Linux 2.4 NFSv3 knfsd Malformed GETATTR Request Remote DoS

This script is Copyright (C) 2003-2017 Tenable Network Security, Inc.

Synopsis :

The remote NFS daemon is prone to a denial of service attack.

Description :

The remote host is running knfsd, a kernel NFS daemon.

There is a vulnerability in this version that may allow an attacker to
cause a kernel panic on the remote host by sending a malformed GETATTR
request with an invalid length field.

See also :

Solution :

Upgrade to Linux kernel version 2.4.21 (or later) as the issue
reportedly has been silently patched in that version.

Risk factor :

High / CVSS Base Score : 7.8
CVSS Temporal Score : 6.8
Public Exploit Available : true

Family: Denial of Service

Nessus Plugin ID: 11813 (knfs_dos.nasl)

Bugtraq ID: 8298

CVE ID: CVE-2003-0619

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