Intrusion Prevention

MS.Windows.TCPIP.Stack.URL.Based.QOS.DoS

Description

This indicates an attack attempt against a Denial of Service vulnerability in Microsoft Windows TCP/IP stack URL based Quality of Service.
The vulnerability is caused by the TCP/IP stack's failure to properly handle long URLs in memory. A remote unauthenticated attacker can exploit this vulnerability by sending network traffic with specially crafted URLs to a vulnerable service.

Affected Products

Microsoft Windows 7
Microsoft Windows Server 2008 R2

Impact

Denial of Service: Remote attackers can crash vulnerable systems.

Recommended Actions

Apply the latest update from the vendor.
http://www.microsoft.com/technet/security/Bulletin/MS11-064.mspx

CVE References

CVE-2011-1965