Discover the impact of CVE-2021-23907, a vulnerability in the Headunit NTG6 of Mercedes-Benz MBUX Infotainment System allowing remote code execution. Learn mitigation and prevention steps.
An issue was discovered in the Headunit NTG6 in the MBUX Infotainment System on Mercedes-Benz vehicles through 2021. The count in MultiSvGet, GetAttributes, and MultiSvSet is not checked in the HiQnet Protocol, leading to remote code execution.
Understanding CVE-2021-23907
This CVE refers to a vulnerability found in the Headunit NTG6 in the MBUX Infotainment System on Mercedes-Benz vehicles, allowing remote code execution.
What is CVE-2021-23907?
The issue in the HiQnet Protocol of the Headunit NTG6 in the MBUX Infotainment System on Mercedes-Benz vehicles enables an attacker to execute remote code.
The Impact of CVE-2021-23907
The vulnerability poses a low severity risk as it requires physical access and user interaction, but can lead to unauthorized remote code execution, compromising the vehicle's systems.
Technical Details of CVE-2021-23907
The CVSS score for this CVE is 2.9, indicating a low base severity with high attack complexity and physical access requirement.
Vulnerability Description
The vulnerability lies in the HiQnet Protocol, where the count in MultiSvGet, GetAttributes, and MultiSvSet is not properly checked, allowing an attacker to execute code remotely.
Affected Systems and Versions
All Mercedes-Benz vehicles equipped with the Headunit NTG6 in the MBUX Infotainment System are affected through 2021.
Exploitation Mechanism
To exploit this vulnerability, an attacker needs physical access to the vehicle and user interaction to trigger the remote code execution.
Mitigation and Prevention
It is crucial to take immediate steps and implement long-term security practices to prevent unauthorized access and exploitation of this vulnerability.
Immediate Steps to Take
Owners of affected vehicles should be cautious and follow any security advisories provided by Mercedes-Benz or the system manufacturer.
Long-Term Security Practices
Regularly update the vehicle's software and firmware to patch any known vulnerabilities and enhance overall security.
Patching and Updates
Mercedes-Benz should release patches and updates to fix the vulnerability in the Headunit NTG6 and MBUX Infotainment System to prevent remote code execution.