What is CVE-2023-4041?

CVE-2023-4041 is a vulnerability that allows a buffer overflow and code injection in Silicon Labs Gecko Bootloader on ARM devices.

How severe is the CVE-2023-4041 vulnerability?

The severity of CVE-2023-4041 is critical with a CVSS score of 9.8.

Which software is affected by the CVE-2023-4041 vulnerability?

The Silicon Labs Gecko Bootloader version up to 4.2.4 and versions between 4.3.0 and 4.3.2 on ARM devices are affected.

What is the impact of CVE-2023-4041?

CVE-2023-4041 allows code injection and authentication bypass, posing a significant security risk.

Is there a fix available for CVE-2023-4041?

It is recommended to update the Silicon Labs Gecko Bootloader to a version that is not affected by CVE-2023-4041.

Vulnerability/
CVE-2023-4041

critical

9.8

CWE

120 494 787 119 94 913

23/8/2023

3/10/2024

CVE-2023-4041: Second Stage Gecko Bootloader GBL Parser Buffer Overrun Vulnerability

First published: Wed Aug 23 2023(Updated: )

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Out-of-bounds Write, Download of Code Without Integrity Check vulnerability in Silicon Labs Gecko Bootloader on ARM (Firmware Update File Parser modules) allows Code Injection, Authentication Bypass.This issue affects "Standalone" and "Application" versions of Gecko Bootloader.

Credit: product-security@silabs.com product-security@silabs.com

Affected Software	Affected Version	How to fix
Silabs Gecko Bootloader	<4.2.4
Silabs Gecko Bootloader	>=4.3.0<4.3.2

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Reference Links

https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000XT8GsQAL?operationContext=S1

Frequently Asked Questions

What is CVE-2023-4041?
CVE-2023-4041 is a vulnerability that allows a buffer overflow and code injection in Silicon Labs Gecko Bootloader on ARM devices.
How severe is the CVE-2023-4041 vulnerability?
The severity of CVE-2023-4041 is critical with a CVSS score of 9.8.
Which software is affected by the CVE-2023-4041 vulnerability?
The Silicon Labs Gecko Bootloader version up to 4.2.4 and versions between 4.3.0 and 4.3.2 on ARM devices are affected.
What is the impact of CVE-2023-4041?
CVE-2023-4041 allows code injection and authentication bypass, posing a significant security risk.
Is there a fix available for CVE-2023-4041?
It is recommended to update the Silicon Labs Gecko Bootloader to a version that is not affected by CVE-2023-4041.

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vendor/silabs
canonical/silabs gecko bootloader
version/silabs gecko bootloader/4.3.0

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