CVE-2023-6073 : Security Advisory and Response

This CVE record pertains to a vulnerability in the ICAS 3 IVI ECU of Volkswagen ID.3 vehicles, allowing attackers to execute a Denial of Service (DoS) attack and manipulate volume settings via REST API calls.

Understanding CVE-2023-6073

This section delves into the specifics of CVE-2023-6073, covering its nature and impact.

What is CVE-2023-6073?

The CVE-2023-6073 vulnerability enables threat actors to crash the ICAS 3 IVI ECU in Volkswagen ID.3 cars, along with other VW Group vehicles sharing the same hardware. By utilizing REST API calls, attackers can launch a DoS attack and spoof volume control commands, setting the audio volume to its maximum capacity.

The Impact of CVE-2023-6073

The impact of this vulnerability includes the potential for disruptive DoS attacks on the ICAS 3 IVI ECU and the unauthorized manipulation of audio volume settings, leading to a significant inconvenience and safety risk for vehicle occupants.

Technical Details of CVE-2023-6073

This section provides detailed technical information about the CVE-2023-6073 vulnerability.

Vulnerability Description

The vulnerability allows attackers to crash the ICAS 3 IVI ECU and manipulate audio volume settings through REST API commands, leading to a DoS state and forcing the volume to the maximum level.

Affected Systems and Versions

The impacted system is the ICAS 3 IVI ECU found in Volkswagen ID.3 vehicles and other VW Group models sharing the same hardware, with a version of less than 3.2.

Exploitation Mechanism

The vulnerability can be exploited by sending crafted REST API requests to the affected system, resulting in a denial of service condition and unauthorized control over audio volume levels.

Mitigation and Prevention

In response to CVE-2023-6073, the following measures can be taken to mitigate the risk and prevent potential exploitation.

Immediate Steps to Take

Apply any available security patches or updates provided by Volkswagen to address the vulnerability promptly.
Monitor network traffic and system logs for any suspicious activity or unauthorized volume control commands.

Long-Term Security Practices

Implement proper access controls and input validation mechanisms to prevent unauthorized REST API calls and commands.
Regularly update and maintain the ICAS 3 IVI ECU software to ensure that known security issues are addressed promptly.

Patching and Updates

Stay informed about security advisories and patches released by Volkswagen for the affected ICAS 3 IVI ECU systems, and apply them as soon as they are available to protect against potential exploits.