#VU68272 Time-of-check Time-of-use (TOCTOU) Race Condition in Junos OS Evolved and Juniper Junos OS - CVE-2022-22225
Published: October 12, 2022
Vulnerability identifier: #VU68272
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-22225
CWE-ID: CWE-367
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 attacker to preform a denial of service (DoS) attack.
The vulnerability exists due to a race condition in the Routing Protocol Daemon (rpd). In a BGP multipath scenario, when one of the contributing routes is flapping often and rapidly, rpd may crash.
Remediation
Install updates from vendor's website.