ZDI-CAN-23396: ZDI-24-873: (Pwn2Own) Silicon Labs Gecko OS HTTP GET Request Handling Stack-based Buffer Overflow Remote Code Execution Vulnerability
First published: Fri Jun 21 2024(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 | Affected Version | How to fix |
|---|---|---|
| SiLabs Gecko SDK | ||
| SiLabs Gecko SDK |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-23396?
ZDI-CAN-23396 is considered a critical vulnerability allowing arbitrary code execution.
How do I fix ZDI-CAN-23396?
To address ZDI-CAN-23396, update to the latest version of Silicon Labs Gecko OS as recommended by the vendor.
What types of attacks can be executed through ZDI-CAN-23396?
ZDI-CAN-23396 allows network-adjacent attackers to execute arbitrary code on vulnerable systems.
Is authentication required to exploit ZDI-CAN-23396?
No, authentication is not required to exploit the vulnerability identified as ZDI-CAN-23396.
Which software is affected by ZDI-CAN-23396?
ZDI-CAN-23396 affects installations of Silicon Labs Gecko OS.
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