ZDI-CAN-23384: ZDI-24-1154: Autel MaxiCharger AC Elite Business C50 AppAuthenExchangeRandomNum 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 EV chargers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the AppAuthenExchangeRandomNum BLE command. 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.
Other sources
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Elite Business C50 EV chargers. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 8.8. The following CVEs are assigned: CVE-2024-7795.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-23384?
ZDI-CAN-23384 has a critical severity rating due to the potential for arbitrary code execution by network-adjacent attackers.
How do I fix ZDI-CAN-23384?
To mitigate ZDI-CAN-23384, ensure that your Autel MaxiCharger AC Elite Business C50 is updated with the latest firmware provided by the vendor.
Who is affected by ZDI-CAN-23384?
ZDI-CAN-23384 affects installations of the Autel MaxiCharger AC Elite Business C50 EV chargers.
Can ZDI-CAN-23384 be exploited remotely?
Yes, ZDI-CAN-23384 can be exploited by network-adjacent attackers without the need for authentication.
What type of vulnerability is ZDI-CAN-23384?
ZDI-CAN-23384 is a code execution vulnerability that allows arbitrary commands to be executed on affected devices.