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Microsoft Security Bulletin MS10-015 - Important

Vulnerabilities in Windows Kernel Could Allow Elevation of Privilege (977165)

Published: | Updated:

Version: 1.3

General Information

Executive Summary

This security update resolves one publicly disclosed and one privately reported vulnerability in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker logged on to the system and then ran a specially crafted application. To exploit either vulnerability, an attacker must have valid logon credentials and be able to log on locally. The vulnerabilities could not be exploited remotely or by anonymous users.

This security update is rated Important for all supported editions of Microsoft Windows 2000, Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, and Windows 7 for 32-bit Systems. For more information, see the subsection, Affected and Non-Affected Software, in this section.

The security update addresses the vulnerabilities by ensuring that the Windows Kernel handles exceptions properly. For more information about the vulnerabilities, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information.

This security update also addresses the vulnerability first described in Microsoft Security Advisory 979682.

Recommendation. The majority of customers have automatic updating enabled and will not need to take any action because this security update will be downloaded and installed automatically. Customers who have not enabled automatic updating need to check for updates and install this update manually. For information about specific configuration options in automatic updating, see Microsoft Knowledge Base Article 294871.

For administrators and enterprise installations, or end users who want to install this security update manually, Microsoft recommends that customers apply the update at the earliest opportunity using update management software, or by checking for updates using the Microsoft Update service.

See also the section, Detection and Deployment Tools and Guidance, later in this bulletin.

Known Issues. Microsoft Knowledge Base Article 977165 documents the currently known issues that customers may experience when installing this security update. The article also documents recommended solutions for these issues. When currently known issues and recommended solutions pertain only to specific releases of this software, this article provides links to further articles.

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 SystemMaximum Security ImpactAggregate Severity RatingBulletins Replaced by this Update
Microsoft Windows 2000 Service Pack 4Elevation of PrivilegeImportantMS09-058
Windows XP Service Pack 2 and Windows XP Service Pack 3Elevation of PrivilegeImportantMS09-058
Windows XP Professional x64 Edition Service Pack 2Elevation of PrivilegeImportantMS09-058
Windows Server 2003 Service Pack 2Elevation of PrivilegeImportantMS09-058
Windows Server 2003 x64 Edition Service Pack 2Elevation of PrivilegeImportantMS09-058
Windows Server 2003 with SP2 for Itanium-based SystemsElevation of PrivilegeImportantMS09-058
Windows Vista, Windows Vista Service Pack 1, and Windows Vista Service Pack 2Elevation of PrivilegeImportantMS09-058
Windows Vista x64 Edition, Windows Vista x64 Edition Service Pack 1, and Windows Vista x64 Edition Service Pack 2Elevation of PrivilegeImportantMS09-058
Windows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit Systems Service Pack 2*Elevation of PrivilegeImportantMS09-058
Windows Server 2008 for x64-based Systems and Windows Server 2008 for x64-based Systems Service Pack 2*Elevation of PrivilegeImportantMS09-058
Windows Server 2008 for Itanium-based Systems and Windows Server 2008 for Itanium-based Systems Service Pack 2Elevation of PrivilegeImportantMS09-058
Windows 7 for 32-bit SystemsElevation of PrivilegeImportantNone

*Server Core installation affected. This update applies, with the same severity rating, to supported editions of Windows Server 2008 or Windows Server 2008 R2 as indicated, whether or not installed using the Server Core installation option. For more information on this installation option, see the MSDN articles, Server Core and Server Core for Windows Server 2008 R2. Note that the Server Core installation option does not apply to certain editions of Windows Server 2008 and Windows Server 2008 R2; see Compare Server Core Installation Options.

Non-Affected Software

Operating System
Windows 7 for x64-based Systems
Windows Server 2008 R2 for x64-based Systems
Windows Server 2008 R2 for Itanium-based Systems

Frequently Asked Questions (FAQ) Related to This Security Update

Vulnerability Information

Severity Ratings and Vulnerability Identifiers

Windows Kernel Exception Handler Vulnerability - CVE-2010-0232

Windows Kernel Double Free Vulnerability - CVE-2010-0233

Update Information

Detection and Deployment Tools and Guidance

Security Update Deployment

Other Information

Acknowledgments

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

  • Tavis Ormandy of Google Inc. for reporting the Windows Kernel Double Free Vulnerability (CVE-2010-0233)

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.

Support

  • 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 the International Support Web site.

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 (February 9, 2010): Bulletin published.
  • V1.1 (February 10, 2010): Corrected the verification registry key for all supported x64-based editions of Windows XP. This is an informational change only.
  • V1.2 (March 2, 2010): Added an item to the Frequently Asked Questions (FAQ) About this Security Update to announce the offering of revised packages on Windows Update. Customers who have already successfully updated their systems do not need to take any action.
  • V1.3 (March 17, 2010): Added verification registry keys for the revised packages released March 2, 2010 for Microsoft Windows 2000, Windows XP, and Windows Server 2003. This is an informational change only.