ZDI-CAN-23241: ZDI-24-854: (Pwn2Own) Autel MaxiCharger AC Elite Business C50 DLB_HostHeartBeat 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. Authentication is not required to exploit this vulnerability. The specific flaw exists within the DLB_HostHeartBeat handler of the DLB protocol implementation. When parsing an AES key, the process does not properly validate 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-23241?
The vulnerability ZDI-CAN-23241 has a critical severity rating due to the potential for arbitrary code execution by network-adjacent attackers.
How do I fix ZDI-CAN-23241?
To mitigate ZDI-CAN-23241, update the Autel MaxiCharger AC Elite Business C50 to the latest firmware.
Who is affected by ZDI-CAN-23241?
ZDI-CAN-23241 specifically affects installations of the Autel MaxiCharger AC Elite Business C50 charging stations.
Can ZDI-CAN-23241 be exploited without authentication?
Yes, ZDI-CAN-23241 can be exploited without any authentication required.
What type of attack does ZDI-CAN-23241 enable?
ZDI-CAN-23241 allows network-adjacent attackers to execute arbitrary code on the vulnerable installations.
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