CVE-2019-16400 : What You Need to Know

Samsung Galaxy S8 plus, Samsung Galaxy S3, and Samsung Galaxy Note 2 devices are vulnerable to Denial of Service (DoS) attacks via Bluetooth AT commands.

Understanding CVE-2019-16400

This CVE involves a vulnerability in Samsung Galaxy S8 plus, Samsung Galaxy S3, and Samsung Galaxy Note 2 devices that allows attackers to exploit Bluetooth to launch DoS attacks.

What is CVE-2019-16400?

The vulnerability in the mentioned Samsung devices enables attackers to execute DoS attacks by sending AT commands through Bluetooth connections.

The Impact of CVE-2019-16400

The vulnerability poses a significant risk as attackers can disrupt the normal functioning of the affected devices, potentially causing service interruptions and device unresponsiveness.

Technical Details of CVE-2019-16400

This section provides detailed technical information about the CVE-2019-16400 vulnerability.

Vulnerability Description

The vulnerability allows attackers to send AT commands over Bluetooth, leading to various DoS attacks on Samsung Galaxy S8 plus, Samsung Galaxy S3, and Samsung Galaxy Note 2 devices.

Affected Systems and Versions

Samsung Galaxy S8 plus (Android version: 8.0.0, Build Number: R16NW.G955USQU5CRG3, Baseband Vendor: Qualcomm Snapdragon 835)
Samsung Galaxy S3 (Android version: 4.3, Build Number: JSS15J.I9300XXUGND5, Baseband Vendor: Samsung Exynos 4412)
Samsung Galaxy Note 2 (Android version: 4.3, Build Number: JSS15J.I9300XUGND5, Baseband Vendor: Samsung Exynos 4412)

Exploitation Mechanism

Attackers exploit the vulnerability by sending malicious AT commands through Bluetooth connections, triggering DoS attacks on the affected Samsung devices.

Mitigation and Prevention

To address CVE-2019-16400, users and organizations should take immediate and long-term security measures.

Immediate Steps to Take

Disable Bluetooth when not in use to prevent unauthorized access.
Regularly update device firmware to patch known vulnerabilities.
Monitor Bluetooth connections for suspicious activities.

Long-Term Security Practices

Implement network segmentation to isolate critical devices from potential attacks.
Educate users on safe Bluetooth usage practices to minimize risks.

Patching and Updates

Apply security patches provided by Samsung to address the Bluetooth vulnerability.