Threat Encyclopedia

MS.NET.Framework.Type.Checking.Bypass.Code.Execution

description-logoDescription

This indicates an attack attempt against a remote code-execution vulnerability in the Microsoft .NET framework.
This issue is caused by a type-equality-checking error when the vulnerable software handles a malicious .NET application. It may allow remote attackers to execute arbitrary code by sending a crafted EXE file.

affected-products-logoAffected Products

Microsoft .NET Framework 2.0
Microsoft .NET Framework 2.0 SP1
Microsoft .NET Framework 3.5

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

recomended-action-logoRecommended Actions

Refer to the vendor's web site for the suggested workaround:
http://www.microsoft.com/technet/security/Bulletin/MS09-061.mspx

CVE References

CVE-2009-0091