Microsoft DNS Resolution Remote Code Execution Vulnerability (2509553)

Summary
This host is missing a critical security update according to Microsoft Bulletin MS11-030.
Impact
Successful exploitation could allow remote attacker to execute arbitrary code in the context of the NetworkService account. Impact Level: System
Solution
Run Windows Update and update the listed hotfixes or download and update mentioned hotfixes in the advisory from the below link, http://www.microsoft.com/technet/security/bulletin/ms11-030.mspx
Insight
The flaws are due to the way the DNS client handles specially crafted LLMNR queries.
Affected
Micorsoft Windows 7 Service Pack 1 and prior Microsoft Windows XP Service Pack 3 and prior Microsoft Windows 2003 Service Pack 2 and prior Microsoft Windows Vista Service Pack 2 and prior Microsoft Windows Server 2008 Service Pack 2 and prior
References