Intrusion Prevention

MS.Windows.Network.File.System.RPCSEC_GSS.Handling.DoS

Description

This indicates an attack attempt against a Denial of Service vulnerability in Microsoft Windows NFS Server.
The vulnerability is caused by an error when an invalid NFS file operation is requested on a read-only share directory. It allows a remote attacker to cause a denial-of-service condition to a vulnerable server.

Affected Products

Microsoft Windows 7
Microsoft Windows 8.1
Microsoft Windows 10
Microsoft Windows RT 8.1
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016
Microsoft Windows Server 2019
Microsoft Windows Server version 1803 (Server Core Installation)
Microsoft Windows Server version 1903 (Server Core installation)
Microsoft Windows Server version 1909 (Server Core installation)
Microsoft Windows Server version 2004 (Server Core installation)

Impact

Denial of Service: Remote attackers can crash vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17047

CVE References

CVE-2020-17047