Cisco IOS XR Software Route Processor Denial of Service Vulnerability (cisco-sa-20120530-iosxr)

This script is Copyright (C) 2013 Tenable Network Security, Inc.


Synopsis :

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

Description :

Cisco IOS XR Software contains a vulnerability when handling crafted
packets that may result in a denial of service condition. The
vulnerability only exists on Cisco 9000 Series Aggregation Services
Routers (ASR) Route Switch Processor (RSP-4G and RSP-8G), Route Switch
Processor 440 (RSP440), and Cisco Carrier Routing System (CRS)
Performance Route Processor (PRP). The vulnerability is a result of
improper handling of crafted packets and could cause the route
processor, which processes the packets, to be unable to transmit packets
to the fabric.

See also :

http://www.nessus.org/u?14359465

Solution :

Apply the relevant patch referenced in Cisco Security Advisory
cisco-sa-20120530-iosxr.

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: 71435 ()

Bugtraq ID: 53728

CVE ID: CVE-2012-2488