Cisco IOS XE Crafted MPLS IP Fragmentation DoS (CSCul00709)

medium Nessus Plugin ID 79146

Synopsis

The remote device is running a vulnerable IOS XE version.

Description

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

A denial of service flaw exists the Multiprotocol Label Switching (MPLS) IP fragmentation function of Cisco XE. An unauthenticated, remote attacker with a specially crafted MPLS IP packet can cause the Cisco Packet Processor to crash.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCul00709.

See Also

https://tools.cisco.com/security/center/viewAlert.x?alertId=32281

http://www.nessus.org/u?be4c182a

Plugin Details

Severity: Medium

ID: 79146

File Name: cisco-sn-CSCul00709-iosxe.nasl

Version: 1.8

Type: local

Family: CISCO

Published: 11/12/2014

Updated: 11/15/2018

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4

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

Vulnerability Information

CPE: cpe:/o:cisco:ios_xe

Required KB Items: Host/Cisco/IOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 12/24/2013

Vulnerability Publication Date: 12/24/2013

Reference Information

CVE: CVE-2013-6981

BID: 64514

CISCO-BUG-ID: CSCul00709