Improper handling of unexpected data type in Junos OS and Junos OS Evolved - CVE-2022-22193

 

Improper handling of unexpected data type in Junos OS and Junos OS Evolved - CVE-2022-22193

Published: April 13, 2022


Vulnerability identifier: #VU82453
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-22193
CWE-ID: CWE-241
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of unexpected data type error in the Routing Protocol Daemon (rpd). A local authenticated user can cause a Denial of Service (DoS).

Continued execution of this command might cause a sustained Denial of Service condition.

 If BGP rib sharding is configured and a certain CLI command is executed the rpd process can crash.


Affected software

Junos OS
Junos OS Evolved

How to mitigate CVE-2022-22193

Install updates from vendor's website.

Junos OS - addressed in versions 20.3R3-S1, 20.4R3, 21.1R3, 21.2R2, 21.3R1
Junos OS Evolved - addressed in versions 20.4R3-EVO, 21.1R3-EVO, 21.2R2-EVO, 21.3R1-EVO

External References

Related Security Bulletins