Denial of service in Silicon Labs Z-Wave 500 series

1) Input validation error

EUVDB-ID: #VU63524

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2022-24611

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in the Z-Wave S0 NonceGet protocol. A local attacker can send a specially crafted S0 NonceGet Z-Wave package and perform a denial of service (DoS) attack.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Z-Wave 500 series: All versions

CPE2.3

• cpe:2.3:h:silicon_labs:z-wave_500_series:*:*:*:*:*:*:*:

External links

http://github.com/ITSecLab-HSEL/CVE-2022-24611
http://z-wave.com

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.