P-125: Microsoft Cumulative Security Update for Internet Explorer

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Microsoft Security Bulletin MS05-014
Cumulative Security Update for Internet Explorer (867282)

Issued: February 8, 2005
Version: 1.0
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 MS04-038. That update is also a cumulative 
update. This update also replaces the update that is included with Microsoft 
Security Bulletin MS04-040. That update is also a cumulative update for Internet 
Explorer 6 Service Pack 1.

Caveats: Microsoft Knowledge Base Article 867282 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 867282.

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 FAQ “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?” in the FAQ 
section for this update to determine how to ensure that the necessary hotfixes 
are installed. Microsoft Knowledge Base Article 867282 also documents this in 
more detail.

Important: The update for the “Drag-and-Drop Vulnerability” (CAN-2005-0053) 
comes in two parts. It is addressed in part in this security bulletin. This 
security bulletin, together with security bulletin MS05-008, makes up the 
update for CAN-2005-0053. These updates do not have to be installed in any 
particular order. However, we recommend that you install both updates.

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 Server 2003
•	Microsoft Windows Server 2003 for Itanium-based Systems
•	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.

Tested Microsoft Windows Components:

Affected Components:
•	Internet Explorer 5.01 Service Pack 3 (SP3) on Windows 2000 Service 
        Pack 3: Download the update
•	Internet Explorer 5.01 Service Pack 4 on Windows 2000 Service Pack 4:  
        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 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 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.
•	Internet Explorer 6 for Windows XP Service Pack 1 (64-Bit Edition): 
        Download the update
•	Internet Explorer 6 for Windows Server 2003: Download the update
•	Internet Explorer 6 for Windows Server 2003 64-Bit Edition and Windows 
        XP 64-Bit Edition Version 2003: Download the update
•	Internet Explorer 6 for Windows XP Service Pack 2: Download the update

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. 

Top of sectionTop of section

General Information
	
Executive Summary

Executive Summary:

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

If a user is logged on with administrative user rights, 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 user rights. 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.

We recommend that customers apply the update immediately.

Severity Ratings and Vulnerability Identifiers: 
Vulnerability Identifiers - Drag and Drop Vulnerability - CAN-2005-0053
Impact of Vulnerability	- Remote Code Execution
Internet Explorer 5.01 Service Pack 3 and Service Pack 4 - Important
Internet Explorer 5.5 Service Pack 2 on Windows ME - Not Critical
Internet Explorer 6 Service Pack 1 (All versions earlier than Windows Server 2003) 
   - Important
Internet Explorer 6 for Windows Server 2003 (including 64-Bit Edition)	- Moderate
Internet Explorer 6 for Windows XP Service Pack 2 - Important

Vulnerability Identifiers - URL Decoding Zone Spoofing Vulnerability - CAN-2005-0054
Impact of Vulnerability	- Remote Code Execution
Internet Explorer 5.01 Service Pack 3 and Service Pack 4- Critical
Internet Explorer 5.5 Service Pack 2 on Windows ME - Critical
Internet Explorer 6 Service Pack 1 (All versions earlier than Windows Server 2003) 
   - Moderate
Internet Explorer 6 for Windows Server 2003 (including 64-Bit Edition) - Important
Internet Explorer 6 for Windows XP Service Pack 2
	
Vulnerability Identifiers - DHTML Method Heap Memory Corruption Vulnerability 
  - CAN-2005-0055
Impact of Vulnerability	- Remote Code Execution
Internet Explorer 5.01 Service Pack 3 and Service Pack 4 - Critical	
Internet Explorer 5.5 Service Pack 2 on Windows ME - Critical
Internet Explorer 6 Service Pack 1 (All versions earlier than Windows Server 2003) 
   - Critical
Internet Explorer 6 for Windows Server 2003 (including 64-Bit Edition) - Critical
Internet Explorer 6 for Windows XP Service Pack 2 - Critical

Vulnerability Identifiers - Channel Definition Format (CDF) Cross Domain Vulnerability 
   - CAN-2005-0056
Impact of Vulnerability	- Remote Code Execution
Internet Explorer 5.01 Service Pack 3 and Service Pack 4 - Moderate	
Internet Explorer 5.5 Service Pack 2 on Windows ME - Not Critical
Internet Explorer 6 Service Pack 1 (All versions earlier than Windows Server 2003) 
   - Moderate
Internet Explorer 6 for Windows Server 2003 (including 64-Bit Edition)	 - Low
Internet Explorer 6 for Windows XP Service Pack 2 - Low

Vulnerability Identifiers- Aggregate Severity of All Vulnerabilities
Impact of Vulnerability 
Internet Explorer 5.01 Service Pack 3 and Service Pack 4 - Critical
Internet Explorer 5.5 Service Pack 2 on Windows ME- Critical
Internet Explorer 6 Service Pack 1 (All versions earlier than Windows Server 2003) 
  - Critical
Internet Explorer 6 for Windows Server 2003 (including 64-Bit Edition) - Critical
Internet Explorer 6 for Windows XP Service Pack 2 - 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.
	
Frequently asked questions (FAQ) related to this security update
	
Vulnerability Details
	
Security Update Information

Affected Software:

For additional information about how to determine which version of Internet 
Explorer you are running, see Microsoft Knowledge Base Article 164539. For 
information about the specific security update for your affected software, 
click the appropriate link:

Internet Explorer 6 for Windows Server 2003 (all versions) and for Windows XP 
  64-Bit Edition, Version 2003
Internet Explorer 6 for Windows XP Service Pack 2
Internet Explorer 6 Service Pack 1 for Windows XP Service Pack 1 and Windows 
  2000 (all versions)
Internet Explorer 5.01 for Windows 2000 (all versions)

Acknowledgments

Microsoft thanks the following for working with us to help protect customers:
•	Michael Krax for working with us responsibly on the “Drag-and-Drop 
        Vulnerability” (CAN-2005-0053).
•	Andreas Sandblad of Secunia for working with us responsibly on the 
        “Drag-and-Drop Vulnerability” (CAN-2005-0053).
•	Jouko Pynnönen for reporting the URL Decoding Zone Spoofing Vulnerability 
        (CAN-2005-0054).
•	Andreas Sandblad of Secunia for reporting the DHTML Method Heap Memory 
        Corruption Vulnerability (CAN-2005-0055).

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.

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