CVE-2024-23967: Autel MaxiCharger AC Elite Business C50 WebSocket Base64 Decoding Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows…

PriorityP355high8CVSS 3.1

AVAACLPRLUINSUCHIHAH

EPSS

0.89%

54.9th percentile

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

2 ranges

Vendor	Product	Version range	Fixed in
autel	maxicharger_ac_elite_business_c50	—	—
autel	maxicharger_ac_elite_business_c50_firmware	—	—

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