__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Vulnerability in SMBv2 [Microsoft Security Bulletin (MS07-063)] December 11, 2007 20:00 GMT Number S-073 [REVISED 20 Dec 2007] ______________________________________________________________________________ PROBLEM: A remote code execution vulnerability exists in the SMBv2 protocol that could allow a remote anonymous attacker to run code with the privileges of the logged-on user. PLATFORM: Windows Vista (all editions) Storage Management Appliance v2.0 Software running on : Storage Management Appliance I, II, III DAMAGE: Could allow a remote anonymous attacker to run code with the privileges of the logged-on user. SOLUTION: Upgrade to the appropriate version. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. Could allow a remote anonymous attacker to ASSESSMENT: run code with the privileges of the logged-on user. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/s-073.shtml ORIGINAL BULLETIN: http://www.microsoft.com/technet/security/Bulletin/MS07-063.mspx ADDITIONAL LINK: Visit Hewlett-Packard's Subscription Service for: HPSBST02299 SSRT071506 rev. 1 CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CVE-2007-5351 ______________________________________________________________________________ REVISION HISTORY: 12/20/2007 - revised S-073 to reflect changes in Microsoft MS07-063 to reflect a change to the Removal Information text in the Reference Table portion of the Security Update Information Section and to add a link to Hewlett- Packard HPSBST02299 SSRT071506 rev. 1 for Storage Management Appliance v2.0 Software running on : Storage Management Appliance I, II, III. [***** Start Microsoft Security Bulletin (MS07-063) *****] Microsoft Security Bulletin MS07-063 – Important Vulnerability in SMBv2 Could Allow Remote Code Execution (942624) Published: December 11, 2007 | Updated: December 19, 2007 Version: 1.1 General Information Executive Summary This important security update resolves a privately reported vulnerability in Server Message Block Version 2 (SMBv2). The vulnerability could allow an attacker to tamper with data transferred via SMBv2, which could allow remote code execution in domain configurations communicating with SMBv2. This is an Important security update for all supported versions of Windows Vista. For more information, see the subsection, Affected and Non-Affected Software, in this section. This security update addresses the vulnerability by implementing proper signing using SMBv2. 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. None 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 Operating System Maximum Security Impact Aggregate Severity Rating Bulletins Replaced by this Update Windows Vista Remote Code Execution Important None Windows Vista x64 Remote Code Execution Important None Non-Affected Software Operating System Microsoft Windows 2000 Service Pack 4 Windows XP Service Pack 2 Windows XP Professional x64 Edition and Windows XP Professional x64 Edition Service Pack 2 Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2 Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2 Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems Vulnerability Information Severity Ratings and Vulnerability Identifiers Affected Software SMBv2 Signing Vulnerability - CVE-2007-5351 Aggregate Severity Rating Windows Vista Important Remote Code Execution Important Windows Vista x64 Edition Important Remote Code Execution Important Top of section SMBv2 Signing Vulnerability - CVE-2007-5351 A remote code execution vulnerability exists in the SMBv2 protocol that could allow a remote anonymous attacker to run code with the privileges of the logged-on user. To view this vulnerability as a standard entry in the Common Vulnerabilities and Exposures list, see CVE-2007-5351. 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 Vista See Note for Windows Vista below Microsoft Vista x64 Edition See Note for Windows Vista below Note for Windows Vista Microsoft does not support installing MBSA 2.0.1 on computers that run Windows Vista, but you may install MBSA 2.0.1 on a supported operating system and then scan the Windows Vista-based computer remotely. For additional information about MBSA support for Windows Vista, visit the MBSA Web site. See also Microsoft Knowledge Base Article 931943: Microsoft Baseline Security Analyzer (MBSA) support for Windows Vista. 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 Important 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. Product SMS 2.0 SMS 2003 Microsoft Vista No See Note for Windows Vista below Microsoft Vista x64 Edition No See Note for Windows Vista below 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. Note for Windows Vista Microsoft Systems Management Server 2003 with Service Pack 3 includes support for Windows Vista manageability. 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. Top of section Security Update Information Affected Software For information about the specific security update for your affected software, click the appropriate link: * Windows Vista (all editions) Other Information 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 (December 11, 2007): Bulletin published. • V1.1 (December 19, 2007): Bulletin updated to reflect a change to the Removal Information text in the Reference Table portion of the Security Update Information section. [***** End Microsoft Security Bulletin (MS07-063) *****] _______________________________________________________________________________ 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. 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