Arista Networks EOS IPv6 Neighbor Discovery Packet DoS (SA0022)

medium Nessus Plugin ID 107064

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Synopsis

The version of Arista Networks EOS running on the remote device is affected by a denial of service vulnerability.

Description

The version of Arista Networks EOS running on the remote device is affected by a denial of service vulnerability due to a flaw when handling specially crafted IPv6 Neighbor Discovery packets from non link-local sources. An unauthenticated, remote attacker can exploit this, via specially crafted packets, to fill up the packet processing queue, thereby causing legitimate IPv6 Neighbor Discovery packets to be dropped.

Solution

Contact the vendor for a fixed version. Alternatively, apply the recommended mitigations referenced in the vendor advisory.

Plugin Details

Severity: Medium

ID: 107064

File Name: arista_eos_sa0022.nasl

Version: 1.4

Type: combined

Family: Misc.

Published: 2/28/2018

Updated: 8/9/2018

Supported Sensors: Nessus

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 5

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

CVSS v3

Risk Factor: Medium

Base Score: 5.3

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

Vulnerability Information

CPE: cpe:/o:arista:eos

Required KB Items: Host/Arista-EOS/Version

Patch Publication Date: 6/15/2016

Vulnerability Publication Date: 6/15/2016

Detections

Analytics