CVE-2024-23967: (Pwn2Own) Autel MaxiCharger AC Elite Business C50 WebSocket Base64 Decoding Stack-based Buffer Overflow Remote Code Execution Vulnerability
Autel MaxiCharger AC Elite Business C50 WebSocket Base64 Decoding Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Elite Business C50 chargers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.
The specific flaw exists within the handling of base64-encoded data within WebSocket messages. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device.
Was ZDI-CAN-23230
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2024-23967?
CVE-2024-23967 has been classified as critical due to its potential for remote code execution.
How do I fix CVE-2024-23967?
To fix CVE-2024-23967, update the Autel MaxiCharger AC Elite Business C50 firmware to the latest version provided by Autel.
Who is affected by CVE-2024-23967?
CVE-2024-23967 affects installations of the Autel MaxiCharger AC Elite Business C50 running firmware version 1.32.00.
Can CVE-2024-23967 be exploited remotely?
Yes, CVE-2024-23967 can be exploited by network-adjacent attackers to execute arbitrary code.
What kind of vulnerability is CVE-2024-23967?
CVE-2024-23967 is a stack-based buffer overflow vulnerability related to WebSocket Base64 decoding.