CVE-2022-24936: Gecko Standalone Bootloader vulnerability may allow bypassing application secure boot in some Series 2 devices
First published: Wed Nov 02 2022(Updated: )
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.
Credit: product-security@silabs.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Silabs Gecko Bootloader | <=4.0.1 |
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Reference Links
Frequently Asked Questions
What is CVE-2022-24936?
CVE-2022-24936 is an out-of-bounds error vulnerability in the GBL parser in Silicon Labs Gecko Bootloader version 4.0.1 and earlier.
How does CVE-2022-24936 affect the affected software?
CVE-2022-24936 allows attackers to overwrite the flash Sign key and OTA decryption key through a malicious bootloader upgrade.
What is the severity of CVE-2022-24936?
CVE-2022-24936 has a severity rating of 9.1 (Critical).
How can I fix CVE-2022-24936?
To fix CVE-2022-24936, update to a version of Silicon Labs Gecko Bootloader that is later than 4.0.1.
Where can I find more information about CVE-2022-24936?
More information about CVE-2022-24936 can be found at the following references: [Reference 1](https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000Gdop4QAB?operationContext=S1), [Reference 2](https://github.com/SiliconLabs/gecko_sdk/blame/2e82050dc8823c9fe0e8908c1b2666fb83056230/platform/bootloader/core/btl_bootload.c)
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