Juniper Junos OS Vulnerability (JSA71639)

high Nessus Plugin ID 179871

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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 vulnerability as referenced in the JSA71639 advisory.

- An Improper Handling of Exceptional Conditions vulnerability in packet processing of Juniper Networks Junos OS on MX Series allows an unauthenticated network-based attacker to send specific packets to an Aggregated Multiservices (AMS) interface on the device, causing the packet forwarding engine (PFE) to crash, resulting in a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. (CVE-2023-36832)

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 JSA71639

Plugin Details

Severity: High

ID: 179871

File Name: juniper_jsa71639.nasl

Version: 1.0

Type: combined

Family: Junos Local Security Checks

Published: 8/15/2023

Updated: 8/15/2023

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2023-36832

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, Host/Juniper/model, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 7/12/2023

Vulnerability Publication Date: 7/12/2023

Reference Information

CVE: CVE-2023-36832

JSA: JSA71639

Detections

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