CVE-2022-30724 : Exploit Details and Defense Strategies

A vulnerability in Samsung Mobile Devices has been identified with potential security implications related to leaking the MAC address of connected Bluetooth devices.

Understanding CVE-2022-30724

This CVE is related to a specific issue in Samsung Mobile Devices that could lead to the exposure of MAC addresses of connected Bluetooth devices due to improper handling of broadcasting intents.

What is CVE-2022-30724?

The vulnerability lies in the sendIntentSessionCompleted function of Bluetooth prior to SMR Jun-2022 Release 1. This flaw allows broadcasting intents without proper restriction of receivers, resulting in the leakage of MAC addresses.

The Impact of CVE-2022-30724

With a CVSS base score of 4, this medium-severity vulnerability has a low impact on confidentiality and no impact on integrity and availability. The attack complexity is low and requires local access, with no privileges required.

Technical Details of CVE-2022-30724

This section outlines the specific technical details of the vulnerability.

Vulnerability Description

The vulnerability involves broadcasting intent without proper restriction of receivers in the Bluetooth function, leading to the exposure of MAC addresses.

Affected Systems and Versions

Samsung Mobile Devices with versions Q(10), R(11), S(12) prior to SMR Jun-2022 Release 1 are affected by this vulnerability.

Exploitation Mechanism

The exploitation of this vulnerability involves leveraging the improper handling of broadcasting intents to access and leak MAC addresses.

Mitigation and Prevention

Protecting against CVE-2022-30724 involves taking immediate steps and implementing long-term security practices.

Immediate Steps to Take

Users are advised to update their Samsung Mobile Devices to SMR Jun-2022 Release 1 or later to mitigate this vulnerability. Additionally, users should be cautious while connecting to Bluetooth devices.

Long-Term Security Practices

To enhance security posture, users should regularly update their devices, apply security patches promptly, and follow best practices for securing Bluetooth connections.

Patching and Updates

Samsung Mobile has released security updates addressing this vulnerability. Users should ensure they install the latest updates to protect their devices.