Junos OS: FPC process crashes after J-Flow processes a malformed packet (JSA10914)

high Nessus Plugin ID 121126
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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. By continuously sending the offending packet, an attacker can repeatedly crash the FPC process causing a sustained Denial of Service (DoS).
This issue affects both IPv4 and IPv6 packet processing.

Solution

Apply the relevant Junos software release referenced in Juniper advisory JSA10914.

See Also

https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10914

Plugin Details

Severity: High

ID: 121126

File Name: juniper_jsa10914.nasl

Version: 1.4

Type: combined

Published: 1/11/2019

Updated: 2/9/2021

Dependencies: junos_version.nasl

Risk Information

CVSS Score Source: CVE-2019-0014

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

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

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: 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: 1/9/2019

Vulnerability Publication Date: 1/9/2019

Reference Information

CVE: CVE-2019-0014

JSA: JSA10914