__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Vulnerability in Active Directory [Microsoft Security Bulletin (MS08-003)] February 13, 2008 13:00 GMT Number S-182 [REVISED 15 Feb 2008] [REVISED 21 Feb 2008] [REVISED 28 Mar 2008] ______________________________________________________________________________ PROBLEM: A denial of service vulnerability exists in implementations of Active Directory on Microsoft Windows 2000 and Windows Server 2003. PLATFORM: Windows 2000 Server with Active Directory (KB943484) Windows XP with ADAM (KB931374) Windows Server 2003 (all editions) with Active Directory (KB943484) Windows Server 2003 (all editions) with ADAM (KB931374) Storage Management Appliance v2.1 Software running on: Storage Management Appliance I, II, III DAMAGE: Denial of service. SOLUTION: Upgrade to the appropriate version. ______________________________________________________________________________ VULNERABILITY The risk is LOW. The vulnerability also exists in ASSESSMENT: implementations of Active Directory Application Mode (ADAM) when installed on Windows XP and Windows Server 2003. The vulnerability is due to improper validation of specially crafted LDAP requests. An attacker who successfully exploited this vulnerability could cause the computer to stop responding and automatically restart. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/s-182.shtml ORIGINAL BULLETIN: http://www.microsoft.com/technet/security/Bulletin/MS08-003.mspx ADDITIONAL LINK: Visit Hewlett-Packard's Subscription Service for: HPSBST02314 SSRT080016 rev. 1 CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CVE-2008-0088 ______________________________________________________________________________ REVISION HISTORY: 02/15/2008 - revised S-182 to reflect changes Microsoft has made in MS08-003 where they updated to reflect the correct KB number in the Registry Key Verification section for all supported x64-based editions of Windows XP Professional with ADAM installed. 02/21/2008 - revised S-182 to add a link to Hewlett-Packard's Subscription Service for: HPSBST02314 SSRT080016 rev. 1 for Storage Management Appliance v2.1 Software running on: Storage Management Appliance I, II, III. 03/28/2008 - revised S-182 to reflect changes Microsoft has made in MS08-003 where they added KB link to the known issues section. [***** Start Microsoft Security Bulletin (MS08-003) *****] Microsoft Security Bulletin MS08-003 – Important Vulnerability in Active Directory Could Allow Denial of Service (946538) Published: February 12, 2008 | Updated: March 26, 2008 Version: 1.2 General Information Executive Summary This important security update resolves a privately reported vulnerability in implementations of Active Directory on Microsoft Windows 2000 Server and Windows Server 2003 and Active Directory Application Mode (ADAM) when installed on Windows XP and Windows Server 2003. The vulnerability could allow a denial of service condition. On Windows Server 2003 and Windows XP an attacker must have valid logon credentials to exploit this vulnerability. An attacker who successfully exploited this vulnerability could cause the system to stop responding or automatically restart. This is an important security update for all supported editions of Microsoft Windows 2000, and a moderate security update for Windows XP, and Windows Server 2003. For more information, see the subsection, Affected and Non-Affected Software, in this section. This security update addresses the vulnerability by validating client LDAP requests. For more information about the vulnerability, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information. Recommendation. Microsoft recommends that customers apply the update at the earliest opportunity. Known Issues. Microsoft Knowledge Base Article 946538 documents the currently known issues that customers may experience when they install this security update. The article also documents recommended solutions for these issues. Top of section Affected and Non-Affected Software The following software have been tested to determine which versions or editions are affected. Other versions or editions are either past their support life cycle or are not affected. To determine the support life cycle for your software version or edition, visit Microsoft Support Lifecycle. Affected Software Software Component Maximum Security Impact Aggregate Severity Rating Bulletins Replaced by This Update Microsoft Windows 2000 Server Service Pack 4 Active Directory (KB943484) Denial of Service Important MS07-039 Windows XP Professional Service Pack 2 ADAM (KB931374) Denial of Service Moderate None Windows XP Professional x64 Edition and Windows XP Professional Edition Service Pack 2 ADAM (KB931374) Denial of Service Moderate None Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2 Active Directory (KB943484) Denial of Service Moderate MS07-039 Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2 ADAM (KB931374) Denial of Service Moderate None Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2 Active Directory (KB943484) Denial of Service Moderate MS07-039 Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2 ADAM (KB931374) Denial of Service Moderate None Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems Active Directory (KB943484) Denial of Service Moderate MS07-039 Non-Affected Software Operating System Windows Vista Windows Vista Service Pack 1 (all editions) Windows Vista x64 Edition Windows Server 2008 (all editions) Windows XP Home Service Pack 2 Windows XP Tablet Edition Service Pack 2 Windows XP Media Center Edition Service Pack 2 Windows 2000 Professional Service Pack 4 Note: These editions of Windows are not affected because they do not include ADAM or the Active Directory server component. Vulnerability Information Severity Ratings and Vulnerability Identifiers Vulnerability Severity Rating and Maximum Security Impact by Affected Software Affected Software Active Directory Vulnerability - CVE-2008-0088 Aggregate Severity Rating Active Directory on Microsoft Windows 2000 Server Service Pack 4 Important Denial of Service Important ADAM when installed on Windows XP Professional Service Pack 2 Moderate Denial of Service Moderate ADAM Windows XP Professional x64 Edition and Windows XP Professional Edition Service Pack 2 Moderate Denial of Service Moderate Active Directory on Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2 Moderate Denial of Service Moderate ADAM when installed on Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2 Moderate Denial of Service Moderate Active Directory on Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2 Moderate Denial of Service Moderate ADAM when installed on Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2 Moderate Denial of Service Moderate Active Directory on Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 200 with SP2 for Itanium-based Systems Moderate Denial of Service Moderate Top of section Active Directory Vulnerability - CVE-2008-0088 