Arista Networks EOS kernel DoS (SA0040)

medium Nessus Plugin ID 134304

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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 in the Linux kernel. An unauthenticated, remote attacker can exploit this, by sending malformed packets with rarely used packet options to a vulnerable switch.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Arista Networks EOS version EOS-4.18.11M / EOS-4.19.12.1M or later. Alternatively, apply the patch referenced in the vendor advisory.

Plugin Details

Severity: Medium

ID: 134304

File Name: arista_eos_sa0040.nasl

Version: 1.4

Type: combined

Family: Misc.

Published: 3/6/2020

Updated: 3/10/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2013-7470

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/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:arista:eos

Required KB Items: Host/Arista-EOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 4/16/2019

Vulnerability Publication Date: 4/16/2019

Reference Information

CVE: CVE-2013-7470

Detections

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