P-265: Microsoft Cumulative Update for Internet Explorer
SUPERCEDED BY CIAC BULLETIN Q-012

REVISION HISTORY:
08/31/2005 - revised P-265 to reflect the following changes by Microsoft in 
             their Security Bulletin MS05-038: new packages available from the 
			 Microsoft Download Center and updated Security Update Information 
			 Section.
			 
			 
			    
[***** Start Microsoft Security Bulletin MS05-038 *****]

Microsoft Security Bulletin MS05-038

Cumulative Security Update for Internet Explorer (896727)

Published: August 9, 2005|Updated: August 17, 2005

Version: 2.1
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 MS05-025. That update is also a cumulative update. This update also replaces the update that is included with Microsoft Security Bulletin MS05-037.

Caveats: Packages for this security update that were located on the Microsoft Download Center have been updated as the
initial packages were corrupt, causing some Systems Management Server (SMS) and Internet Explorere installation failures.  New
packages are now available and Microsoft encourages users to re-download the packages from the links below and re-apply.  Updates
downloaded from Automatic Update, Windows Update, Microsoft Update and Windows Server Update Services (WSUS), were not affected
by this issue.


Microsoft Knowledge Base Article 896727 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 896727.
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 896727 also documents this in more detail.
Tested Software and Security Update Download Locations:
Affected Software: 
•
Microsoft Windows 2000 Service Pack 4
•
Microsoft Windows XP Service Pack 1 and Microsoft Windows XP Service Pack 2
•
Microsoft Windows XP Professional x64 Edition
•
Microsoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1
•
Microsoft Windows Server 2003 for Itanium-based Systems and Microsoft Windows Server 2003 with Service Pack 1 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) – 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 4 on Microsoft Windows 2000 Service Pack 4 – Download the update
•
Internet Explorer 6 Service Pack 1 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 for Microsoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1 – Download the update
•
Internet Explorer 6 for 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 – Download the update
•
Internet Explorer 6 for 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.
Top of section
General Information
Executive Summary
div class="expandoIndent">
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 of this bulletin.
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
Impact of Vulnerability
Internet Explorer 5.0 Service Pack 4
Internet Explorer 5.5 Service Pack 2 on Windows ME
Internet Explorer 6 Service Pack 1 (All supported operating system versions earlier than Windows Server 2003)
Internet Explorer 6 for Windows Server 2003 and Windows Server 2003 Service Pack 1
Internet Explorer 6 for Windows XP Service Pack 2
JPEG Image Rendering Memory Corruption Vulnerability - CAN-2005-1988
Remote Code Execution
Critical
Critical
Critical
Critical
Critical
Web Folder Behaviors Cross-Domain Vulnerability - CAN-2005-1989
Information Disclosure
Moderate
Moderate
Moderate
Low
Moderate
COM Object Instantiation Memory Corruption Vulnerability - CAN-2005-1990
Remote Code Execution
Critical
Critical
Critical
Moderate
Critical
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.
Note The severity ratings for non-x86 operating system versions map to the x86 operating systems versions as follows:
•
The Internet Explorer 6 Service Pack 1 for Microsoft Windows XP 64-Bit Edition Service Pack 1 (Itanium) severity rating is the same as the Internet Explorer 6 Service Pack 1 (All supported operating system versions earlier than Windows Server 2003) severity rating.
•
The Internet Explorer 6 for Microsoft Windows XP 64-Bit Edition Version 2003 (Itanium) and Windows XP Professional x64 Edition severity rating is the same as the Internet Explorer 6 Service Pack 1 (All supported operating system versions earlier than Windows Server 2003) severity rating.
•
The Internet Explorer 6 for Microsoft Windows Server 2003 for Itanium-based Systems and Windows Server 2003 x64 Edition severity rating is the same as the Internet Explorer 6 for Windows Server 2003 severity rating.
Frequently asked questions (FAQ) related to this security update

Vulnerability Details

Security Update Information

Windows Server 2003 (all versions)
Windows XP Service Pack 2 (all versions) and Windows XP Professional x64:
Internet Explorer 6 Service Pack 1 for Windows XP Service Pack 1 (all versions) 
and Windows 2000 (all versions)
Internet Explorer 5.01 Service Pack 4 on Windows 2000 (all versions)

Acknowledgments

Microsoft thanks the following for working with us to help protect customers:
•Bernhard Mueller and Martin Eiszner of SEC Consult for reporting a subset of the Class Identifiers in the COM Object Instantiation Memory Corruption Vulnerability - CAN-2005-1990.
•The NSFOCUS Security Team for reporting one of the Class Identifiers in the COM Object Instantiation Memory Corruption Vulnerability - CAN-2005-1990.

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 (August 9, 2005): Bulletin published

• V2.0 (August 10, 2005): Bulletin revised to include notification of new packages available from the 
  Microsoft Download Center as the original packages were causing some Systems Management Server (SMS) and 
  Internet Explorer installation failures.
 
• V2.1 (August 17, 2005): Bulletin revised to account for the following: updated location of Spuninst.exe in 
  the Security Update Information sections for Internet Explorer 6 Service Pack 1 and Internet Explorer 5.01, 
  changed the information for SMS packages to point directly to Knowledge Base Article 903741, added an FAQ 
  section titled “Why are the command line installation switches different for Windows 2000 and Windows XP 
  operating systems for this release when compared to MS04-025: Cumulative Security Update for Internet 
  Explorer?”, updated file manifests for the RTMQFE files for Internet Explorer 6 Service Pack 1, and added 
  acknowledgement for Paul of GreyHat Security for reporting the Web Folder Behaviors Cross-Domain 
  Vulnerability - CAN-2005-1989.
 


[***** End Microsoft Security Bulletin MS05-038 *****]

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