Microsoft Security Advisory (975497)

Vulnerabilities in SMB Could Allow Remote Code Execution

Published: September 08, 2009 | Updated: October 13, 2009

Version: 2.0

General Information

Executive Summary

Microsoft has completed the investigation into a public report of this vulnerability. We have issued MS09-050 to address this issue. For more information about this issue, including download links for an available security update, please review MS09-050. The vulnerability addressed is the SMBv2 Negotiation Vulnerability - CVE-2009-3103.

Resources:

You can provide feedback by completing the form by visiting the following Web site.

Customers in the United States and Canada can receive technical support from Security Support. For more information about available support options, see the Microsoft Help and Support Web site.

International customers can receive support from their local Microsoft subsidiaries. For more information about how to contact Microsoft for international support issues, visit the International Support Web site.

The Microsoft TechNet Security Web site 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 (September 8, 2009): Advisory published.

V1.1 (September 17, 2009): Clarified the FAQ, What is SMBv2? Added a link to Microsoft Knowledge Base Article 975497 to provide an automated Microsoft Fix it solution for the workaround, Disable SMB v2.

V1.2 (September 23, 2009): Clarified the FAQ, What is Server Message Block Version 2 (SMBv2)? Also clarified the impact of the workaround, Disable SMB v2.

V2.0 (October 13, 2009): Advisory updated to reflect publication of security bulletin.


Top of pageTop of page