CVE-2022-24936 Gecko Standalone Bootloader vulnerability may allow bypassing application secure boot in some Series 2 devices
An out-of-bounds error in the Gecko Bootloader allows attackers to overwrite secure boot keys, bypassing application security on Series 2 devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-24936?
CVE-2022-24936 is a high-severity memory corruption vulnerability in silabs.com Gecko Bootloader, published on 2 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Out-of-Bounds error in GBL parser in Silicon Labs Gecko Bootloader version 4.0.1 and earlier allows attacker to overwrite flash Sign key and OTA decryption key via malicious bootloader upgrade.
Which versions are affected by CVE-2022-24936?
It affects 1 product.
Products include Silabs Gecko Bootloader.
How do I fix CVE-2022-24936?
No fix has been published for CVE-2022-24936 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-24936 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-24936 exists.
Other vulnerabilities in silabs.com Gecko Bootloader
Sources
Also known as GHSA-v3qm-xpj7-89x6.