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Microsoft Security Bulletin Summary for April 2009

Published: April 14, 2009 | Updated: April 16, 2009

Version: 1.1

This bulletin summary lists security bulletins released for April 2009.

With the release of the bulletins for April 2009, this bulletin summary replaces the bulletin advance notification originally issued April 9, 2009. For more information about the bulletin advance notification service, see Microsoft Security Bulletin Advance Notification.

For information about how to receive automatic notifications whenever Microsoft security bulletins are issued, visit Microsoft Technical Security Notifications.

Microsoft is hosting a webcast to address customer questions on these bulletins on April 15, 2009, at 11:00 AM Pacific Time (US & Canada). Register now for the April Security Bulletin Webcast. After this date, this webcast is available on-demand. For more information, see Microsoft Security Bulletin Summaries and Webcasts.

Microsoft also provides information to help customers prioritize monthly security updates with any non-security, high-priority updates that are being released on the same day as the monthly security updates. Please see the section, Other Information.

Bulletin Information

The following table summarizes the security bulletins for this month in order of severity.

For details on affected software, see the next section, Affected Software and Download Locations.

Bulletin IDBulletin Title and Executive SummaryMaximum Severity Rating and Vulnerability ImpactRestart RequirementAffected Software
MS09-010 Vulnerabilities in WordPad and Office Text Converters Could Allow Remote Code Execution (960477)

This security update resolves two publicly disclosed vulnerabilities and two privately reported vulnerabilities in Microsoft WordPad and Microsoft Office text converters. The vulnerabilities could allow remote code execution if a specially crafted file is opened in WordPad or Microsoft Office Word. Do not open Microsoft Office, RTF, Write, or WordPerfect files from untrusted sources using affected versions of WordPad or Microsoft Office Word.
Critical
Remote Code Execution
Requires restartMicrosoft Windows, Microsoft Office
MS09-013 Vulnerabilities in Windows HTTP Services Could Allow Remote Code Execution (960803)

This security update resolves one publicly disclosed vulnerability and two privately reported vulnerabilities in Microsoft Windows HTTP Services (WinHTTP). The most severe vulnerability could allow remote code execution. 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.
Critical
Remote Code Execution
Requires restartMicrosoft Windows
MS09-011 Vulnerability in Microsoft DirectShow Could Allow Remote Code Execution (961373)

This security update resolves a privately reported vulnerability in Microsoft DirectX. The vulnerability could allow remote code execution if user opened a specially crafted MJPEG file. 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.
Critical
Remote Code Execution
May require restartMicrosoft Windows
MS09-014 Cumulative Security Update for Internet Explorer (963027)

This security update resolves four privately reported vulnerabilities and two publicly disclosed vulnerabilities in Internet Explorer. The vulnerabilities could allow remote code execution if a user views a specially crafted Web page using Internet Explorer or if a user connects to an attacker's server by way of the HTTP protocol. 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.
Critical
Remote Code Execution
Requires restartMicrosoft Windows, Internet Explorer
MS09-009 Vulnerabilities in Microsoft Office Excel Could Cause Remote Code Execution (968557)

This security update resolves a privately reported vulnerability and a publicly disclosed vulnerability in Microsoft Office Excel. The vulnerabilities could allow remote code execution if the user opens a specially crafted Excel file. An attacker who successfully exploited these vulnerabilities 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.
Critical
Remote Code Execution
May require restartMicrosoft Office
MS09-012 Vulnerabilities in Windows Could Allow Elevation of Privilege (959454)

This security update resolves four publicly disclosed vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker is allowed to log on to the system and then run a specially crafted application. The attacker must be able to run code on the local machine in order to exploit this vulnerability. An attacker who successfully exploited any of these vulnerabilities could take complete control over the affected system.
Important
Elevation of Privilege
Requires restartMicrosoft Windows
MS09-016 Vulnerabilities in Microsoft ISA Server and Forefront Threat Management Gateway (Medium Business Edition) Could Cause Denial of Service (961759)

