Incomplete cleanup in Junos OS and Junos OS Evolved - CVE-2023-22407

 

Incomplete cleanup in Junos OS and Junos OS Evolved - CVE-2023-22407

Published: January 11, 2023


Vulnerability identifier: #VU82471
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-22407
CWE-ID: CWE-459
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to incomplete cleanup error in the Routing Protocol Daemon (rpd). A remote non-authenticated attacker can cause a Denial of Service (DoS).

 An rpd crash can occur when an MPLS TE tunnel configuration change occurs on a directly connected router.


Affected software

Junos OS
Junos OS Evolved

How to mitigate CVE-2023-22407

Install updates from vendor's website.

Junos OS - addressed in versions 18.4R2-S7, 19.1R3-S2, 19.2R3, 19.3R3, 19.4R3, 20.1R2, 20.2R2, 20.3R1
Junos OS Evolved - addressed in versions 19.2R3-EVO, 19.3R3-EVO, 19.4R3-EVO, 20.1R3-EVO, 20.2R2-EVO, 20.3R1-EVO

External References

Related Security Bulletins