Cisco IOS XE DHCP AAA Clients DoS (CSCuh04949)

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


Synopsis :

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

Description :

According to its self-reported version, the remote IOS device is
affected by a denial of service vulnerability.

A denial of service flaw exists in the DHCP function when handling AAA
client IP address assignment. An authenticated attacker, with a
specially crafted AAA packet, could cause the device to reboot.

See also :

http://tools.cisco.com/security/center/viewAlert.x?alertId=31860
http://www.nessus.org/u?f8f0ba77

Solution :

Upgrade to a version referenced in Cisco Bug ID 'CSCuh04949'.

Risk factor :

Medium / CVSS Base Score : 6.3
(CVSS2#AV:N/AC:M/Au:S/C:N/I:N/A:C)
CVSS Temporal Score : 5.5
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: CISCO

Nessus Plugin ID: 76882 ()

Bugtraq ID: 63855

CVE ID: CVE-2013-6692