Junos OS Firewall Filters Failure Vulnerability (JSA10942)

Medium Nessus Plugin ID 134893

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VPR Score: 1.6

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: 2020/03/25

Updated: 2020/10/14

Dependencies: 55932

Risk Information

Risk Factor: Medium

VPR Score: 1.6

CVSS Score Source: CVE-2019-0048

CVSS v2.0

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

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/JUNOS/Version, Host/Juniper/model

Exploit Ease: No known exploits are available

Patch Publication Date: 2019/07/10

Vulnerability Publication Date: 2019/07/10

Reference Information

CVE: CVE-2019-0048

JSA: JSA10942