CVE-2018-16264 : Exploit Details and Defense Strategies

BlueZ system service in Tizen allows an unprivileged process to partially control Bluetooth or acquire sensitive information due to improper D-Bus security policy configurations.

Understanding CVE-2018-16264

This CVE affects Tizen versions earlier than 5.0 M1 and Tizen-based firmwares like the Samsung Galaxy Gear series before build RE2.

What is CVE-2018-16264?

The vulnerability arises from the improper configuration of D-Bus security policies in the BlueZ system service of Tizen, enabling unauthorized access to Bluetooth functionalities and sensitive data.

The Impact of CVE-2018-16264

The vulnerability allows an unprivileged process to gain partial control over Bluetooth functionalities or access sensitive data, posing a risk to user privacy and device security.

Technical Details of CVE-2018-16264

The technical aspects of this CVE are as follows:

Vulnerability Description

Improper D-Bus security policy configurations in the BlueZ system service of Tizen

Affected Systems and Versions

Tizen versions earlier than 5.0 M1
Tizen-based firmwares such as Samsung Galaxy Gear series before build RE2

Exploitation Mechanism

Unprivileged processes can exploit the vulnerability to gain partial control over Bluetooth functionalities or access sensitive data

Mitigation and Prevention

To address CVE-2018-16264, consider the following steps:

Immediate Steps to Take

Update Tizen to version 5.0 M1 or later
Apply security patches provided by Tizen or Samsung for affected devices
Monitor Bluetooth activity for any suspicious behavior

Long-Term Security Practices

Regularly update firmware and software to the latest versions
Implement proper access controls and security configurations for D-Bus policies

Patching and Updates

Stay informed about security advisories from Tizen and Samsung
Apply patches promptly to mitigate known vulnerabilities