CVE-2022-42431 Explained : Impact and Mitigation

Tesla Model 3 Infotainment 2022.12.22 is affected by a vulnerability that allows local attackers to escalate privileges and execute arbitrary code.

Understanding CVE-2022-42431

This CVE involves a flaw in the bcmdhd driver, enabling attackers to escalate privileges on Tesla Model 3 vehicles.

What is CVE-2022-42431?

This vulnerability enables local attackers to elevate privileges by exploiting a lack of input data validation in the bcmdhd driver on Tesla Model 3 Infotainment 2022.12.22.

The Impact of CVE-2022-42431

Attackers can leverage this vulnerability to execute arbitrary code with root privileges on the affected Tesla vehicles, leading to severe confidentiality, integrity, and availability impacts.

Technical Details of CVE-2022-42431

This section outlines the specifics of the vulnerability affecting Tesla Model 3 Infotainment 2022.12.22.

Vulnerability Description

The flaw arises from inadequate validation of user-supplied data length before copying to a buffer, allowing for privilege escalation.

Affected Systems and Versions

Vendor: Tesla
Affected Product: Model 3
Affected Version: Model 3 Infotainment 2022.12.22

Exploitation Mechanism

Attackers must first have the ability to execute privileged code on the system to exploit this vulnerability and escalate privileges.

Mitigation and Prevention

Learn how to protect your Tesla Model 3 vehicle from CVE-2022-42431.

Immediate Steps to Take

Monitor official security advisories from Tesla for patches and updates.
Implement restrictive user permissions to mitigate the risk of privilege escalation.

Long-Term Security Practices

Regularly update your Tesla vehicle's software to the latest available version.
Conduct security assessments to identify and address vulnerabilities proactively.

Patching and Updates

Ensure timely installation of security patches released by Tesla to address CVE-2022-42431.