Cisco IOS XE Software Connectivity Fault Management (CFM) DoS

medium Nessus Plugin ID 78919
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Synopsis

The remote Cisco device is affected by a denial of service vulnerability.

Description

The remote Cisco device is affected by a denial of service vulnerability due to due to improper parsing of malformed Ethernet Connectivity Fault Management (CFM) packets. A remote, unauthenticated attacker, using specially crafted CFM packets, could trigger a denial of service condition, resulting in a reload of the device.

Solution

Apply the relevant patch referenced in the Cisco Security Notice.

Alternatively, disable Ethernet Connectivity Fault Management (CFM).

See Also

http://www.nessus.org/u?8080ca42

Plugin Details

Severity: Medium

ID: 78919

File Name: cisco-sn-CSCuq93406-iosxe.nasl

Version: 1.5

Type: local

Family: CISCO

Published: 11/7/2014

Updated: 11/15/2018

Dependencies: cisco_ios_xe_version.nasl

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

Temporal Vector: E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:ios_xe

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/24/2013

Vulnerability Publication Date: 10/24/2014

Reference Information

CVE: CVE-2014-3409

BID: 70715

CISCO-BUG-ID: CSCuq93406