CVE-2024-23957: (Pwn2Own) Autel MaxiCharger AC Elite Business C50 DLB_HostHeartBeat Stack-based Buffer Overflow Remote Code Execution Vulnerability
Autel MaxiCharger AC Elite Business C50 DLBHostHeartBeat 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 charging stations. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the DLBHostHeartBeat 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.
Was ZDI-CAN-23241
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2024-23957?
CVE-2024-23957 has been classified as a high-severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2024-23957?
To mitigate CVE-2024-23957, update the Autel MaxiCharger AC Elite Business C50 to the latest firmware version available from the vendor.
Who is affected by CVE-2024-23957?
CVE-2024-23957 affects users of the Autel MaxiCharger AC Elite Business C50, particularly those using firmware version 1.32.00.
What type of vulnerability is CVE-2024-23957?
CVE-2024-23957 is a stack-based buffer overflow vulnerability that can lead to arbitrary code execution.
Can CVE-2024-23957 be exploited remotely?
Yes, CVE-2024-23957 can be exploited by network-adjacent attackers, making it critical for users to apply recommended security measures.