Improper input validation in Junos OS and Junos OS Evolved - CVE-2022-22213

 

Improper input validation in Junos OS and Junos OS Evolved - CVE-2022-22213

Published: July 13, 2022


Vulnerability identifier: #VU82497
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-22213
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

A vulnerability in Handling of Undefined Values in the routing protocol daemon (RPD) process of Juniper Networks Junos OS and Junos OS Evolved may allow an unauthenticated network-based attacker to crash the RPD process by sending a specific BGP update while the system is under heavy load, leading to a Denial of Service (DoS). Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition.


Affected software

Junos OS
Junos OS Evolved

How to mitigate CVE-2022-22213

Install updates from vendor's website.

Junos OS - addressed in versions 21.1R3-S1, 21.2R2-S2, 21.2R3, 21.3R2, 21.4R1-S1, 21.4R2, 22.1R1
Junos OS Evolved - addressed in versions 21.1R3-S1-EVO, 21.3R3-EVO, 21.4R1-S1-EVO, 21.4R2-EVO, 22.1R1-EVO

External References

Related Security Bulletins