Operation on a resource after expiration or release in Junos OS Evolved and Juniper Junos OS - CVE-2022-22197
Published: April 13, 2022
Vulnerability identifier: #VU82467
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-22197
CWE-ID: CWE-672
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Junos OS Evolved
Juniper Junos OS
Junos OS Evolved
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.
Juniper Networks, Inc.
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to operation on a resource after expiration or release error in the Routing Protocol Daemon (RPD). A remote non-authenticated attacker can cause a Denial of Service (DoS).
This issue occurs when proxy-generate route-target filtering is enabled, and certain proxy-route add and delete events are happening.
Remediation
Install updates from vendor's website.