Main Vulnerability Database Vulnerabilities #VU68361

#VU68361 Improper handling of exceptional conditions in Junos OS Evolved and Juniper Junos OS - CVE-2022-22238

Published: October 17, 2022

Vulnerability identifier: #VU68361

Vulnerability risk: 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-2022-22238

CWE-ID: CWE-755

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Junos OS Evolved
Juniper Junos OS

Software vendor:
Juniper Networks, Inc.

Description

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 routing protocol daemon (rpd) when processing incoming RESV message corresponding to a protected LSP. A remote attacker can send specially crafted RESV messages to the affected device and perform a denial of service (DoS) attack.

Remediation

Install updates from vendor's website.

External links

https://supportportal.juniper.net/s/article/2022-10-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-The-rpd-process-will-crash-when-a-malformed-incoming-RESV-message-is-processed-CVE-2022-22238