Signature Detail

HTTP: Microsoft .NET Framework Heap Corruption1

This signature detects attempts to exploit a known vulnerability in Microsoft's .NET Framework. It is due to an error in calculating a buffer length for percent-encoded URI components of a UTF-8 encoded URI. Remote attackers could exploit this vulnerability by enticing a target user to either download and execute a malicious XAML browser application, or download and execute a malicious .NET application. A successful exploitation attempt could result in the execution of arbitrary code in the security context in which the .NET application runs.