Resource management error in Juniper Junos OS - CVE-2022-22234
Published: October 6, 2023
Vulnerability identifier: #VU81668
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-22234
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Juniper Networks, Inc.
Affected software:
Juniper Junos OS
Juniper Junos OS
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources in the Packet Forwarding Engine (PFE). If the device is very busy for example while executing a series of show
commands on the CLI one or more SFPs might not be detected anymore. The
system then changes its state to "unplugged" which is leading to traffic
impact and at least a partial DoS. A local user can cause a high load for the device and perform a denial of service attack.
How to mitigate CVE-2022-22234
Install updates from vendor's website.