ZDI-CAN-23226: ZDI-24-870: (Pwn2Own) Silicon Labs Gecko OS http_download Stack-based Buffer Overflow Remote Code Execution Vulnerability
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 httpdownload 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.
Other sources
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 ZDI has assigned a CVSS rating of 7.5. The following CVEs are assigned: CVE-2024-24731.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-23226?
The severity of ZDI-CAN-23226 is critical as it allows arbitrary code execution without authentication.
How do I fix ZDI-CAN-23226?
To fix ZDI-CAN-23226, users should update to the latest version of Silicon Labs Gecko OS that addresses this vulnerability.
What systems are impacted by ZDI-CAN-23226?
ZDI-CAN-23226 affects installations of Silicon Labs Gecko OS.
Can ZDI-CAN-23226 be exploited remotely?
Yes, ZDI-CAN-23226 can be exploited by network-adjacent attackers.
What command is associated with ZDI-CAN-23226?
The vulnerability in ZDI-CAN-23226 exists within the implementation of the http_download command.