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Family: Denial of Service --> Category: kill_host

FreeBSD nfsd Malformed NFS Mount Request Denial of Service Vulnerability Vulnerability Scan

Vulnerability Scan Summary
Tries to crash remote FreeBSD host

Detailed Explanation for this Vulnerability Test

Synopsis :

The remote host is affected by a denial of service vulnerability.

Description :

The 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.

See also :

Solution :

Use a firewall to restrict access to the NFS server or upgrade / patch
the affected system as described in the vendor advisory above.

Threat Level:

Medium / CVSS Base Score : 5

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