CVE-2024-23973: (Pwn2Own) Silicon Labs Gecko OS HTTP GET Request Handling 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 handling of HTTP GET requests. 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·11:28 PM

Data Sourced

via MITRE·11:28 PM

RemedyDescriptionSeverityWeakness

Jan 31, 2025

Data Sourced

via NVD·12:15 AM

DescriptionSeverityWeaknessAffected Software

Feb 12, 2025

Advisory Published

via ZDI·10:46 PM

Frequently Asked Questions

What is the severity of CVE-2024-23973?

CVE-2024-23973 is rated as a critical severity vulnerability due to the potential for remote code execution without authentication.

How do I fix CVE-2024-23973?

To remediate CVE-2024-23973, update your installation of Silicon Labs Gecko OS to the latest version provided by the vendor.

Who is affected by CVE-2024-23973?

CVE-2024-23973 affects all installations of Silicon Labs Gecko OS that are exposed to network-adjacent attackers.

What type of attacks are possible with CVE-2024-23973?

CVE-2024-23973 allows attackers to execute arbitrary code on vulnerable devices, potentially leading to system compromise.

Is authentication required to exploit CVE-2024-23973?

No, CVE-2024-23973 can be exploited without any authentication, making it particularly dangerous.