A denial of service vulnerability exists in implementations of Active Directory on Microsoft Windows 2000 and Windows Server 2003. The vulnerability also exists in implementations of Active Directory Application Mode (ADAM) when installed on Windows XP and Windows Server 2003. The vulnerability is due to improper validation of specially crafted LDAP requests. An attacker who successfully exploited this vulnerability could cause the computer to stop responding and automatically restart. To view this vulnerability as a standard entry in the Common Vulnerabilities and Exposures list, see CVE-2008-0088. Update Information Detection and Deployment Tools and Guidance 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 Microsoft TechNet Security Web site provides additional information about security in Microsoft products. Security updates are available from Microsoft Update, Windows Update, and Office Update. Security updates are also available from 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. For more information, see Microsoft Knowledge Base Article 910723. Microsoft Baseline Security Analyzer 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. The following table provides the MBSA detection summary for this security update. Software MBSA 2.0.1 Microsoft Windows 2000 Service Pack 4 Yes Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2 Yes Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2 Yes Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems Yes For more information about MBSA 2.0.1, see MBSA 2.0 Frequently Asked Questions. Windows Server Update Services By using Windows Server Update Services (WSUS), administrators can 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 the Windows Server Update Services Web site. Systems Management Server The following table provides the SMS detection and deployment summary for this security update. Software SMS 2.0 SMS 2003 SCCM 2007 Microsoft Windows 2000 Service Pack 4 Yes Yes Yes Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2 Yes Yes Yes Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2 No Yes Yes Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems No Yes Yes For SMS 2.0, the SMS SUS Feature Pack, which includes the Security Update Inventory Tool (SUIT), can be used by SMS to detect security updates. See also Downloads for Systems Management Server 2.0. For SMS 2003, the SMS 2003 Inventory Tool for Microsoft Updates (ITMU) can be used by SMS to detect security updates that are offered by Microsoft Update and that are supported by Windows Server Update Services. For more information about the SMS 2003 ITMU, see SMS 2003 Inventory Tool for Microsoft Updates. SMS 2003 can also use the Microsoft Office Inventory Tool to detect required updates for Microsoft Office applications. For more information about the Office Inventory Tool and other scanning tools, see SMS 2003 Software Update Scanning Tools. See also Downloads for Systems Management Server 2003. System Center Configuration Manager (SCCM) 2007 uses WSUS 3.0 for detection of updates. For more information about SCCM 2007 Software Update Management, visit System Center Configuration Manager 2007. For more information about SMS, visit the SMS Web site. For more detailed information, see Microsoft Knowledge Base Article 910723: Summary list of monthly detection and deployment guidance articles. Security Update Information Affected Software For information about the specific security update for your affected software, click the appropriate link: * Windows 2000 Server with Active Directory (KB943484) * Windows XP with ADAM (KB931374) * Windows Server 2003 (all editions) with Active Directory (KB943484) * Windows Server 2003 (all editions) with ADAM (KB931374) Other Information Acknowledgments Microsoft thanks the following for working with us to help protect customers: • Thomas Garnier of SkyRecon for reporting the Active Directory Vulnerability – (CVE-2008-0088). Top of section 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. Top of section 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. Top of section Revisions • V1.0 (February 12, 2008): Bulletin published. • V1.1 (February 13, 2008): Bulletin updated to reflect the correct KB number in the Registry Key Verification section for all supported x64-based editions of Windows XP Professional with ADAM installed. • V1.2 (March 26, 2008): Bulletin updated to add KB link to the known issues section. [***** End Microsoft Security Bulletin (MS08-003) *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Microsoft for the information contained in this bulletin. _______________________________________________________________________________ CIAC, the Computer Incident Advisory Capability, is the computer security incident response team for the U.S. Department of Energy (DOE) and the emergency backup response team for the National Institutes of Health (NIH). CIAC is located at the Lawrence Livermore National Laboratory in Livermore, California. CIAC is also a founding member of FIRST, the Forum of Incident Response and Security Teams, a global organization established to foster cooperation and coordination among computer security teams worldwide. CIAC services are available to DOE, DOE contractors, and the NIH. CIAC can be contacted at: Voice: +1 925-422-8193 (7x24) FAX: +1 925-423-8002 STU-III: +1 925-423-2604 E-mail: ciac@ciac.org Previous CIAC notices, anti-virus software, and other information are available from the CIAC Computer Security Archive. World Wide Web: http://www.ciac.org/ Anonymous FTP: ftp.ciac.org PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing communities receive CIAC bulletins. If you are not part of these communities, please contact your agency's response team to report incidents. Your agency's team will coordinate with CIAC. The Forum of Incident Response and Security Teams (FIRST) is a world-wide organization. A list of FIRST member organizations and their constituencies can be obtained via WWW at http://www.first.org/. This document was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor the University of California nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation or favoring by the United States Government or the University of California. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or the University of California, and shall not be used for advertising or product endorsement purposes. LAST 10 CIAC BULLETINS ISSUED (Previous bulletins available from CIAC) S-172: Vulnerability in WebDAV Mini-Redirector S-173: Vulnerability in Internet Information Services S-174: Vulnerability in OLE Automation S-175: Vulnerability in Microsoft Word S-176: Cumulative Security Update for Internet Explorer S-177: Vulnerabilities in Microsoft Works File Converter S-178: Vulnerabilities in Microsoft Office Publisher S-179: Vulnerability in Microsoft Office S-180: Adobe Reader and Acrobat Vulnerabilities S-181: Mac OS X v10.5 / Security Update 2008-001