CVE-2019-9331 Explained : Impact and Mitigation

Android Bluetooth vulnerability allows for remote information disclosure without user interaction.

Understanding CVE-2019-9331

A missing bounds check in Bluetooth on Android devices up to Android-10 can lead to out-of-bounds read vulnerabilities, potentially exposing remote information without additional execution privileges.

What is CVE-2019-9331?

This CVE identifies an information disclosure vulnerability in Android's Bluetooth implementation, affecting versions up to Android-10. Exploiting this flaw does not require user interaction.

The Impact of CVE-2019-9331

The vulnerability could allow attackers to access remote information without needing any additional execution privileges, posing a risk to user data confidentiality.

Technical Details of CVE-2019-9331

Vulnerability Description

The issue arises from a missing bounds check in the Bluetooth component of Android, enabling out-of-bounds read access.

Affected Systems and Versions

Product: Android
Versions Affected: Up to Android-10
Android ID: A-112272279

Exploitation Mechanism

Exploiting this vulnerability does not require any user interaction, making it easier for attackers to access remote information.

Mitigation and Prevention

Immediate Steps to Take

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

Long-Term Security Practices

Regularly update your Android device to the latest software version.
Implement network segmentation to isolate Bluetooth communication.

Patching and Updates

It is crucial to regularly check for and apply security updates released by Android to mitigate the risk of exploitation.