Crafted IP Option Vulnerability (cisco-sa-20070124-crafted-ip-option)

critical Nessus Plugin ID 71431


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


Cisco routers and switches running Cisco IOS XR software may be vulnerable to a remotely exploitable crafted IP option Denial of Service (DoS) attack. Exploitation of the vulnerability may potentially allow for arbitrary code execution. The vulnerability may be exploited after processing an Internet Control Message Protocol (ICMP) packet, Protocol Independent Multicast version 2 (PIMv2) packet, Pragmatic General Multicast (PGM) packet, or URL Rendezvous Directory (URD) packet containing a specific crafted IP option in the packet\'s IP header. No other IP protocols are affected by this issue. Cisco has made free software available to address this vulnerability for affected customers.


Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20070124-crafted-ip-option.

See Also

Plugin Details

Severity: Critical

ID: 71431

File Name: cisco-sa-20070124-crafted-ip-option-iosxr.nasl

Version: 1.8

Type: combined

Family: CISCO

Published: 12/14/2013

Updated: 4/8/2021

Supported Sensors: Nessus

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2007-0480

Vulnerability Information

CPE: cpe:/o:cisco:ios_xr

Required KB Items: Host/Cisco/IOS-XR/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 1/25/2007

Vulnerability Publication Date: 1/24/2007

Reference Information

CVE: CVE-2007-0480

BID: 22211