CVE-2024-3043 Zigbee co-ordinator realignment packet may lead to denial of service
Unauthenticated Zigbee packets can force network identifier changes, causing denial of service in devices using the Ember ZNet SDK.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-3043?
CVE-2024-3043 is a high-severity denial of service vulnerability in silabs.com Ember ZNet SDK, published on 27 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated IEEE 802.15.4 'co-ordinator realignment' packet can be used to force Zigbee nodes to change their network identifier (pan ID), leading to a denial of service. This packet type is not useful in production and should be used only for PHY qualification.
Weakness: CWE-829
Which versions are affected by CVE-2024-3043?
How do I fix CVE-2024-3043?
No fix has been published for CVE-2024-3043 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-3043 being exploited?
There is no known exploitation of CVE-2024-3043 in the wild and no public exploit code.
Sources
Also known as GHSA-44x3-2gc7-3w5m.