Input validation error in Juniper Junos OS - CVE-2022-22201
Published: October 12, 2022
Vulnerability identifier: #VU68275
CSH Severity: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2022-22201
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Juniper Junos OS
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.
Juniper Networks, Inc.
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the Packet Forwarding Engine (PFE). A remote attacker can send specially crafted ESP packets to the device and perform a denial of service (DoS) attack.
The vulnerability affects Juniper Networks Junos OS on SRX5000 Series with SPC3, SRX4000 Series, and vSRX when PowerMode IPsec is configured and a malformed ESP packet matching an established IPsec tunnel is received.
Remediation
Install updates from vendor's website.