This security update resolves a privately reported vulnerability and a publicly disclosed vulnerability in Microsoft Internet Security and Acceleration (ISA) Server and Microsoft Forefront Threat Management Gateway (TMG), Medium Business Edition (MBE). These vulnerabilities could allow denial of service if an attacker sends specially crafted network packets to the affected system, or information disclosure if a user clicks on a malicious URL or visits a Web site that contains content controlled by the attacker.
Important
Denial of Service
Requires restartMicrosoft Forefront Edge Security
MS09-015 Blended Threat Vulnerability in SearchPath Could Allow Elevation of Privilege (959426)

This security update resolves a publicly disclosed vulnerability in the Windows SearchPath function that could allow elevation of privilege if a user downloaded a specially crafted file to a specific location, then opened an application that could load the file under certain circumstances.
Moderate
Elevation of Privilege
Requires restartMicrosoft Windows

The following table provides an exploitability assessment of each of the vulnerabilities addressed this month. The vulnerabilities are listed in order of bulletin ID and CVE ID.

How do I use this table?

Use this table to learn about the likelihood of functioning exploit code being released within 30 days of security bulletin release, for each of the security updates that you may need to install. You should review each of the assessments below, in accordance with your specific configuration, in order to prioritize your deployment. For more information about what these ratings mean, and how they are determined, please see Microsoft Exploitability Index.

