64
RTMQFE

Win32k.sys
5.2.3790.244
28-Dec-2004
22:30
4,958,720
IA-64
RTMQFE

Wuser32.dll
5.2.3790.245
30-Dec-2004
21:42
568,832
x86
RTMQFE\WOW

Verifying Update Installation

• Microsoft Baseline Security Analyzer

To verify that a security update is installed on an affected system, you may be able to use the Microsoft Baseline Security Analyzer (MBSA) tool. This tool 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.

Click Start, and then click Search.

In the Search Results pane, click All files and folders under Search Companion.

In the All or part of the file name box, type a file name from the appropriate file information table, and then click Search.

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.

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 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 the update installation. 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 keys.

For Windows XP Home Edition Service Pack 1, Windows XP Professional Service Pack 1, Windows XP Tablet PC Edition, Windows XP Media Center Edition, Windows XP Tablet PC Edition 2005, and Windows XP Media Center Edition 2005:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Windows XP\SP2\KB891711\Filelist

For Windows XP 64-Bit Edition Version 2003:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Updates\Windows Server 2003\SP1\KB891711\Filelist

Note These registry keys may not contain a complete list of installed files. Also, these registry keys may not be created correctly if an administrator or an OEM integrates or slipstreams the 891711 security update into the Windows installation source files.

Top of section
Windows 2000 (all versions)

Prerequisites
For Windows 2000, this security update requires Service Pack 3 (SP3) or Service Pack 4 (SP4).

The software that is listed has been tested to determine if the versions are affected. Other versions either no longer include security update support or may not be affected. To determine the support lifecycle for your product and version, visit the Microsoft Support Lifecycle Web site.

For more information about how to obtain the latest service pack, see Microsoft Knowledge Base Article 260910.

Inclusion in Future Service Packs:
The update for this issue will be included in a future Update Rollup.

Installation Information

This security update supports the following setup switches:

  /help                 Displays the command-line options

Setup Modes

  /quiet                Quiet mode (no user interaction or display)

  /passive            Unattended mode (progress bar only)

  /uninstall          Uninstalls the package

Restart Options

  /norestart          Do not restart when installation has completed

  /forcerestart      Restart after installation

Special Options

  /l                        Lists installed Windows hotfixes or update packages

  /o                       Overwrite OEM files without prompting

  /n                       Do not backup files needed for uninstall

  /f                        Force other programs to close when the computer shuts down

  /integrate:path  Integrates the update into the Windows source files located at the path specified.

  /extract             Extracts files without starting the Setup program

Note You can combine these switches into one command. For backward compatibility, the security update also supports the setup switches that the previous version of the setup utility uses. For more information about the supported installation switches, see Microsoft Knowledge Base Article 262841.

Deployment Information

To install the security update without any user intervention, use the following command at a command prompt for Windows 2000 Service Pack 3 and Windows 2000 Service Pack 4:

Windows2000-kb891711-x86-enu /passive /quiet

To install the security update without forcing the system to restart, use the following command at a command prompt for Windows 2000 Service Pack 3 and Windows 2000 Service Pack 4:

Windows2000-kb891711-x86-enu /norestart

For more information about how to deploy this security update with Software Update Services, visit the Software Update Services Web site.

Restart Requirement

You must restart your system after you apply this security update.

Removal Information

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

System administrators can also use the Spuninst.exe utility to remove this security update. The Spuninst.exe utility is located in the %Windir%\$NTUninstallKB891711$\Spuninst folder. The Spuninst.exe utility supports the following setup switches:

  /help                 Displays the command line options

Setup Modes

  /quiet                Quiet mode (no user interaction or display)

  /passive            Unattended mode (progress bar only)

Restart Options

  /norestart          Do not restart when installation is complete

  /forcerestart      Restart after installation

Special Options

  /f                        Force other programs to close when the computer shuts down

File Information

The English version of this update 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.

Note Date, time, file name, or size information could change during installation. See the Verifying Update Installation section for details about how to verify an installation.

Windows 2000 Service Pack 3 and Windows 2000 Service Pack 4:

File Name Version Date Time Size Folder
Basesrv.dll
5.0.2195.6951
17-Jun-2004
23:05
46,352

Cmd.exe
5.0.2195.6824
21-Sep-2003
00:45
236,304

Gdi32.dll
5.0.2195.6945
17-Jun-2004
23:05
231,184

Kernel32.dll
5.0.2195.6946
17-Jun-2004
23:05
712,464

Mf3216.dll
5.0.2195.6898
24-Mar-2004
02:17
37,136

Mpr.dll
5.0.2195.6824
24-Mar-2004
02:17
54,544

Msgina.dll
5.0.2195.6928
17-Jun-2004
23:05
335,120

Rdpwd.sys
5.0.2195.6892
24-Mar-2004
02:17
90,264

Sp3res.dll
5.0.2195.7004
02-Dec-2004
14:27
6,272,512

User32.dll
5.0.2195.7017
29-Dec-2004
09:14
380,688

Userenv.dll
5.0.2195.6794
05-Aug-2003
22:14
385,808

Win32k.sys
5.0.2195.7013
24-Dec-2004
17:23
1,633,616

Winlogon.exe
5.0.2195.6970
24-Aug-2004
22:59
182,544

Winsrv.dll
5.0.2195.6946
17-Jun-2004
23:05
244,496

Kernel32.dll
5.0.2195.6946
17-Jun-2004
23:05
712,464
UNIPROC

Win32k.sys
5.0.2195.7013
24-Dec-2004
17:23
1,633,616
UNIPROC

Winsrv.dll
5.0.2195.6946
17-Jun-2004
23:05
244,496
UNIPROC

Verifying Update Installation

• Microsoft Baseline Security Analyzer

To verify that a security update is installed on an affected system, you may be able to use the Microsoft Baseline Security Analyzer (MBSA) tool. This tool 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.

