Microsoft SMB Signing Information Disclosure Vulnerability

Summary
This host is disabled SMB signing and is prone to information disclosure vulnerability.
Impact
Successful exploitation could allow remote attackers to gain sensitive information. 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://support.microsoft.com/kb/916846
Insight
The flaw is due to disabling SMB signing. Malicious users could sniff network traffic, capture, and reply to SMB transactions that are not signed by performing a man-in-the-middle (MITM) attack to obtain sensitive information.
Affected
Microsoft Windows XP Service Pack 2 and prior Microsoft Windows 2003 Service Pack 1 and prior
References