Bulletin IDBulletin TitleCVE IDExploitability Index AssessmentKey Notes
MS09-009 Vulnerabilities in Microsoft Office Excel Could Cause Remote Code Execution (968557) CVE-2009-0100 2 - Inconsistent exploit code likely(None)
MS09-009 Vulnerabilities in Microsoft Office Excel Could Cause Remote Code Execution (968557) CVE-2009-0238 1 - Consistent exploit code likely This vulnerability is currently being exploited in the Internet ecosystem.
MS09-010 Vulnerabilities in WordPad and Office Text Converters Could Allow Remote Code Execution (960477) CVE-2008-4841 1 - Consistent exploit code likely This vulnerability is currently being exploited in the Internet ecosystem.
MS09-010 Vulnerabilities in WordPad and Office Text Converters Could Allow Remote Code Execution (960477) CVE-2009-0087 2 - Inconsistent exploit code likelyThis is a complex vulnerability due to multiple code paths. Most exploit code will yield inconsistent results. Default mitigating factors protect against this vector.
MS09-010 Vulnerabilities in WordPad and Office Text Converters Could Allow Remote Code Execution (960477) CVE-2009-0088 1 - Consistent exploit code likelyThis vulnerability is exploitable but only affects older versions and an older, uncommon file format. Newer versions such as the 2007 Microsoft Office system and Microsoft Office 2003 Service Pack 3 are not affected.
MS09-010 Vulnerabilities in WordPad and Office Text Converters Could Allow Remote Code Execution (960477) CVE-2009-0235 1 - Consistent exploit code likelyThis memory corruption vulnerability is easily exploitable.
MS09-011 Vulnerability in Microsoft DirectShow Could Allow Remote Code Execution (961373) CVE-2009-0084 2 - Inconsistent exploit code likely(None)
MS09-012 Vulnerabilities in Windows Could Allow Elevation of Privilege (959454) CVE-2008-1436 1 - Consistent exploit code likely This vulnerability is currently being exploited in the Internet ecosystem.
MS09-012 Vulnerabilities in Windows Could Allow Elevation of Privilege (959454) CVE-2009-0078 1 - Consistent exploit code likely This vulnerability is currently being exploited in the Internet ecosystem.
MS09-012 Vulnerabilities in Windows Could Allow Elevation of Privilege (959454) CVE-2009-0079 1 - Consistent exploit code likely This vulnerability is currently being exploited in the Internet ecosystem.
MS09-012 Vulnerabilities in Windows Could Allow Elevation of Privilege (959454) CVE-2009-0080 1 - Consistent exploit code likely This vulnerability is currently being exploited in the Internet ecosystem.
MS09-013 Vulnerabilities in Windows HTTP Services Could Allow Remote Code Execution (960803) CVE-2009-0086 1 - Consistent exploit code likelyThis is an easily controllable memory vulnerability with multiple attack vectors and opportunities for exploitation due to widespread use of this technology.
MS09-013 Vulnerabilities in Windows HTTP Services Could Allow Remote Code Execution (960803) CVE-2009-0089 1 - Consistent exploit code likely(None)
MS09-013 Vulnerabilities in Windows HTTP Services Could Allow Remote Code Execution (960803) CVE-2009-0550** 1 - Consistent exploit code likelyExploit code has been made public.
MS09-014 Cumulative Security Update for Internet Explorer (963027) CVE-2008-2540* 3 - Functioning exploit code unlikelyAttack details have been made public, but no known attack vectors for this issue currently exist. Successful exploitation of this vulnerability requires an attacker and the user to perform a series of complex steps, which include saving specific files to the desktop.
MS09-014 Cumulative Security Update for Internet Explorer (963027) CVE-2009-0550** 1 - Consistent exploit code likelyExploit code has been made public.
MS09-014 Cumulative Security Update for Internet Explorer (963027) CVE-2009-0551 2 - Inconsistent exploit code likely(None)
MS09-014 Cumulative Security Update for Internet Explorer (963027) CVE-2009-0552 3 - Functioning exploit code unlikelyMitigating factors for Internet Explorer 7 prevent code execution. Internet Explorer 6 and earlier versions have a higher chance of exploitation if not up-to-date with all security updates.
MS09-014 Cumulative Security Update for Internet Explorer (963027) CVE-2009-0553 3 - Functioning exploit code unlikely(None)
MS09-014 Cumulative Security Update for Internet Explorer (963027) CVE-2009-0554 1 - Consistent exploit code likely(None)
MS09-015 Blended Threat Vulnerability in SearchPath Could Allow Elevation of Privilege (959426) CVE-2008-2540* 2 - Inconsistent exploit code likelyAttack details have been made public, but no known attack vectors for this issue currently exist. Successful exploitation of this vulnerability requires an attacker and the user to perform a series of complex steps, which include saving specific files to the desktop.
MS09-016 Vulnerabilities in Microsoft ISA Server and Forefront Threat Management Gateway (Medium Business Edition) Could Cause Denial of Service (961759) CVE-2009-0077 3 - Functioning exploit code unlikelyService-based Denial of Service is highly probable. However, code execution is not possible.
MS09-016 Vulnerabilities in Microsoft ISA Server and Forefront Threat Management Gateway (Medium Business Edition) Could Cause Denial of Service (961759) CVE-2009-0237 3 - Functioning exploit code unlikelyInformation disclosure is possible. Code execution is highly improbable.

*This pair of vulnerabilities, assigned the same CVE number, is addressed in two security updates. Please refer to the respective bulletins for more information.

**This pair of vulnerabilities, assigned the same CVE number, is addressed in two security updates. Please refer to the respective bulletins for more information.

The following tables list the bulletins in order of major software category and severity.

How do I use these tables?

Use these tables 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 pertain to your installation. If a software program or component is listed, then the available software update is hyperlinked and the severity rating of the software update is also listed.

Note You may have to install several security updates for a single vulnerability. Review the whole column for each bulletin identifier that is listed to verify the updates that you have to install, based on the programs or components that you have installed on your system.

