Microsoft Security Bulletin Summary for February 2011
Published: | Updated:
This bulletin summary lists security bulletins released for February 2011.
With the release of the security bulletins for February 2011, this bulletin summary replaces the bulletin advance notification originally issued February 3, 2011. 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 February 9, 2011, at 11:00 AM Pacific Time (US & Canada). Register now for the February 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 updates that are being released on the same day as the monthly security updates. Please see the section, Other Information.
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.
For information about non-security releases on Windows Update and Microsoft Update, please see:
- Microsoft Knowledge Base Article 894199: Description of Software Update Services and Windows Server Update Services changes in content. Includes all Windows content.
- Updates from Past Months for Windows Server Update Services. Displays all new, revised, and rereleased updates for Microsoft products other than Microsoft Windows.
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.
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
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Microsoft thanks the following for working with us to help protect customers:
- Yuki Chen of Trend Micro for reporting an issue described in MS11-003
- SkyLined of Google Inc. for reporting an issue described in MS11-003
- Haifei Li of Fortinet’s FortiGuard Labs for reporting an issue described in MS11-003
- Kobi Pariente and Yaniv Miron, working with VeriSign iDefense Labs, for reporting an issue described in MS11-006
- Procyun, working with TippingPoint's Zero Day Initiative, for reporting an issue described in MS11-008
- Xin Ouyang of Palo Alto Networks for reporting two issues described in MS11-008
- Yamata Li of Palo Alto Networks for reporting an issue described in MS11-009
- Sihan Qing (Professor), Weiping Wen (Associate Professor), Liang Yin and Husheng Zhou (Graduate students), Department of Information Security, Beijing University, for reporting an issue described in MS11-010
- Zhengwenbin of 360safe for reporting an issue described in MS11-011
- Guo Bojun for reporting an issue described in MS11-011
- Wei Zhang for reporting an issue described in MS11-011
- Marco Giuliani of Prevx for working with us on an issue described in MS11-011
- std_logic, working with TippingPoint's Zero Day Initiative, for reporting an issue described in MS11-011
- Tarjei Mandt of Norman for reporting five issues described in MS11-012
- The MIT Kerberos Team for reporting an issue described in MS11-013
- Scott Stender of iSEC Partners for reporting an issue described in MS11-013
- Security tester Jorge Moura of Primavera BSS for reporting an issue described in MS11-014
- 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.
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.
- V1.0 (February 8, 2011): Bulletin Summary published.
- V1.1 (February 9, 2011): For MS11-013, corrected the Exploitability Index Assessment for CVE-2011-0091 to "3 – Functioning exploit code unlikely." This is an informational change only.
- V2.0 (March 8, 2011): Clarified the Affected Software to include Windows 7 for 32-bit Systems Service Pack 1, Windows 7 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1, and Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 for MS11-003, MS11-004, MS11-007, and MS11-009. See the update FAQ of these bulletins for more information.
- V3.0 (March 16, 2011): Clarified the Affected Software to include Windows 7 for 32-bit Systems Service Pack 1, Windows 7 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1, and Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 for MS11-013. See the update FAQ of this bulletin for more information.
- V4.0 (March 18, 2011): Clarified the Affected Software to include Windows 7 for 32-bit Systems Service Pack 1, Windows 7 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1, and Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 for MS11-012. See the update FAQ of this bulletin for more information.