CVE-2024-24731: (Pwn2Own) Silicon Labs Gecko OS http_download Stack-based Buffer Overflow Remote Code Execution Vulnerability

Published Jan 30, 2025

Updated

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the http_download command. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.

Affected Software

2 affected components

Silicon Labs Gecko OS

Silabs Gecko Os

Remediation

Information

Silicon Labs has issued an update to correct this vulnerability. More details can be found at: https://community.silabs.com/a45Vm0000000Atp

Event History

Jan 30, 2025

CVE Published

via MITRE·11:25 PM

Data Sourced

via MITRE·11:25 PM

RemedyDescriptionSeverityWeakness

Jan 31, 2025

Data Sourced

via NVD·12:15 AM

DescriptionSeverityWeaknessAffected Software

Feb 12, 2025

Advisory Published

via ZDI·10:46 PM

Aug 31, 57718

Event

via NVD·06:23 PM

Frequently Asked Questions

What is the severity of CVE-2024-24731?

CVE-2024-24731 is considered critical due to its ability to allow arbitrary code execution without authentication.

How do I fix CVE-2024-24731?

To fix CVE-2024-24731, update your installation of Silicon Labs Gecko OS to the latest patched version.

Who is affected by CVE-2024-24731?

CVE-2024-24731 affects all installations of Silicon Labs Gecko OS that have not been updated to mitigate the vulnerability.

What type of attack can exploit CVE-2024-24731?

CVE-2024-24731 can be exploited by network-adjacent attackers to execute arbitrary code.

Is authentication required to exploit CVE-2024-24731?

No, CVE-2024-24731 does not require authentication for exploitation.