Microsoft XML Editor Information Disclosure Vulnerability (2543893)

Summary
This host is missing an important security update according to Microsoft Bulletin MS11-049.
Impact
Successful exploitation could allow attackers to gain access to sensitive information that may aid in further attacks. Impact Level: Application
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/ms11-049.mspx
Insight
The flaw is due to an error when resolving XML external entities in a Web Service Discovery file ('.disco') and can be exploited to disclose the contents of arbitrary files.
Affected
Microsoft SQL Server 2005/2008 Microsoft Visual Studio 2005/2008/2010 Microsoft SQL Server 2005 Management Studio Express
References