PT-2022-1475 · Juniper Networks · Junos

Published 2022-01-12 · Updated 2022-01-26 · CVE-2022-22168

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS versions prior to 19.2R1-S8, 19.2R3-S4 Juniper Networks Junos OS version 19.3 versions prior to 19.3R3-S5 Juniper Networks Junos OS version 19.4 versions prior to 19.4R2-S5, 19.4R3-S6 Juniper Networks Junos OS version 20.1 versions prior to 20.1R3-S2 Juniper Networks Junos OS version 20.2 versions prior to 20.2R3-S3 Juniper Networks Junos OS version 20.3 versions prior to 20.3R3-S1 Juniper Networks Junos OS version 20.4 versions prior to 20.4R3 Juniper Networks Junos OS version 21.1 versions prior to 21.1R2-S1, 21.1R3 Juniper Networks Junos OS version 21.2 versions prior to 21.2R1-S1, 21.2R2 Juniper Networks Junos OS version 21.3 versions prior to 21.3R1-S1, 21.3R2

Description The issue is related to an Improper Validation of Specified Type of Input vulnerability in the kernel of Juniper Networks Junos OS, which allows an unauthenticated adjacent attacker to trigger a Missing Release of Memory after Effective Lifetime vulnerability. This can lead to a Denial of Service (DoS) due to continued exploitation causing an FPC reboot.

Recommendations For Juniper Networks Junos OS version prior to 19.2R1-S8, 19.2R3-S4, update to version 19.2R1-S8 or 19.2R3-S4 or later. For Juniper Networks Junos OS version 19.3 prior to 19.3R3-S5, update to version 19.3R3-S5 or later. For Juniper Networks Junos OS version 19.4 prior to 19.4R2-S5, 19.4R3-S6, update to version 19.4R2-S5 or 19.4R3-S6 or later. For Juniper Networks Junos OS version 20.1 prior to 20.1R3-S2, update to version 20.1R3-S2 or later. For Juniper Networks Junos OS version 20.2 prior to 20.2R3-S3, update to version 20.2R3-S3 or later. For Juniper Networks Junos OS version 20.3 prior to 20.3R3-S1, update to version 20.3R3-S1 or later. For Juniper Networks Junos OS version 20.4 prior to 20.4R3, update to version 20.4R3 or later. For Juniper Networks Junos OS version 21.1 prior to 21.1R2-S1, 21.1R3, update to version 21.1R2-S1 or 21.1R3 or later. For Juniper Networks Junos OS version 21.2 prior to 21.2R1-S1, 21.2R2, update to version 21.2R1-S1 or 21.2R2 or later. For Juniper Networks Junos OS version 21.3 prior to 21.3R1-S1, 21.3R2, update to version 21.3R1-S1 or 21.3R2 or later.

Fix

DoS

Memory Leak

RCE

Weakness Enumeration

CWE-1287

CWE-401

CWE-20

Related Identifiers

BDU:2022-00620

CVE-2022-22168

Affected Products

Junos

References · 5

• https://kb.juniper.net/JSA11275 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-22168 · Security Note
• https://osv.dev/vulnerability/CVE-2022-22168 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00620 · Security Note
• https://cybersecurity-help.cz/vdb/SB2022011233 · Note