Improper handling of exceptional conditions in Junos OS - CVE-2022-22235
Published: October 21, 2022
Vulnerability identifier: #VU68582
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-2022-22235
CWE-ID: CWE-755
Exploitation vector: Remote access
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 improper handling of errors in the Packet Forwarding Engine (PFE) when handling GPRS Tunnel Protocol (GTP) packets. A remote attacker can send specially crafted traffic to the device and perform a denial of service (DoS) attack.
Affected software
Junos OS
How to mitigate CVE-2022-22235
Install updates from vendor's website.
Junos OS - addressed in versions 20.2R3-S5, 20.3R3-S4, 20.4R3-S3, 21.1R3-S2, 21.2R3-S1, 21.3R3, 21.4R1-S2, 21.4R2, 22.1R1-S1, 22.1R2, 22.2R1