Autel MaxiCharger AC Elite Business C50 AppAuthenExchangeRandomNum stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Autel MaxiCharger AC Elite Business C50. Affected is the function AppAuthenExchangeRandomNum. Executing a manipulation can lead to stack-based overflow. This vulnerability is tracked as CVE-2024-7795. The attack is only possible within the local network. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Autel MaxiCharger AC Elite Business C50 (the affected version unknown). It has been declared as critical. This vulnerability affects the function AppAuthenExchangeRandomNum. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. 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). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Autel MaxiCharger AC Elite Business C50 AppAuthenExchangeRandomNum 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 EV chargers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the AppAuthenExchangeRandomNum BLE command. 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-23384.

The advisory is available at zerodayinitiative.com. This vulnerability was named CVE-2024-7795 since 08/14/2024. The exploitation appears to be easy. The attack needs to be done within the local network. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/14/2024 🔍
08/21/2024 +7 days 🔍
08/21/2024 +0 days 🔍
08/24/2024 +3 days 🔍

Sourcesinfo

Advisory: ZDI-24-1154
Status: Confirmed

CVE: CVE-2024-7795 (🔍)
GCVE (CVE): GCVE-0-2024-7795
GCVE (VulDB): GCVE-100-275362

Entryinfo

Created: 08/21/2024 07:54
Updated: 08/24/2024 09:07
Changes: 08/21/2024 07:54 (52), 08/22/2024 13:27 (12), 08/24/2024 09:07 (10)
Complete: 🔍
Cache ID: 216::103

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