Linux 2.1.89 - 2.2.3 IP Fragmenting Functionality 0 Length Fragment Handling Remote DoS

This script is Copyright (C) 1999-2014 Tenable Network Security, Inc.


Synopsis :

The remote host is prone to a denial of service attack.

Description :

The remote host appears to be using a Linux kernel that contains a
flaw in its IP fragment handling code. By sending a series of packets
with 0 length fragments, an unauthenticated attacker may be able to
disable the remote host's IP connectivity.

See also :

http://archives.neohapsis.com/archives/bugtraq/1999_1/1079.html

Solution :

Upgrade to Linux kernel version 2.2.4 or later.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 4.8
(CVSS2#E:F/RL:U/RC:ND)
Public Exploit Available : true

Family: Denial of Service

Nessus Plugin ID: 10134 (linux_zero_len_fragment.nasl)

Bugtraq ID: 2247

CVE ID: CVE-1999-0431