CVE-2024-23935: (Pwn2Own) Alpine Halo9 DecodeUTF7 Stack-based Buffer Overflow Remote Code Execution Vulnerability
Alpine Halo9 DecodeUTF7 Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Alpine Halo9 devices. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability.
The specific flaw exists within the DecodeUTF7 function. 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 root.
Was ZDI-CAN-23249
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2024-23935?
CVE-2024-23935 is rated as a critical vulnerability due to its ability to allow remote code execution.
How do I fix CVE-2024-23935?
To fix CVE-2024-23935, update the Alpine Halo9 devices to the latest patch released by the vendor.
Who is affected by CVE-2024-23935?
CVE-2024-23935 affects installations of Alpine Halo9 devices running specific firmware versions.
What type of vulnerability is CVE-2024-23935?
CVE-2024-23935 is a stack-based buffer overflow vulnerability that can lead to remote code execution.
Can an attacker exploit CVE-2024-23935 remotely?
Yes, an attacker can exploit CVE-2024-23935 remotely if they can pair a malicious Bluetooth device.