Cisco IOS Software DHCP Denial of Service Vulnerability (cisco-sa-20120926-dhcp)

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 contains 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
single DHCP packet to or through an affected device, causing the
device to reload. Cisco has released free software updates that
address this vulnerability. A workaround that mitigates this
vulnerability is available.

See also :

http://www.nessus.org/u?6e6aaa1c

Solution :

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

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 5.8
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: CISCO

Nessus Plugin ID: 62372 ()

Bugtraq ID: 55699

CVE ID: CVE-2012-4621