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Microsoft Security Bulletin MS05-025 - Critical

Cumulative Security Update for Internet Explorer (883939)

Published: | Updated:

Version: 1.2

Summary

Who should read this document: Customers who use Microsoft Windows

Impact of Vulnerability: Remote Code Execution

Maximum Severity Rating: Critical

Recommendation: Customers should apply the update immediately.

Security Update Replacement This update replaces the update that is included with Microsoft Security Bulletin MS05-020. That update is also a cumulative update.

Caveats: Microsoft Knowledge Base Article 883939 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 883939.

This update does include hotfixes that have been released since the release of MS04-004 or MS04-025, but they will only be installed on systems that need them. Customers who have received hotfixes from Microsoft or from their support providers since the release of MS04-004 or MS04-025 should review the “I have received a hotfix from Microsoft or my support provider since the release of MS04-004. Is that hotfix included in this security update?” question in the FAQ section of this bulletin to determine how you can make sure that the necessary hotfixes are installed. Microsoft Knowledge Base Article 883939 also documents this in more detail.

Tested Software and Security Update Download Locations:

Affected Software:

  • Microsoft Windows 2000 Service Pack 3 and Microsoft Windows 2000 Service Pack 4
  • Microsoft Windows XP Service Pack 1 and Microsoft Windows XP Service Pack 2
  • Microsoft Windows XP 64-Bit Edition Service Pack 1 (Itanium)
  • Microsoft Windows XP 64-Bit Edition Version 2003 (Itanium)
  • Microsoft Windows XP Professional x64 Edition
  • Microsoft Windows Server 2003
  • Microsoft Windows Server 2003 Service Pack 1
  • Microsoft Windows Server 2003 for Itanium-based Systems
  • Microsoft Windows Server 2003 with SP1 for Itanium-based Systems
  • Microsoft Windows Server 2003 x64 Edition
  • Microsoft Windows 98, Microsoft Windows 98 Second Edition (SE), and Microsoft Windows Millennium Edition (ME)

Tested Microsoft Windows Components:

Affected Components:

  • Internet Explorer 5.01 Service Pack 3 on Microsoft Windows 2000 Service Pack 3: Download the update
  • Internet Explorer 5.01 Service Pack 4 on Microsoft Windows 2000 Service Pack 4: Download the update
  • Internet Explorer 6 Service Pack 1 on Microsoft Windows 2000 Service Pack 3, on Microsoft Windows 2000 Service Pack 4, or on Microsoft Windows XP Service Pack 1: Download the update
  • Internet Explorer 6 for Microsoft Windows XP Service Pack 2: Download the update
  • Internet Explorer 6 Service Pack 1 for Microsoft Windows XP 64-Bit Edition Service Pack 1 (Itanium): Download the update
  • Internet Explorer 6 for Microsoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1: Download the update
  • Internet Explorer 6 for Microsoft Windows XP 64-Bit Edition Version 2003 (Itanium), Microsoft Windows Server 2003 for Itanium-based Systems and Microsoft Windows Server 2003 with SP1 for Itanium-based Systems: Download the update
  • Internet Explorer 6 for Microsoft Windows Server 2003 x64 Edition, and Microsoft Windows XP Professional x64 Edition: Download the update
  • Internet Explorer 5.5 Service Pack 2 on Microsoft Windows Millennium Edition – Review the FAQ section of this bulletin for details about this version.
  • Internet Explorer 6 Service Pack 1 on Microsoft Windows 98, on Microsoft Windows 98 SE, or on Microsoft Windows Millennium Edition – Review the FAQ section of this bulletin for details about this version.

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.

General Information

Executive Summary

Frequently asked questions (FAQ) related to this security update

Vulnerability Details

Security Update Information

Other Information

Acknowledgments

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

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 this security update by using 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 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 14, 2005): Bulletin published
  • V1.1 (June 15, 2005): Bulletin revised to provide clarification around mitigating factors for the PNG Image Rendering Memory Corruption Vulnerability.
  • V1.2 (July 6, 2005): Bulletin revised due to a new issue discovered with the security update: "Microsoft Knowledge Base Article 902395: You receive a HTTP 405 response when you click a hyperlink in Internet Explorer 6 that is in a frame and links to a WebDAV folder. “Security Update Information” section revised with updated details for the Windows XP x64 Professional Edition registry key verification information.