CVE-2023-26245 : What You Need to Know

This CVE record highlights an issue discovered in the Hyundai Gen5W_L in-vehicle infotainment system AE_E_PE_EUR.S5W_L001.001.211214. The vulnerability allows an attacker to modify the AppUpgrade binary file used during firmware installation, bypass version checks, and consequently install custom firmware on the IVI system.

Understanding CVE-2023-26245

This section delves deeper into the nature of CVE-2023-26245, its impacts, technical details, and mitigation strategies.

What is CVE-2023-26245?

CVE-2023-26245 is a security vulnerability in the Hyundai Gen5W_L in-vehicle infotainment system that enables an attacker to install custom firmware by manipulating the AppUpgrade binary file. This unauthorized firmware installation can have serious implications for the security and functionality of the IVI system.

The Impact of CVE-2023-26245

The impact of CVE-2023-26245 is significant as it allows threat actors to compromise the integrity of the Hyundai Gen5W_L infotainment system by installing unauthorized firmware. This could lead to various security risks and unauthorized access to the vehicle's systems and data.

Technical Details of CVE-2023-26245

In this section, we dive into the technical details of the vulnerability, including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability stems from the ability of an attacker to modify the AppUpgrade binary file, thus bypassing version checks and facilitating the installation of custom firmware on the Hyundai Gen5W_L in-vehicle infotainment system.

Affected Systems and Versions

The vulnerability affects the Hyundai Gen5W_L in-vehicle infotainment system version AE_E_PE_EUR.S5W_L001.001.211214, allowing for unauthorized firmware installation.

Exploitation Mechanism

By manipulating the AppUpgrade binary file, attackers can circumvent version checks and install custom firmware on the IVI system, compromising its security and functionality.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-26245, immediate steps should be taken along with the adoption of long-term security practices and regular patching.

Immediate Steps to Take

Users should contact Hyundai for guidance on mitigating the vulnerability in the in-vehicle infotainment system. Avoiding unauthorized modifications to the system is crucial to prevent the installation of custom firmware.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and staying informed about potential vulnerabilities in the IVI system are essential for long-term security measures.

Patching and Updates

Hyundai should release a security patch or update to address CVE-2023-26245. Users should promptly apply these patches to ensure their in-vehicle infotainment system is protected against unauthorized firmware installations.