CVE-2022-24939 Malformed Zigbee packet with invalid destination address causes Assert
A malformed Zigbee packet with an invalid destination address causes a stack overflow and device reset in the Ember ZNet stack.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-24939?
CVE-2022-24939 is a medium-severity denial of service vulnerability in silabs.com Ember ZNet, published on 17 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A malformed packet containing an invalid destination address, causes a stack overflow in the Ember ZNet stack. This causes an assert which leads to a reset, immediately clearing the error.
Which versions are affected by CVE-2022-24939?
It affects 2 products.
Products include Silabs Gecko Software Development Kit, Silabs Zigbee Emberznet.
How do I fix CVE-2022-24939?
No fix has been published for CVE-2022-24939 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-2022-24939 being exploited?
There is no known exploitation of CVE-2022-24939 in the wild and no public exploit code.
Other vulnerabilities in silabs.com Ember ZNet
- CVE-2023-45318 Memory corruption in Gecko Platform
- CVE-2023-2686 Memory corruption in Gecko Platform
- CVE-2023-4280 Unvalidated input in Silicon Labs TrustZone implementation leads to accessing Trusted memory region
- CVE-2023-4020 Unvalidated input in Silicon Labs PSA Attestation service leads to secure memory access from non-secure memory
- CVE-2023-25181 Memory corruption in Cesium NET
Sources
Also known as GHSA-q35w-7696-fc7r.