Cisco IOS Software DHCP Version 6 Server Denial of Service Vulnerability (cisco-sa-20120926-dhcpv6)

This script is Copyright (C) 2012-2014 Tenable Network Security, Inc.


Synopsis :

The remote device is missing a vendor-supplied security patch.

Description :

Cisco IOS Software and Cisco IOS XE Software contain a vulnerability
that could allow an unauthenticated, remote attacker to cause a denial
of service (DoS) condition. An attacker could exploit this
vulnerability by sending a crafted request to an affected device that
has the DHCP version 6 (DHCPv6) server feature enabled, causing a
reload. Cisco has released free software updates that address this
vulnerability.

See also :

http://www.nessus.org/u?68645538

Solution :

Apply the relevant patch referenced in Cisco Security Advisory
cisco-sa-20120926-dhcpv6.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 6.4
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true

Family: CISCO

Nessus Plugin ID: 62373 ()

Bugtraq ID: 55700

CVE ID: CVE-2012-4623