CVE-2023-28897 : Vulnerability Insights and Analysis

This CVE record, assigned by ASRG, was published on January 12, 2024, and affects the MIB3 Infotainment Unit by PREH GMBH. The vulnerability involves a hardcoded password for access to critical UDS services, leading to an authentication bypass scenario on affected systems.

Understanding CVE-2023-28897

This section delves deeper into the specifics of CVE-2023-28897, exploring what the vulnerability entails and its potential impacts.

What is CVE-2023-28897?

The vulnerability in CVE-2023-28897 stems from the hardcoded password used for accessing critical UDS services in the MIB3 Infotainment Unit. This flaw could allow unauthorized users to bypass authentication measures and gain access to sensitive services.

The Impact of CVE-2023-28897

With a CVSSv3.1 base score of 4 (medium severity), the impact of CVE-2023-28897 is concerning. It enables threat actors to bypass authentication mechanisms, potentially leading to unauthorized access to critical services and data.

Technical Details of CVE-2023-28897

In this section, we explore the technical aspects of CVE-2023-28897, including vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability involves a hardcoded password within the MIB3 Infotainment Unit firmware, allowing unauthorized individuals to access critical UDS services without proper authentication.

Affected Systems and Versions

The CVE-2023-28897 affects the MIB3 Infotainment Unit by PREH GMBH with versions up to and including 0304. Specifically, vehicles such as the Škoda Superb III (3V3) - 2.0 TDI manufactured in 2022 are known to be impacted.

Exploitation Mechanism

Threat actors can exploit this vulnerability by leveraging the hardcoded password within the firmware to bypass authentication mechanisms and gain unauthorized access to critical UDS services.

Mitigation and Prevention

To address CVE-2023-28897 and mitigate its potential risks, immediate steps should be taken, along with the implementation of long-term security practices and timely patching.

Immediate Steps to Take

Immediate actions include updating the firmware of the affected MIB3 Infotainment Units to remove the hardcoded password and enhance authentication security measures.

Long-Term Security Practices

Implementing robust access control measures, regular security assessments, and security awareness training can help prevent similar vulnerabilities in the future and bolster overall cybersecurity posture.

Patching and Updates

It is crucial for users of the affected systems to promptly apply patches and updates released by the vendor to address the hardcoded password vulnerability and prevent exploitation by malicious actors.

By understanding the details and implications of CVE-2023-28897, organizations can take proactive steps to safeguard their systems and data from potential security risks.