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Microsoft Security Advisory 2639658

Vulnerability in TrueType Font Parsing Could Allow Elevation of Privilege

Published: November 03, 2011 | Updated: December 13, 2011

Version: 2.0

General Information

Executive Summary

Microsoft has completed the investigation into a public report of this vulnerability. We have issued MS11-087 to address this issue. For more information about this issue, including download links for an available security update, please review MS11-087. The vulnerability addressed is the TrueType Font Parsing Vulnerability - CVE-2011-3402.

We have worked with partners in our Microsoft Active Protections Program (MAPP) to provide information that they can use to provide broader protections to customers. For information about protections released by MAPP partners, see MAPP Partners with Updated Protections.

Other Information

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.

Feedback

Support

  • Customers in the United States and Canada can receive technical support from Security Support. For more information about available support options, see Microsoft Help and Support.
  • International customers can receive support from their local Microsoft subsidiaries. For more information about how to contact Microsoft for international support issues, visit International Support.
  • Microsoft TechNet Security provides additional information about security in Microsoft products.

Disclaimer

The information provided in this advisory 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 (November 3, 2011): Advisory published.
  • V1.1 (November 3, 2011): Added localization notation to the Workarounds section.
  • V1.2 (November 4, 2011): Revised the workaround, Deny access to T2EMBED.DLL, to improve support for non-English versions of Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2. Customers with non-English versions of Microsoft Windows should reevaluate the applicability of the revised workaround for their environment.
  • V1.3 (November 8, 2011): Added link to MAPP Partners with Updated Protections in the Executive Summary. Revised impact statement for the workaround, Deny access to T2EMBED.DLL, to address a reoffer issue on Windows XP and Windows Server 2003. Also, revised the mitigating factors.
  • V1.4 (November 11, 2011): Revised impact statement for the workaround, Deny access to T2EMBED.DLL, to address applications that rely on T2EMBED.DLL for functionality.
  • V2.0 (December 13, 2011): Advisory updated to reflect publication of security bulletin.

Built at 2014-04-18T13:49:36Z-07:00

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