CVE-2022-36945 : What You Need to Know

A RollBack attack affecting certain Mazda vehicles enables remote attackers to unlock the vehicle by capturing three consecutive valid key-fob signals.

Understanding CVE-2022-36945

This CVE details a vulnerability in the Remote Keyless Entry (RKE) receiving unit of specific Mazda vehicles, allowing malicious actors to exploit the system.

What is CVE-2022-36945?

The vulnerability permits remote attackers to execute unlock operations on the targeted vehicles after intercepting three valid key-fob signals. This attack method, known as a RollBack attack, also allows the attacker to trigger resynchronization, enabling continuous unauthorized access.

The Impact of CVE-2022-36945

The vulnerability poses a significant security risk, as attackers can unlock affected vehicles effortlessly, potentially leading to theft or unauthorized access to the vehicle.

Technical Details of CVE-2022-36945

This section dives into specific technical aspects of the CVE, shedding light on the vulnerability's implications.

Vulnerability Description

The flaw in the RKE unit of Mazda vehicles allows attackers to bypass security measures and gain unauthorized access by leveraging a RollBack attack.

Affected Systems and Versions

Certain Mazda vehicles through 2020 are impacted by this vulnerability, making them susceptible to exploitation by malicious actors.

Exploitation Mechanism

Attackers can exploit this vulnerability by capturing three consecutive valid key-fob signals to unlock the vehicle and maintain continuous access.

Mitigation and Prevention

Protecting systems and vehicles against CVE-2022-36945 requires immediate actions and long-term security practices to ensure ongoing safety.

Immediate Steps to Take

Vehicle owners should consider additional security measures, such as physical deterrents, to mitigate the risk of unauthorized access until a patch is available.

Long-Term Security Practices

Implementing strong encryption mechanisms and periodically updating the vehicle's firmware can enhance security measures and prevent potential RollBack attacks.

Patching and Updates

Manufacturers should release security patches promptly to address the vulnerability in affected Mazda vehicles, safeguarding users against RollBack attacks.