Intrusion Prevention

MS.Vista.Negotiate.Dialects.DoS

Description

This indicates an attempt to exploit a Denial of Service vulnerability in the SMB service of Microsoft Vista.
The vulnerability in the SMB service can be remotely exploited while protocol dialects are being negotiated. When the DoS condition is triggered, Vista no longer responds to SMB requests and existing SMB connections to the Vista host become unresponsive.

Affected Products

Microsoft Windows Vista.

Impact

Denial of Service: remote attackers can stop SMB from responding.

Recommended Actions

Upgrade to Microsoft Vista SP1.