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Juniper Junos OS DoS (JSA11131)

medium Nessus Plugin ID 149788

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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 (DoS) vulnerability as referenced in the JSA11131 advisory. The vulnerability exists in the Routing Protocol Daemon (RPD) service due to an improper check for unusual or exceptional conditions. An authenticated, remote attacker can exploit this, via BGP, to create a sustained DoS condition.

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 JSA11131

See Also

https://kb.juniper.net/JSA11131

Plugin Details

Severity: Medium

ID: 149788

File Name: juniper_jsa11131.nasl

Version: 1.5

Type: combined

Published: 5/20/2021

Updated: 5/21/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2021-0236

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/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: 4/14/2021

Vulnerability Publication Date: 4/14/2021

Reference Information

CVE: CVE-2021-0236

JSA: JSA11131