PT-2024-20200 · Autel · Autel Maxicharger Ac Elite Business C50

Midnight Blue · Published 2024-06-21 · Updated 2024-10-03 · CVE-2024-23957

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Autel MaxiCharger AC Elite Business C50 (affected versions not specified)

Description This issue 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 issue. 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 issue to execute code in the context of the device.

Recommendations At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

CVE-2024-23957

ZDI-24-854

Affected Products

Autel Maxicharger Ac Elite Business C50

References · 8

• https://zerodayinitiative.com/advisories/ZDI-24-854 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-23957 · Security Note
• https://osv.dev/vulnerability/CVE-2024-23957 · Vendor Advisory
• https://t.me/cvedetector/6594 · Telegram Post
• https://t.me/cvenotify/96949 · Telegram Post
• https://t.me/cvenotify/96460 · Telegram Post
• https://twitter.com/cracbot/status/1841357547196051527 · Twitter Post
• https://t.me/latest_high_impact_cve/1227 · Telegram Post