Cisco IOS IP Header Sanity Check DoS (CSCuj23992)

medium Nessus Plugin ID 78690

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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 in the Cisco Express Forwarding processing module.

The issue is due to improper processing of MPLS packets. When certain additional features are configured, an attacker can exploit this vulnerability by sending MPLS packets to traverse and exit an affected device as IP packets. This may cause the device to reload.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCuj23992.

Plugin Details

Severity: Medium

ID: 78690

File Name: cisco-sn-CSCuj23992-ios.nasl

Version: 1.9

Type: local

Family: CISCO

Published: 10/27/2014

Updated: 11/25/2019

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.4

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

CVSS Score Source: CVE-2013-6706

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Settings/ParanoidReport, Host/Cisco/IOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 12/2/2013

Vulnerability Publication Date: 12/2/2013

Reference Information

CVE: CVE-2013-6706

BID: 63979

CISCO-BUG-ID: CSCuj23992

Detections

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