Arista Networks CloudVision Portal DoS (SA0036)

high Nessus Plugin ID 138339

Synopsis

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

Description

The version of Arista Networks CloudVision Portal running on the remote device is affected by a denial of service (DoS) vulnerability where the Linux kernel is forced to make expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number. To retrieve patch level information this plugin requires the HTTP credentials of the web console.

Solution

Upgrade to a fixed version or apply the mitigation as referenced in the vendor advisory.

See Also

http://www.nessus.org/u?f8af9c5b

Plugin Details

Severity: High

ID: 138339

File Name: arista_cvp_sa0036.nasl

Version: 1.2

Type: remote

Family: Misc.

Published: 7/9/2020

Updated: 7/10/2020

Configuration: Enable paranoid mode

Risk Information

CVSS Score Source: CVE-2018-5390

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/a:arista:cloudvision_portal

Required KB Items: installed_sw/Arista CloudVision Portal, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 8/6/2018

Vulnerability Publication Date: 8/6/2018

Reference Information

CVE: CVE-2018-5390