Detections
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Juniper Junos OS DoS (JSA11186)

high Nessus Plugin ID 153256

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Synopsis

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

Description

The version of Junos OS installed on the remote host is affected by a denial of service vulnerability as referenced in the JSA11186 advisory.

 - On Juniper Networks Junos OS devices with Multipath or add-path feature enabled, processing a specific BGP UPDATE can lead to a routing process daemon (RPD) crash and restart, causing a Denial of Service (DoS).
 Continued receipt and processing of this UPDATE message will create a sustained Denial of Service (DoS) condition. (CVE-2021-0282)

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

Solution

Apply the relevant Junos software release referenced in Juniper advisory JSA11186

See Also

https://kb.juniper.net/JSA11186

Plugin Details

Severity: High

ID: 153256

File Name: juniper_jsa11186.nasl

Version: 1.7

Type: combined

Published: 9/14/2021

Updated: 1/26/2022

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-2021-0282

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

Vulnerability Information

CPE: cpe:/o:juniper:junos

Required KB Items: Host/Juniper/JUNOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 7/14/2021

Vulnerability Publication Date: 7/14/2021

Reference Information

CVE: CVE-2021-0282

IAVA: 2021-A-0324-S

JSA: JSA11186