PT-2019-1147 · Juniper Networks · Junos

Published 2019-01-09 · Updated 2020-07-22 · CVE-2019-0014

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Junos versions prior to 17.2X75-D91 Junos versions prior to 17.2X75-D100 Junos versions prior to 17.4R2-S1 Junos versions prior to 17.4R3 Junos versions prior to 18.1R3-S1 Junos versions prior to 18.2R1-S3 Junos versions prior to 18.2R2

Description: The issue is related to insufficient input validation in the Junos operating system. It can be exploited by a remote attacker to cause a denial of service by crashing the FPC process. This can be achieved by sending a malformed packet for J-Flow sampling, which can cause all interfaces to go down. The issue affects both IPv4 and IPv6 packet processing.

Recommendations: For versions prior to 17.2X75-D91, update to version 17.2X75-D91 or later. For versions prior to 17.2X75-D100, update to version 17.2X75-D100 or later. For versions prior to 17.4R2-S1, update to version 17.4R2-S1 or later. For versions prior to 17.4R3, update to version 17.4R3 or later. For versions prior to 18.1R3-S1, update to version 18.1R3-S1 or later. For versions prior to 18.2R1-S3, update to version 18.2R1-S3 or later. For versions prior to 18.2R2, update to version 18.2R2 or later.

Fix

DoS

RCE

Weakness Enumeration

CWE-19

CWE-20

Related Identifiers

BDU:2019-00191

CVE-2019-0014

Affected Products

Junos

References · 7

• https://bdu.fstec.ru/vul/2019-00191 · Security Note
• https://kb.juniper.net/JSA10914 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-0014 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-0014 · Security Note
• https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10914&cat=SIRT_1&actp=LIST · Note
• https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10914&cat=SIRT_1&actp=LIST · Note
• http://securityfocus.com/bid/106556 · Note