Gecko Standalone Bootloader vulnerability may allow bypassing application secure boot in some Series 2 devices
CVE-2022-24936

8.3HIGH

Key Information:

Vendor

Silabs.com

Status
Gecko Bootloader
Vendor
CVE Published:
2 November 2022

What is CVE-2022-24936?

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.

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Deploy the Patch

Affected Version(s)

Gecko Bootloader 0 <= 4.0.1

References

https://community.silabs.com/sfc/servlet.shepherd/documen...
vendor-advisory
https://github.com/SiliconLabs/gecko_sdk/blame/2e82050dc8...
patch

CVSS V3.1

Score:
8.3
Severity:
HIGH
Confidentiality:
Low
Integrity:
High
Availability:
Low
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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