Windows Operating System and Components

Microsoft Windows 2000
Bulletin Identifier MS09-010 MS09-013 MS09-011 MS09-014 MS09-012 MS09-015
Aggregate Severity Rating Important Critical Critical Critical Important (No severity rating)
Microsoft Windows 2000 Service Pack 4 Microsoft Windows 2000 Service Pack 4
(KB923561)
(Important)
Microsoft Windows 2000 Service Pack 4
(Critical)
DirectX 8.1
(Critical)

DirectX 9.0***
(Critical)
Microsoft Internet Explorer 5.01 Service Pack 4
(Critical)

Microsoft Internet Explorer 6 Service Pack 1
(Critical)
MSDTC Transaction Facility update:
Microsoft Windows 2000 Service Pack 4
(KB952004)
(Important)
Microsoft Windows 2000 Service Pack 4
(No severity rating)
Windows XP
Bulletin Identifier MS09-010 MS09-013 MS09-011 MS09-014 MS09-012 MS09-015
Aggregate Severity Rating Important Critical Critical Critical Important Moderate
Windows XP Service Pack 2 and Windows XP Service Pack 3 Windows XP Service Pack 2 and Windows XP Service Pack 3
(KB923561)
(Important)
Windows XP Service Pack 2 and Windows XP Service Pack 3
(Critical)
DirectX 9.0***
(Critical)
Microsoft Internet Explorer 6
(Critical)

Windows Internet Explorer 7
(Critical)
MSDTC Transaction Facility update:
Windows XP Service Pack 2 and Windows XP Service Pack 3
(KB952004)
(Important)

Windows Service Isolation update:
Windows XP Service Pack 2 and Windows XP Service Pack 3
(KB956572)
(Important)
Windows XP Service Pack 2 and Windows XP Service Pack 3
(Moderate)
Windows XP Professional x64 Edition and Windows XP Professional x64 Edition Service Pack 2 Windows XP Professional x64 Edition and Windows XP Professional x64 Edition Service Pack 2
(KB923561)
(Important)
Windows XP Professional x64 Edition and Windows XP Professional x64 Edition Service Pack 2
(Critical)
DirectX 9.0***
(Critical)
Microsoft Internet Explorer 6
(Critical)

Windows Internet Explorer 7
(Critical)
MSDTC Transaction Facility update:
Windows XP Professional x64 Edition and Windows XP Professional x64 Edition Service Pack 2
(KB952004)
(Important)

Windows Service Isolation update:
Windows XP Professional x64 Edition and Windows XP Professional x64 Edition Service Pack 2
(KB956572)
(Important)
Windows XP Professional x64 Edition and Windows XP Professional x64 Edition Service Pack 2
(Moderate)
Windows Server 2003
Bulletin Identifier MS09-010 MS09-013 MS09-011 MS09-014 MS09-012 MS09-015
Aggregate Severity Rating Important Critical Critical Important Important Moderate
Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2 Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2
(KB923561)
(Important)
Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2
(Critical)
DirectX 9.0***
(Critical)
Microsoft Internet Explorer 6
(Important)

Windows Internet Explorer 7
(Important)
MSDTC Transaction Facility update:
Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2
(KB952004)
(Important)

Windows Service Isolation update:
Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2
(KB956572)
(Important)
Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2
(Moderate)
Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2 Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2
(KB923561)
(Important)
Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2
(Critical)
DirectX 9.0***
(Critical)
Microsoft Internet Explorer 6
(Important)

Windows Internet Explorer 7
(Important)
MSDTC Transaction Facility update:
Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2
(KB952004)
(Important)

Windows Service Isolation update:
Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2
(KB956572)
(Important)
Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2
(Moderate)
Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems
(KB923561)
(Important)
Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems
(Critical)
DirectX 9.0***
(Critical)
Microsoft Internet Explorer 6
(Important)

Windows Internet Explorer 7
(Important)
MSDTC Transaction Facility update:
Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems
(KB952004)
(Important)

Windows Service Isolation update:
Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems
(KB956572)
(Important)
Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems
(Moderate)
Windows Vista
Bulletin Identifier MS09-010 MS09-013 MS09-011 MS09-014 MS09-012 MS09-015
Aggregate Severity Rating None Critical None Critical Important Moderate
Windows Vista and Windows Vista Service Pack 1Not applicable Windows Vista and Windows Vista Service Pack 1
(Critical)
Not applicable Windows Internet Explorer 7
(Critical)
MSDTC Transaction Facility update:
Windows Vista and Windows Vista Service Pack 1
(KB952004)
(Important)