Click Start, and then click Search.

In the Search Results pane, click All files and folders under Search Companion.

In the All or part of the file name box, type a file name from the appropriate file information table, and then click Search.

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.

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 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 the update installation. 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\Windows 2000\SP5\KB891711\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 891711 security update into the Windows installation source files.

Top of section
Windows NT 4.0 (all versions)

Prerequisites
This security update requires Windows NT Server 4.0 Service Pack 6a (SP6a) or Windows NT Server 4.0 Terminal Server Edition Service Pack 6 (SP6).

The software that is listed has been tested to determine if the versions are affected. Other versions either no longer include security update support or may not be affected. To determine the support lifecycle for your product and version, visit the following Microsoft Support Lifecycle Web site.

For more information about obtaining the latest service pack, see Microsoft Knowledge Base Article 152734.

Installation Information

This security update supports the following setup switches:

/y: Perform removal (only with /m or /q )

/f: Force programs to quit during the shutdown process

/n: Do not create an Uninstall folder

/z: Do not restart when the update completes

/q: Use Quiet or Unattended mode with no user interface (this switch is a superset of /m )

/m: Use Unattended mode with a user interface

/l: List the installed hotfixes

/x: Extract the files without running Setup

Note You can combine these switches into one command. For more information about the supported installation switches, see Microsoft Knowledge Base Article 262841. For more information about the terminology that appears in this bulletin, such as hotfix, see Microsoft Knowledge Base Article 824684.

Deployment Information

To install the security update without any user intervention, use the following command at a command prompt for Windows NT Server 4.0:

Windowsnt4server-kb891711-x86-enu /q

For Windows NT Server 4.0 Terminal Server Edition:

Windowsnt4terminalserver-kb891711-x86-enu /q

To install the security update without forcing the system to restart, use the following command at a command prompt for Windows NT Server 4.0:

Windowsnt4server-kb891711-x86-enu /z

For Windows NT Server 4.0 Terminal Server Edition:

Windowsnt4terminalserver-kb891711-x86-enu /z

Restart Requirement

You must restart your system after you apply this security update.

Removal Information

To remove this security update, use the Add/Remove Programs tool in Control Panel.

System administrators can also use the Hotfix.exe utility to remove this security update. The Hotfix.exe utility is located in the %Windir%\$NTUninstallKB891711$ folder. The Hotfix.exe utility supports the following setup switches:

/y: Perform removal (only with the /m or /q switch)

/f: Force programs to quit during the shutdown process

/n: Do not create an Uninstall folder

/z: Do not restart when the installation is complete

/q: Use Quiet or Unattended mode with no user interface (this switch is a superset of the /m switch)

/m: Use Unattended mode with a user interface

/l: List the installed hotfixes

File Information

The English version of this update 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.

Note Date, time, file name, or size information could change during installation. See the Verifying Update Installation section for details about how to verify an installation.

Windows NT Server 4.0:

File Name Version Date Time Size
Gdi32.dll
4.0.1381.7270
29-Dec-2004
06:01
206,096

Mf3216.dll
4.0.1381.7263
15-Oct-2004
13:38
40,720

User32.dll
4.0.1381.7342
29-Dec-2004
06:02
328,464

Win32k.sys
4.0.1381.7340
25-Dec-2004
19:42
1,255,568

Winsrv.dll
4.0.1381.7260
29-Dec-2004
06:02
174,864

Windows NT Server 4.0 Terminal Server Edition:

File Name Version Date Time Size
Gdi32.dll
4.0.1381.33566
29-Dec-2004
06:11
206,096

Mf3216.dll
4.0.1381.33562
20-May-2004
18:23
40,208

User32.dll
4.0.1381.33630
29-Dec-2004
06:11
333,072

Win32k.sys
4.0.1381.33629
27-Dec-2004
04:07
1,281,008

Winsrv.dll
4.0.1381.33559
29-Dec-2004
06:11
196,368

Verifying Update Installation

• Microsoft Baseline Security Analyzer

To verify that a security update is installed on an affected system, you may be able to use the Microsoft Baseline Security Analyzer (MBSA) tool. This tool 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.

Click Start, and then click Search.

In the Search Results pane, click All files and folders under Search Companion.

In the All or part of the file name box, type a file name from the appropriate file information table, and then click Search.

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.

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 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 the update installation. 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\Windows NT\CurrentVersion\Hotfix\KB891711\File 1

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 891711 security update into the Windows installation source files.

Top of section
Top of section
Acknowledgments

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

• eEye for reporting the Cursor and Icon Format Handling Vulnerability (CAN-2004-1049).

Obtaining Other Security Updates:

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

• Security updates are available from the Microsoft Download Center. You can find them most easily by doing a keyword search for "security_patch."

• Updates for consumer platforms are available from the Windows Update Web site.

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:

• The Microsoft TechNet Security Web site provides additional information about security in Microsoft products.

• Microsoft Software Update Services

• Microsoft Baseline Security Analyzer (MBSA)

• Windows Update

• Windows Update Catalog: For more information about the Windows Update Catalog, see Microsoft Knowledge Base Article 323166.

• Office Update

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 this security update with Software Update Services, visit the Software 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 to 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 and the Microsoft Office Detection 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, see 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 (January 11, 2005): Bulletin published