PT-2022-6163 · Juniper Networks · Junos Evolved

Published 2022-10-12 · Updated 2022-10-20 · CVE-2022-22247

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 Evolved versions 21.3 prior to 21.3R3-EVO Juniper Networks Junos OS Evolved versions 21.4 prior to 21.4R2-EVO Juniper Networks Junos OS Evolved versions 22.1 prior to 22.1R2-EVO

Description The issue exists due to insufficient input validation in the processing of ingress TCP segments. An attacker can exploit this by sending a specially crafted TCP segment to the device, potentially causing a kernel panic and leading to a Denial of Service (DoS) condition. Continued receipt and processing of such TCP segments could result in a sustained DoS condition.

Recommendations For versions 21.3 prior to 21.3R3-EVO, update to version 21.3R3-EVO or later. For versions 21.4 prior to 21.4R2-EVO, update to version 21.4R2-EVO or later. For versions 22.1 prior to 22.1R2-EVO, update to version 22.1R2-EVO or later.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2023-00260

CVE-2022-22247

Affected Products

Junos Evolved

References · 5

• https://bdu.fstec.ru/vul/2023-00260 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-22247 · Security Note
• https://kb.juniper.net/JSA69904 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-22247 · Vendor Advisory
• https://supportportal.juniper.net/s/article/2022-10-Security-Bulletin-Junos-OS-Evolved-Kernel-processing-of-unvalidated-TCP-segments-could-lead-to-a-Denial-of-Service-DoS-CVE-2022-22247?language=en_US · Note