Juniper Junos MX Series PFE DoS (JSA11038)

Medium Nessus Plugin ID 138906

Synopsis

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

Description

According to its self-reported version, the remote Juniper Junos device is affected by a denial of service (DoS) vulnerability where receipt of a stream of specific Layer 2 frames may cause a memory leak resulting in the packet forwarding engine (PFE) on the line card to crash and restart, causing traffic interruption. By continuously sending this stream of specific layer 2 frame, an attacker connected to the same broadcast domain can repeatedly crash the PFE, causing a prolonged Denial of Service (DoS).

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 JSA11038

See Also

https://kb.juniper.net/JSA11038

Plugin Details

Severity: Medium

ID: 138906

File Name: juniper_jsa11038.nasl

Version: 1.1

Type: combined

Published: 2020/07/24

Updated: 2020/07/24

Dependencies: 55932

Risk Information

Risk Factor: Medium

CVSS Score Source: CVE-2020-1651

CVSS v2.0

Base Score: 5

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

CVSS v3.0

Base Score: 7.5

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

Vulnerability Information

CPE: cpe:/o:juniper:junos

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

Patch Publication Date: 2020/07/08

Vulnerability Publication Date: 2020/07/08

Reference Information

CVE: CVE-2020-1651

JSA: JSA11038