Windows Service Isolation update:
Windows Vista and Windows Vista Service Pack 1
(KB956572)
(Important)
Windows Vista and Windows Vista Service Pack 1
(Moderate)
Windows Vista x64 Edition and Windows Vista x64 Edition Service Pack 1Not applicable Windows Vista x64 Edition and Windows Vista x64 Edition Service Pack 1
(Critical)
Not applicable Windows Internet Explorer 7
(Critical)
MSDTC Transaction Facility update:
Windows Vista x64 Edition and Windows Vista x64 Edition Service Pack 1
(KB952004)
(Important)

Windows Service Isolation update:
Windows Vista x64 Edition and Windows Vista x64 Edition Service Pack 1
(KB956572)
(Important)
Windows Vista x64 Edition and Windows Vista x64 Edition Service Pack 1
(Moderate)
Windows Server 2008
Bulletin Identifier MS09-010 MS09-013 MS09-011 MS09-014 MS09-012 MS09-015
Aggregate Severity Rating None Critical None Important Important Moderate
Windows Server 2008 for 32-bit SystemsNot applicable Windows Server 2008 for 32-bit Systems*
(Critical)
Not applicable Windows Internet Explorer 7**
(Important)
MSDTC Transaction Facility update:
Windows Server 2008 for 32-bit Systems*
(KB952004)
(Important)

Windows Service Isolation update:
Windows Server 2008 for 32-bit Systems*
(KB956572)
(Important)
Windows Server 2008 for 32-bit Systems*
(Moderate)
Windows Server 2008 for x64-based SystemsNot applicable Windows Server 2008 for x64-based Systems*
(Critical)
Not applicable Windows Internet Explorer 7**
(Important)
MSDTC Transaction Facility update:
Windows Server 2008 for x64-based Systems*
(KB952004)
(Important)

Windows Service Isolation update:
Windows Server 2008 for x64-based Systems*
(KB956572)
(Important)
Windows Server 2008 for x64-based Systems*
(Moderate)
Windows Server 2008 for Itanium-based SystemsNot applicable Windows Server 2008 for Itanium-based Systems
(Critical)
Not applicable Windows Internet Explorer 7
(Important)
MSDTC Transaction Facility update:
Windows Server 2008 for Itanium-based Systems
(KB952004)
(Important)

Windows Service Isolation update:
Windows Server 2008 for Itanium-based Systems
(KB956572)
(Important)
Windows Server 2008 for Itanium-based Systems
(Moderate)

Notes for Windows Server 2008

*Windows Server 2008 server core installation affected. For supported editions of Windows Server 2008, this update applies, with the same severity rating, whether or not Windows Server 2008 was installed using the Server Core installation option. For more information on this installation option, see Server Core. Note that the Server Core installation option does not apply to certain editions of Windows Server 2008; see Compare Server Core Installation Options.

**Windows Server 2008 server core installation not affected. The vulnerabilities addressed by this update do not affect supported editions of Windows Server 2008 if Windows Server 2008 was installed using the Server Core installation option. For more information on this installation option, see Server Core. Note that the Server Core installation option does not apply to certain editions of Windows Server 2008; see Compare Server Core Installation Options.

Note for MS09-010

See also the section, Microsoft Office Suites and Software, for more update files. This bulletin spans both Windows Operating System and Components and Microsoft Office Suites and Software.

