Use after free in Junos OS - CVE-2022-22207
Published: July 13, 2022
Vulnerability identifier: #VU82498
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2022-22207
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to use after free error in the Advanced Forwarding Toolkit (AFT) manager process (aftmand). A remote non-authenticated attacker can cause a kernel crash due to intensive polling of Abstracted Fabric (AF) interface statistics and thereby a Denial of Service (DoS).
Affected software
Junos OS
How to mitigate CVE-2022-22207
Install updates from vendor's website.
Junos OS - addressed in versions 20.2R3-S5, 20.3R3-S4, 20.4R3, 21.1R2, 21.2R2, 21.3R1