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

Quick assessment

Affected
silabs.com Gecko Bootloader
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Silicon Labs Gecko SDK（GSDK）是Silicon Labs开源的一个库。将 Silicon Labs 无线软件开发工具包（SDK）和 Gecko 平台结合为一个集成的软件包。 Silicon Labs Gecko SDK 4.0.1 版本及之前版本存在安全漏洞，该漏洞源于 GBL 解析器出现越界错误。

CVSS 8.3 · High EPSS 0.81% · P54

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-24936

Vulnerability Information
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Vulnerability Title
Gecko Standalone Bootloader vulnerability may allow bypassing application secure boot in some Series 2 devices
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Silicon Labs Gecko SDK 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Silicon Labs Gecko SDK（GSDK）是Silicon Labs开源的一个库。将 Silicon Labs 无线软件开发工具包（SDK）和 Gecko 平台结合为一个集成的软件包。 Silicon Labs Gecko SDK 4.0.1 版本及之前版本存在安全漏洞，该漏洞源于 GBL 解析器出现越界错误。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
silabs.com Gecko Bootloader 0 ~ 4.0.1 -

II. Public POCs for CVE-2022-24936

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III. Intelligence Information for CVE-2022-24936

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Other References for CVE-2022-24936 (2)

IV. Related Vulnerabilities

Same product: Gecko Bootloader
Same vendor: silabs.com
Same weakness: CWE-119

V. Comments for CVE-2022-24936

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