FreeBSD nfsd Malformed NFS Mount Request Remote DoS
High Nessus Plugin ID 20989
SynopsisThe remote host is affected by a denial of service vulnerability.
DescriptionThe NFS server on the remote host appears to be one from FreeBSD that causes a kernel panic when it receives a malformed NFS mount request via TCP. An unauthenticated remote attacker can leverage this flaw to crash the remote host.
SolutionUse a firewall to restrict access to the NFS server or upgrade / patch the affected system as described in the vendor advisory above.