Detections
Analytics

Cisco IOS LLDP Packet Handling Remote DoS (cisco-sa-20160616-ios)

medium Nessus Plugin ID 91761

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Synopsis

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

Description

According to its self-reported IOS version, the remote device is affected by a denial of service vulnerability in the Link Layer Discovery Protocol (LLDP) packet processing code due to improper handling of malformed LLDP packets. An unauthenticated, adjacent attacker can exploit this, via specially crafted LLDP packets, to crash the device, resulting in a denial of service condition.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCun63132.

See Also

http://www.nessus.org/u?810513a2

Plugin Details

Severity: Medium

ID: 91761

File Name: cisco-sa-20160616-ios.nasl

Version: 1.10

Type: combined

Family: CISCO

Published: 6/22/2016

Updated: 12/1/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

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

CVSS Score Source: CVE-2016-1424

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 6/17/2016

Vulnerability Publication Date: 6/17/2016

Reference Information

CVE: CVE-2016-1424

CISCO-SA: cisco-sa-20160616-ios

CISCO-BUG-ID: CSCun63132