ZDI-CAN-23194: ZDI-24-851: (Pwn2Own) Autel MaxiCharger AC Elite Business C50 BLE AppChargingControl 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 Autel MaxiCharger AC Elite Business C50 charging stations. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of the AppChargingControl 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Autel MaxiCharger |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-23194?
The severity of ZDI-CAN-23194 is high due to the ability for network-adjacent attackers to execute arbitrary code.
How do I fix ZDI-CAN-23194?
To fix ZDI-CAN-23194, ensure you apply the latest security updates provided by Autel for the MaxiCharger AC Elite Business C50.
What are the risks associated with ZDI-CAN-23194?
The risks associated with ZDI-CAN-23194 include potential unauthorized access and control over the charging station.
Who is affected by ZDI-CAN-23194?
ZDI-CAN-23194 affects users of the Autel MaxiCharger AC Elite Business C50 charging stations.
Is authentication effective against ZDI-CAN-23194?
The authentication mechanism against ZDI-CAN-23194 can be bypassed, making it ineffective for preventing exploitation.
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