CVE-2019-13581 Explained : Impact and Mitigation
Discover the critical CVE-2019-13581 affecting Tesla Model S/X vehicles through a Wi-Fi firmware vulnerability. Learn about the impact, affected systems, exploitation, and mitigation steps.
In the Marvell 88W8688 Wi-Fi firmware, a vulnerability affects Tesla Model S/X vehicles made before March 2018 through the Parrot Faurecia Automotive FC6050W module. An attacker can exploit a heap-based buffer overflow by sending improperly formatted Wi-Fi packets, leading to a denial of service or unauthorized code execution.
Understanding CVE-2019-13581
This CVE identifies a critical vulnerability in the Marvell 88W8688 Wi-Fi firmware used in Tesla vehicles.
What is CVE-2019-13581?
This CVE describes a heap-based buffer overflow in the Wi-Fi firmware of Tesla Model S/X vehicles, allowing attackers to disrupt services or execute malicious code.
The Impact of CVE-2019-13581
The vulnerability poses a significant risk to the security and functionality of affected Tesla vehicles, potentially enabling remote attackers to compromise the system.
Technical Details of CVE-2019-13581
The technical aspects of the vulnerability are crucial for understanding its implications.
Vulnerability Description
A heap-based buffer overflow in the Marvell 88W8688 Wi-Fi firmware allows attackers to exploit improperly formatted Wi-Fi packets, leading to a denial of service or unauthorized code execution.
Affected Systems and Versions
- Tesla Model S/X vehicles manufactured before March 2018
- Parrot Faurecia Automotive FC6050W module
Exploitation Mechanism
Attackers can trigger the vulnerability by sending malformed Wi-Fi packets, causing the buffer overflow and subsequent exploitation.
Mitigation and Prevention
Taking immediate steps and implementing long-term security practices are essential to mitigate the risks associated with CVE-2019-13581.
Immediate Steps to Take
- Update the Wi-Fi firmware to the patched version if available
- Monitor network traffic for any suspicious activities
- Implement network segmentation to limit the impact of potential attacks
Long-Term Security Practices
- Regularly update all vehicle firmware and software components
- Conduct security assessments and penetration testing to identify vulnerabilities
- Educate users on safe Wi-Fi usage practices
Patching and Updates
- Apply security patches provided by Tesla for the affected vehicles
- Stay informed about security advisories and updates from Tesla to address emerging threats