PT-2022-6699 · Juniper Networks · Junos+1

Published 2022-04-13 · Updated 2022-04-21 · CVE-2022-22197

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 Juniper Networks Junos OS versions prior to 17.3R3-S11 Juniper Networks Junos OS versions 17.4 prior to 17.4R2-S13, 17.4R3-S4 Juniper Networks Junos OS versions 18.3 prior to 18.3R3-S4 Juniper Networks Junos OS versions 18.4 prior to 18.4R1-S8, 18.4R2-S8, 18.4R3-S6 Juniper Networks Junos OS versions 19.1 prior to 19.1R3-S4 Juniper Networks Junos OS versions 19.2 prior to 19.2R1-S6, 19.2R3-S2 Juniper Networks Junos OS versions 19.3 prior to 19.3R2-S6, 19.3R3-S1 Juniper Networks Junos OS versions 19.4 prior to 19.4R1-S4, 19.4R2-S4, 19.4R3 Juniper Networks Junos OS versions 20.1 prior to 20.1R2 Juniper Networks Junos OS versions 20.2 prior to 20.2R2 Juniper Networks Junos OS versions 20.3 prior to 20.3R1-S2, 20.3R2 Juniper Networks Junos OS Evolved versions prior to 20.1R3-EVO Juniper Networks Junos OS Evolved versions 20.2 prior to 20.2R3-EVO Juniper Networks Junos OS Evolved versions 20.3 prior to 20.3R2-EVO

Description The issue is related to an Operation on a Resource after Expiration or Release vulnerability in the Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved. This vulnerability allows an unauthenticated network-based attacker with an established BGP session to cause a Denial of Service (DoS). The issue occurs when proxy-generate route-target filtering is enabled, and certain proxy-route add and delete events are happening.

Recommendations For Juniper Networks Junos OS versions prior to 17.3R3-S11, update to version 17.3R3-S11 or later. For Juniper Networks Junos OS versions 17.4 prior to 17.4R2-S13, 17.4R3-S4, update to version 17.4R2-S13 or 17.4R3-S4 or later. For Juniper Networks Junos OS versions 18.3 prior to 18.3R3-S4, update to version 18.3R3-S4 or later. For Juniper Networks Junos OS versions 18.4 prior to 18.4R1-S8, 18.4R2-S8, 18.4R3-S6, update to version 18.4R1-S8, 18.4R2-S8, or 18.4R3-S6 or later. For Juniper Networks Junos OS versions 19.1 prior to 19.1R3-S4, update to version 19.1R3-S4 or later. For Juniper Networks Junos OS versions 19.2 prior to 19.2R1-S6, 19.2R3-S2, update to version 19.2R1-S6 or 19.2R3-S2 or later. For Juniper Networks Junos OS versions 19.3 prior to 19.3R2-S6, 19.3R3-S1, update to version 19.3R2-S6 or 19.3R3-S1 or later. For Juniper Networks Junos OS versions 19.4 prior to 19.4R1-S4, 19.4R2-S4, 19.4R3, update to version 19.4R1-S4, 19.4R2-S4, or 19.4R3 or later. For Juniper Networks Junos OS versions 20.1 prior to 20.1R2, update to version 20.1R2 or later. For Juniper Networks Junos OS versions 20.2 prior to 20.2R2, update to version 20.2R2 or later. For Juniper Networks Junos OS versions 20.3 prior to 20.3R1-S2, 20.3R2, update to version 20.3R1-S2 or 20.3R2 or later. For Juniper Networks Junos OS Evolved versions prior to 20.1R3-EVO, update to version 20.1R3-EVO or later. For Juniper Networks Junos OS Evolved versions 20.2 prior to 20.2R3-EVO, update to version 20.2R3-EVO or later. For Juniper Networks Junos OS Evolved versions 20.3 prior to 20.3R2-EVO, update to version 20.3R2-EVO or later.

Fix

DoS

Weakness Enumeration

CWE-672

Related Identifiers

BDU:2023-03532

CVE-2022-22197

Affected Products

Junos

Junos Evolved

References · 8

• https://osv.dev/vulnerability/CVE-2022-22197 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-03532 · Security Note
• https://kb.juniper.net/JSA69511 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-22197 · Security Note
• https://t.me/cibsecurity/40794 · Telegram Post
• https://t.me/cvenotify/28927 · Telegram Post
• https://vuldb.com/?id.197348 · Note
• https://t.me/cvenotify/29273 · Telegram Post