From: InfoSec News (alertsinfosecnews.org)
Date: Thu Nov 12 2009 - 00:19:38 CST

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http://news.cnet.com/8301-27080_3-10395891-245.html

By Elinor Mills
InSecurity Complex
CNet News
November 11, 2009

Microsoft said on Wednesday it is looking into a report of a
vulnerability in Windows 7 and Server 2008 Release 2 that could be used
by an attacker to remotely crash the computer.

The company is investigating claims of a "possible denial-of-service
vulnerability in Windows Server Message Block (SMB)," the Microsoft
spokesperson said, adding that the company was unaware of any attacks
trying to exploit the hole.

The bug triggers an infinite loop on the Server Message Block (SMB)
protocol used for sharing files in Windows, researcher Laurent Gaffi
wrote in a posting on the Full-Disclosure mailing list and on a blog.

"Whatever your firewall is set to, you can get remotely smashed via IE
or even via some broadcasting NBNS [NetBIOS Naming Service] tricks,"
Gaffi wrote.

[...]

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