Intrusion Prevention

MS.ISA.And.Forefront.Threat.Management.TCP.Listener.DoS

Description

This indicates an attack attempt against a Denial of Service issue in Microsoft ISA Server and Forefront Threat Management Gateway.
The vulnerability is caused by an error when the vulnerable software handles TCP states. It allows a remote attacker to deny legitimate access from customers.

Affected Products

Microsoft ISA Server
Microsoft Forefront Threat Management Gateway

Impact

Denial of Service: Remote attackers can crash vulnerable systems.

Recommended Actions

Apply patch, available from the vendor web site.
http://www.microsoft.com/technet/security/Bulletin/ms09-016.mspx

CVE References

CVE-2009-0077