Junos OS: Kernel crash after processing specific incoming packet to the out of band management interface (JSA10911)

medium Nessus Plugin ID 121215

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Synopsis

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

Description

According to its self-reported version number, the remote Juniper Junos device is affected by a denial of service vulnerability. The Junos OS kernel crashes after processing a specific incoming packet to the out of band management interface (such as fxp0, me0, em0, vme0) destined for another address.

By continuously sending this type of packet, an attacker can repeatedly crash the kernel causing a sustained Denial of Service.

Solution

Apply the relevant Junos software release referenced in Juniper advisory JSA10911.

Plugin Details

Severity: Medium

ID: 121215

File Name: juniper_jsa10911.nasl

Version: 1.4

Type: combined

Family: Junos Local Security Checks

Published: 1/16/2019

Updated: 2/9/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.4

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

CVSS Score Source: CVE-2019-0011

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:A/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: 1/9/2019

Vulnerability Publication Date: 1/9/2019

Reference Information

CVE: CVE-2019-0011

JSA: JSA10911

Detections

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