CVE-2019-9396 Explained : Impact and Mitigation

Android-10 Bluetooth Vulnerability

Understanding CVE-2019-9396

A potential denial of service vulnerability in Android-10's Bluetooth implementation.

What is CVE-2019-9396?

The vulnerability involves a lack of proper bounds checking in Bluetooth, potentially leading to controlled termination.
It can be exploited remotely without requiring additional execution privileges, and user interaction is not necessary.

The Impact of CVE-2019-9396

The vulnerability could allow attackers to remotely disrupt Bluetooth functionality on Android-10 devices.

Technical Details of CVE-2019-9396

Vulnerability Description

Lack of bounds checking in Bluetooth may result in controlled termination, leading to a denial of service.

Affected Systems and Versions

Affected Product: Android
Affected Version: Android-10

Exploitation Mechanism

Remote exploitation without the need for additional execution privileges or user interaction.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Disable Bluetooth when not in use to reduce the attack surface.

Long-Term Security Practices

Regularly update the device's operating system and applications.
Implement network segmentation to isolate Bluetooth-enabled devices.
Monitor Bluetooth activity for any suspicious behavior.

Patching and Updates

Refer to the official Android Security Bulletin for patch availability and installation instructions.