Note for MS09-011

***The update for DirectX 9.0 also applies to DirectX 9.0a, DirectX 9.0b, and DirectX 9.0c.

Microsoft Office Suites and Software

Microsoft Office Suites, Systems, and Components
Bulletin Identifier MS09-010 MS09-009
Aggregate Severity Rating Critical Critical
Microsoft Office 2000 Service Pack 3 Microsoft Office Word 2000 Service Pack 3
(KB921606)
(Critical)
Microsoft Office Excel 2000 Service Pack 3
(KB959964)
(Critical)
Microsoft Office XP Service Pack 3 Microsoft Office Word 2002 Service Pack 3
(KB933399)
(Important)
Microsoft Office Excel 2002 Service Pack 3
(KB959988)
(Important)
Microsoft Office 2003 Service Pack 3Not applicable Microsoft Office Excel 2003 Service Pack 3
(KB959995)
(Important)
2007 Microsoft Office System Service Pack 1Not applicable Microsoft Office Excel 2007 Service Pack 1*
(KB959997)
(Important)
Microsoft Office for Mac
Bulletin Identifier MS09-010 MS09-009
Aggregate Severity Rating None Important
Microsoft Office 2004 for MacNot applicable Microsoft Office 2004 for Mac
(KB968695)
(Important)
Microsoft Office 2008 for MacNot applicable Microsoft Office 2008 for Mac
(KB968694)
(Important)
Other Office Software
Bulletin Identifier MS09-010 MS09-009
Aggregate Severity Rating None Important
Microsoft Office Excel ViewerNot applicable Microsoft Office Excel Viewer 2003 Service Pack 3
(KB959993)
(Important)

Microsoft Office Excel Viewer
(KB960000)
(Important)
Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File FormatsNot applicable Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Service Pack 1
(KB960003)
(Important)
Microsoft Office Converter Pack Microsoft Office Converter Pack
(KB960476)
(Important)
Not applicable

Note for MS09-010

See also the section, Windows Operating System and Components, for more update files. This bulletin spans both Windows Operating System and Components and Microsoft Server Software.

Note for MS09-009

*For Microsoft Office Excel 2007 Service Pack 1, customers also need to install the security update for Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Service Pack 1 to be protected from the vulnerabilities described in this bulletin.

Microsoft Server and Security Software

Microsoft Forefront
Bulletin Identifier MS09-016
Aggregate Severity Rating Important
Microsoft Forefront Threat Management Gateway Microsoft Forefront Threat Management Gateway, Medium Business Edition*
(KB968075)
(Important)
Internet Security and Acceleration Server
Bulletin Identifier MS09-016
Aggregate Severity Rating Important
Microsoft Internet Security and Acceleration Server 2004 Microsoft Internet Security and Acceleration Server 2004 Standard Edition Service Pack 3**
(KB960995)
(Important)

Microsoft Internet Security and Acceleration Server 2004 Enterprise Edition Service Pack 3
(KB960995)
(Important)
Microsoft Internet Security and Acceleration Server 2006 Microsoft Internet Security and Acceleration Server 2006
(KB968078)
(Important)

Microsoft Internet Security and Acceleration Server 2006 Supportability Update
(KB968078)
(Important)

Microsoft Internet Security and Acceleration Server 2006 Service Pack 1
(KB968078)
(Important)

Note for MS09-016

*Microsoft Forefront Threat Management Gateway, Medium Business Edition, is delivered both as a standalone product and as a component of Windows Essential Business Server 2008.

**Microsoft ISA Server 2004 Standard Edition is delivered as a standalone product. Microsoft ISA Server 2004 Standard Edition is also delivered as a component of Windows Small Business Server 2003 Enterprise Edition Service Pack 1 and Windows Small Business Server 2003 R2 Enterprise Edition.

Security Central

Manage the software and security updates you need to deploy to the servers, desktop, and mobile computers in your organization. For more information see the TechNet Update Management Center. The TechNet Security Center provides additional information about security in Microsoft products. Consumers can visit Security At Home, where this information is also available by clicking "Latest Security Updates".

Security updates are available from Microsoft Update, Windows Update, and Office Update. Security updates are also available at the Microsoft Download Center. You can find them most easily by doing a keyword search for "security update".

Finally, security updates can be downloaded from the Microsoft Update Catalog. The Microsoft Update Catalog provides a searchable catalog of content made available through Windows Update and Microsoft Update, including security updates, drivers and service packs. By searching using the security bulletin number (such as, "MS07-036"), you can add all of the applicable updates to your basket (including different languages for an update), and download to the folder of your choosing. For more information about the Microsoft Update Catalog, see the Microsoft Update Catalog FAQ.

