Secunia Security Advisory – Microsoft has acknowledged a security issue in Microsoft .NET Framework, which can be exploited by malicious people to conduct spoofing attacks.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/90388/sa40080.txt
Source: https://packetstormsecurity.com/files/90388/Secunia-Security-Advisory-40080.html