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Junos OS Firewall Filters Failure Vulnerability (JSA10942)

medium Nessus Plugin ID 134893

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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 EX3400 Series running Junos OS prior to 14.1X53-D115, 17.1R3, 17.2R3-S2, 17.3R3-S3, 17.4R2-S5, 18.1R3-S1, 18.2R2, or 18.3R2. It is, therefore, affected by a vulnerability. When a firewall filter is applied on the loopback interface, other firewall filters might stop working for multicast traffic. The command 'show firewall filter' can be used to confirm whether the filter is working. as referenced in the JSA10942 advisory.

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 JSA10942

See Also

https://kb.juniper.net/JSA10942

Plugin Details

Severity: Medium

ID: 134893

File Name: juniper_jsa10942.nasl

Version: 1.5

Type: combined

Published: 3/25/2020

Updated: 10/14/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2019-0048

CVSS v3

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 5.1

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

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

Vulnerability Information

CPE: cpe:/o:juniper:junos

Required KB Items: Host/Juniper/model, Host/Juniper/JUNOS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 7/10/2019

Vulnerability Publication Date: 7/10/2019

Reference Information

CVE: CVE-2019-0048

JSA: JSA10942