Microsoft .NET Framework 2.0 SP2 3.5.1 and 4 does not properly validate the System.Net.Sockets trust level which allows remote attackers to obtain sensitive information or trigger arbitrary outbound network traffic via (1) a crafted XAML browser application (aka XBAP) (2) a crafted ASP.NET application or (3) a crafted .NET Framework application aka \Socket Restriction Bypass Vulnerability.\