PT-2022-3865 · Juniper Networks · Junos

Published 2022-07-13 · Updated 2022-07-29 · CVE-2022-22206

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 20.2R3-S4 on SRX Series Juniper Networks Junos OS versions prior to 20.3R3-S3 on SRX Series Juniper Networks Junos OS versions prior to 20.4R3-S3 on SRX Series Juniper Networks Junos OS versions prior to 21.1R3-S1 on SRX Series Juniper Networks Junos OS versions prior to 21.2R2-S2, 21.2R3 on SRX Series Juniper Networks Junos OS versions prior to 21.3R2 on SRX Series Juniper Networks Junos OS versions prior to 21.4R2 on SRX Series

Description A Buffer Overflow vulnerability in the PFE of Juniper Networks Junos OS on SRX series allows an unauthenticated network-based attacker to cause a Denial of Service (DoS). The PFE will crash when specific traffic is scanned by Enhanced Web Filtering safe-search feature of UTM (Unified Threat management). Continued receipt of this specific traffic will create a sustained Denial of Service (DoS) condition.

Recommendations For Juniper Networks Junos OS versions prior to 20.2R3-S4 on SRX Series, update to version 20.2R3-S4 or later. For Juniper Networks Junos OS versions prior to 20.3R3-S3 on SRX Series, update to version 20.3R3-S3 or later. For Juniper Networks Junos OS versions prior to 20.4R3-S3 on SRX Series, update to version 20.4R3-S3 or later. For Juniper Networks Junos OS versions prior to 21.1R3-S1 on SRX Series, update to version 21.1R3-S1 or later. For Juniper Networks Junos OS versions prior to 21.2R2-S2, 21.2R3 on SRX Series, update to version 21.2R2-S2, 21.2R3 or later. For Juniper Networks Junos OS versions prior to 21.3R2 on SRX Series, update to version 21.3R2 or later. For Juniper Networks Junos OS versions prior to 21.4R2 on SRX Series, update to version 21.4R2 or later.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2022-04668

CVE-2022-22206

Affected Products

Junos

References · 5

• https://bdu.fstec.ru/vul/2022-04668 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-22206 · Security Note
• https://kb.juniper.net/JSA69710 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-22206 · Vendor Advisory
• https://t.me/cibsecurity/46677 · Telegram Post