Improper control of a resource through its lifetime in Junos OS - CVE-2022-22249
Published: October 12, 2022
Vulnerability identifier: #VU68278
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-22249
CWE-ID: CWE-664
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect control over memory operations in the Packet Forwarding Engine (PFE). A remote attacker on the local network can cause one or more FPCs to crash and reboot, resulting in a denial of service (DoS) condition.
The vulnerability affects Juniper Networks Junos OS on MX Series.
Affected software
Junos OS
How to mitigate CVE-2022-22249
Install updates from vendor's website.
Junos OS - addressed in versions 15.1R7-S13, 19.1R3-S9, 19.2R3-S6, 19.3R3-S6, 19.4R2-S7, 19.4R3-S8, 20.2R3-S5, 20.3R3-S5, 20.4R3-S2, 21.1R3, 21.2R3, 21.3R2, 21.4R1