Detection and Deployment Guidance

Microsoft has provided detection and deployment guidance for this month’s security updates. This guidance will also help IT professionals understand how they can 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), and the Extended Security Update Inventory Tool (ESUIT). For more information, see Microsoft Knowledge Base Article 910723.

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.

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. The next release of SMS, System Center Configuration Manager 2007, is now available; see also System Center Configuration Manager 2007. 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.

Update Compatibility Evaluator and Application Compatibility Toolkit

Updates often write to the same files and registry settings required for your applications to run. This can trigger incompatibilities and increase the time it takes to deploy security updates. You can streamline testing and validating Windows updates against installed applications with the Update Compatibility Evaluator components included with Application Compatibility Toolkit 5.0.

The Application Compatibility Toolkit (ACT) contains the necessary tools and documentation to evaluate and mitigate application compatibility issues before deploying Microsoft Windows Vista, a Windows Update, a Microsoft Security Update, or a new version of Windows Internet Explorer in your environment.

Other Information

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.

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

For information about non-security releases on Windows Update and Microsoft Update, please see:

Microsoft Active Protections Program (MAPP)

To improve security protections for customers, Microsoft provides vulnerability information to major security software providers in advance of each monthly security update release. Security software providers can then use this vulnerability information to provide updated protections to customers via their security software or devices, such as antivirus, network-based intrusion detection systems, or host-based intrusion prevention systems. To determine whether active protections are available from security software providers, please visit the active protections Web sites provided by program partners, listed in Microsoft Active Protections Program (MAPP) Partners.

Security Strategies and Community

Update Management Strategies

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

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 update".
  • Updates for consumer platforms are available from Microsoft Update.
  • You can obtain the security updates offered this month on Windows Update, from Download Center on Security and Critical Releases ISO CD Image files. For more information, see Microsoft Knowledge Base Article 913086.

IT Pro Security Community

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

Acknowledgments

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

  • Haifei Li of Fortinet’s FortiGuard Global Security Research Team for reporting an issue described in MS09-009
  • Sean Larsson and Jun Mao of VeriSign iDefense Labs for reporting an issue described in MS09-010
  • A researcher with Fortinet’s FortiGuard Global Security Research Team for reporting an issue described in MS09-010
  • A researcher with VeriSign iDefense Labs for reporting an issue described in MS09-010
  • Piotr Bania of Kryptos Logic for reporting an issue described in MS09-011
  • Cesar Cerrudo of Argeniss for reporting several issues described in MS09-012
  • Greg MacManus of iSIGHT Partners Labs for reporting an issue described in MS09-013
  • Wan-Teh Chang and Cem Paya of Google Inc. for reporting an issue described in MS09-013
  • Aviv Raff for reporting an issue described in MS09-014
  • Michal Zalewski of Google Inc. for reporting an issue described in MS09-014
  • Ivan Fratric of iSIGHT Partners Labs for reporting an issue described in MS09-014
  • Skylined of Google Inc. for reporting an issue described in MS09-014
  • ADLab of VenusTech for reporting an issue described in MS09-014
  • Aviv Raff for reporting an issue described in MS09-015
  • New York State Chief Information Officer / Office for Technology for reporting an issue described in MS09-016

Support

  • The affected software listed have been tested to determine which versions are affected. Other versions are past their support life cycle. To determine the support life cycle for your software version, visit Microsoft Support Lifecycle.
  • Customers in the U.S. and Canada can receive technical support from Security Support or 1-866-PCSAFETY. There is no charge for support calls that are associated with security updates. For more information about available support options, see Microsoft Help and Support.
  • 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.

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 14, 2009): Bulletin Summary published.
  • V1.1 (April 16, 2009): Updated the Exploitability Index: removed key notes for CVE-2009-0089 and changed key notes for CVE-2008-2540 in MS09-014 and MS09-015.

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