Cisco IOS XE Software Internet Key Exchange Version 2 (IKEv2) Denial of Service (cisco-sa-20140326-ikev2)

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


Synopsis :

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

Description :

According to its self-reported version, the version of Cisco IOS XE
running on the remote host is affected by a denial of service
vulnerability in the Internet Key Exchange Version 2 (IKEv2) module.
An unauthenticated, remote attacker could potentially exploit this
issue by sending a malformed IKEv2 packet resulting in a denial of
service.

Note that this issue only affects hosts when Internet Security
Association and Key Management Protocol (ISAKMP) is enabled.

See also :

http://www.nessus.org/u?3a1b54a0
http://tools.cisco.com/security/center/viewAlert.x?alertId=33346

Solution :

Apply the relevant patch referenced in Cisco Security Advisory
cisco-sa-20140326-ikev2.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 6.8
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: CISCO

Nessus Plugin ID: 73340 ()

Bugtraq ID: 66471

CVE ID: CVE-2014-2108