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CVE-2024-23957

Oct. 3, 2024, 5:37 p.m.

CVSS Score

8.8 / 10

Products Impacted

Vendor Product Versions
autel
  • maxicharger_ac_elite_business_c50_firmware
  • maxicharger_ac_elite_business_c50
  • 1.32.00
  • -

Description

Autel MaxiCharger AC Elite Business C50 DLB_HostHeartBeat 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 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. Was ZDI-CAN-23241

Weaknesses

CWE-121
Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

CWE ID: 121
CWE-787
Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

CWE ID: 787

Date

Published: Sept. 28, 2024, 6:15 a.m.

Last Modified: Oct. 3, 2024, 5:37 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cve@asrg.io

CPEs

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
o autel maxicharger_ac_elite_business_c50_firmware 1.32.00 / / / / / / /
h autel maxicharger_ac_elite_business_c50 - / / / / / / /

CVSS Data

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score
8.8
Exploitability Score
2.8
Impact Score
5.9
Base Severity
HIGH
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References