NULL pointer dereference in Juniper Junos OS - CVE-2022-22232
Published: October 21, 2022
Vulnerability identifier: #VU68572
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-2022-22232
CWE-ID: CWE-476
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 a NULL pointer dereference error in the Packet Forwarding Engine on SRX Series routers, if Unified Threat Management (UTM) Enhanced Content Filtering (CF) is enabled. A remote attacker can send specific transit traffic to the device and force the PFE to crash and restart, resulting in a denial of service condition.
Remediation
Install update from vendor's website.