This host is missing a critical security update according to Microsoft Bulletin MS11-040

Successful exploitation could allow remote attackers to execute arbitrary code in the context of the application. Failed exploit attempts will result in denial-of-service conditions. Impact Level: System/Application

Run Windows Update and update the listed hotfixes or download and update mentioned hotfixes in the advisory from the below link, https://technet.microsoft.com/en-us/security/bulletin/ms11-040

The flaw is due to error when setting proper bounds to the 'NSPLookupServiceNext()' function, that allow remote code execution if an attacker leveraged a client computer to make specific requests on a system where the TMG firewall client is used.

Microsoft Forefront Threat Management Gateway 2010 SP1 and prior.

Get the vulnerable file version and check appropriate patch is applied or not.

• http://support.microsoft.com/kb/2520426
• http://technet.microsoft.com/en-us/security/bulletin/ms11-040

---

Updated on 2015-03-25