Welcome to the Virus Encyclopedia of Panda Security.
|worm, Trojan or backdoor. It is a group of critical vulnerabilities in the .NET Common Language Runtime on Windows 7/2008/Vista/2003/XP/2000 computers, which allows arbitrary code to be remotely executed in the vulnerable computer.|
The Common Language Runtime (CLR) is a run-time environment provided by the .NET Framework which makes the development process easier.
If exploited successfully, this vulnerability allows hackers to gain remote control of the affected computer with the same privileges as the logged on user. If this user had administrator rights, the hacker could take complete control of the system: create, modify or delete files, install programs, create new user accounts, etc.
This vulnerability can be exploited using different means:
- By creating a specially crafted website that contains a specially crafted XBAP (XAML browser application) or Silverlight application and enticing users to visit it.
- By uploading a malicious ASP.NET application to a web hosting environment.
- By placing a malicious .NET Framework application on a network share and enticing users to execute it.
If you have any of the vulnerable components, it is recommended to download and apply the security patch for this vulnerability. Click here to access the web page for downloading the patch.