Incorrect comparison in Junos OS - CVE-2022-22203
Published: July 13, 2022
Vulnerability identifier: #VU82502
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-2022-22203
CWE-ID: CWE-697
Exploitation vector: Adjecent network
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 incorrect comparison error in PFE. A remote non-authenticated attacker can cause a Denial of Service (DoS).
On QFX5000 Series, and EX4600 and EX4650 platforms, the fxpc process will crash followed by the FPC reboot upon receipt of a specific hostbound packet.
Continued receipt of these specific packets will create a sustained Denial of Service (DoS) condition.
Affected software
Junos OS
How to mitigate CVE-2022-22203
Install updates from vendor's website.
Junos OS - update to 19.4R3-S5