CVE-2022-24936

Gecko Standalone Bootloader vulnerability may allow bypassing application secure boot in some Series 2 devices

State: Published
Severity: 8.3 High
Published: Nov 2, 2022
Updated: May 2, 2025
Reserved: Feb 10, 2022

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.

Scores

CVSS	Score	Vector	Source
3.1	8.3 High	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H	Silabs

Weaknesses

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

Product	Versions
Gecko Bootloadersilabs.com	4.0.1 and earlierAffected

References

https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000Gdop4QAB?operationContext=S1vendor-advisory
https://github.com/SiliconLabs/gecko_sdk/blame/2e82050dc8823c9fe0e8908c1b2666fb83056230/platform/bootloader/core/btl_bootload.cpatch

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