Microsoft Security Bulletin Summary for April 2007

Published: April 03, 2007 | Updated: April 10, 2007

Version: 2.0

This bulletin summary lists security bulletins released for April 2007.

Security Central: Microsoft has provided information, about how you can help protect your computer system, at the following locations:

• Consumers can visit Security At Home, where this information is also available by clicking “Latest Security Updates”.
• IT Professionals can visit the TechNet Security Center.

Update Management Strategies: Security Guidance for Patch Management provides additional information about Microsoft’s best-practice recommendations for applying security updates.

IT Pro Security Zone Community: Learn to improve security and optimize your IT infrastructure, and participate with other IT Pros on security topics in IT Pro Security Community.

Microsoft Security Notification Service: To receive automatic e-mail notifications whenever Microsoft Security Bulletins are issued, subscribe to Microsoft Technical Security Notifications.

Summary

This bulletin summary includes security updates for newly discovered vulnerabilities. Their security bulletins, in order of severity, are as follows:

Critical (5)

Important (1)

Affected Software and Download Locations

How do I use this table?

You use this table to learn about the security updates that you may need to install. You should review each software program or component listed to see whether any security updates are required. If a software program or component is listed, then the impact of the vulnerability is listed and also hyperlinked to the available software update.

Affected Software and Download Locations

Deployment

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 Software Update Services.

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 to Windows 2000 and later operating systems.

For more information about how to deploy this security update using Windows Server Update Services, visit Windows Server Update Services.

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, see SMS 2003 Security Patch Management. SMS 2.0 users can also use the Software Updates Services Feature Pack to help deploy security updates. For information about SMS, visit Microsoft Systems Management Server.

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 Deploying Software Updates Using the SMS Software Distribution Feature. 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.

QChain.exe and Update.exe:

Microsoft has released a command-line tool named QChain.exe that gives system administrators the ability to safely chain security updates together. Chaining is when you install multiple updates without restarting between each install. Update.exe, used in the updates that are described in this advisory, has chaining functionality built in. Customers who use Windows 2000 Service Pack 2 or later, who use Windows XP, or who use Windows Server 2003, do not require Qchain.exe to chain these updates. Qchain.exe still supports chaining these Windows Updates so that an administrator can create a consistent deployment script across all platforms. For more information about Qchain, visit this Web site.

Microsoft Baseline Security Analyzer:

The Microsoft Baseline Security Analyzer (MBSA) allows administrators to scan local and remote systems for missing security updates as well as common security misconfigurations. For more information about MBSA, visit Microsoft Baseline Security Analyzer.

Detection and Deployment Guidance:

Microsoft provides additional detection and deployment guidance for security updates. This guidance will also help IT professionals understand how to use various tools to help deploy the security update, such as Windows Update, Microsoft Update, Office Update, the Microsoft Baseline Security Analyzer (MBSA), the Office Detection Tool, Microsoft Systems Management Server (SMS), the Extended Security Update Inventory Tool, and the Enterprise Update Scan Tool (EST). For more information, see Microsoft Knowledge Base Article 910723.

Other Information

Acknowledgments:

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

• Alexander Sotirov of Determina Security Research for reporting an issue described in MS07-017.
• McAfee for working with us on an issue described in MS07-017.
• iDefense Labs for reporting an issue described in MS07-017.
• Shaun Colley of NGS Software for reporting an issue described in MS07-017.
• Thomas Phinney of Adobe Systems for reporting an issue described in MS07-017.
• Sergey Svinolobov for reporting an issue described in MS07-017.
• Martyn Tovey of Netcraft for reporting an issue described in MS07-018.
• Greg MacManus of iDefense Labs for reporting an issue described in MS07-019.
• JJ Reyes and Carsten Eiram of Secunia for reporting an issue described in MS07-020.
• Tim Garnett of Determina Security Research for reporting an issue described in MS07-021.
• eEye for reporting an issue described in MS07-021.
• eEye for reporting an issue described in MS07-022.

Microsoft Windows Malicious Software Removal Tool:

Microsoft has released an updated version of the Microsoft Windows Malicious Software Removal Tool on Windows Update, Microsoft Update, Windows Server Update Services, and the Download Center.

Note that this tool is not distributed using Software Update Services (SUS).

Non-Security, High-Priority Updates on MU, WU, WSUS and SUS

• Microsoft has released four non-security, high-priority updates on Microsoft Update (MU) and Windows Server Update Services (WSUS).
• Microsoft has released two non-security, high-priority updates for Windows on Windows Update (WU) and Software Update Services (SUS).

Note that this information pertains only to non-security, high-priority updates on Microsoft Update, Windows Update, Windows Server Update Services, and Software Update Services released on the same day as the security bulletin summary. Information will not be provided about non-security updates released on other days.

Obtaining Other Security Updates:

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

• Security updates are available from Microsoft Download Center. You can find them most easily by doing a keyword search for "security_patch".
• Updates for consumer platforms are available from Microsoft Update.
• You can obtain the security updates offered on Windows Update this month on Security and Critical Releases ISO CD Image from Microsoft Download Center. For more information see Microsoft Knowledge Base Article 913086.

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 International Help and Support.

Security Resources:

• TechNet Security Center provides additional information about security in Microsoft products.
• Microsoft Software Update Services
• Microsoft Windows Server Update Services
• Microsoft Baseline Security Analyzer (MBSA)
• Microsoft Update
• Windows Update
• Windows Update Catalog: For more information about the Windows Update Catalog, see Microsoft Knowledge Base Article 323166.
• Office Update

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 (April 3, 2007): Bulletin summary published for the release of MS07-17.
• V2.0 (April 10, 2007): Bulletin summary revised for the release of MS07-018, MS07-019, MS07-020, MS07-021, and MS07-022.

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