PT-2022-6705 · Juniper Networks · Junos

Published 2022-10-12 · Updated 2022-10-21 · CVE-2022-22232

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 21.4 prior to 21.4R1-S2 Juniper Networks Junos OS version 21.4R2 on SRX Series Juniper Networks Junos OS versions 22.1 prior to 22.1R1-S1 Juniper Networks Junos OS version 22.1R2 on SRX Series

Description The issue is related to a NULL Pointer Dereference vulnerability in the Packet Forwarding Engine of Juniper Networks Junos OS. This vulnerability can be exploited by an unauthenticated, network-based attacker to cause a Denial of Service (DoS). Specifically, if Unified Threat Management (UTM) Enhanced Content Filtering (CF) is enabled and certain transit traffic is processed, the PFE will crash and restart.

Recommendations For Juniper Networks Junos OS versions 21.4 prior to 21.4R1-S2, update to version 21.4R1-S2 or later. For Juniper Networks Junos OS version 21.4R2 on SRX Series, update to a version that includes the fix for this issue. For Juniper Networks Junos OS versions 22.1 prior to 22.1R1-S1, update to version 22.1R1-S1 or later. For Juniper Networks Junos OS version 22.1R2 on SRX Series, update to a version that includes the fix for this issue.

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2023-03563

CVE-2022-22232

Affected Products

Junos

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2022-22232 · Security Note
• https://kb.juniper.net/JSA69886 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-03563 · Security Note
• https://osv.dev/vulnerability/CVE-2022-22232 · Vendor Advisory
• https://vuldb.com/?id.211121 · Note