CVE-2022-30723 : Security Advisory and Response
Learn about CVE-2022-30723 impacting Samsung Mobile Devices, leaking MAC addresses of connected Bluetooth devices. Follow mitigation steps to secure your device.
A vulnerability in Samsung Mobile Devices prior to SMR Jun-2022 Release 1 could lead to the leakage of the MAC address of connected Bluetooth devices, impacting user privacy and security.
Understanding CVE-2022-30723
This CVE describes a flaw in Samsung Mobile Devices that could expose sensitive information.
What is CVE-2022-30723?
The vulnerability involves broadcasting Intent without proper restriction of receivers in the activateVoiceRecognitionWithDevice function of Bluetooth prior to SMR Jun-2022 Release 1, resulting in the leakage of the MAC address of the connected Bluetooth device.
The Impact of CVE-2022-30723
The impact of this vulnerability is considered medium, with a CVSS base score of 4. While the attack complexity is low and requires local access, it could still lead to the exposure of MAC addresses, affecting user confidentiality.
Technical Details of CVE-2022-30723
This section covers specific technical details related to the vulnerability.
Vulnerability Description
The vulnerability stems from improper restriction of receivers in the Bluetooth function, allowing the leakage of MAC addresses.
Affected Systems and Versions
Samsung Mobile Devices running versions Q(10), R(11), S(12) prior to SMR Jun-2022 Release 1 are affected by this vulnerability.
Exploitation Mechanism
The vulnerability can be exploited by broadcasting Intent without adequate receiver restrictions, leading to the exposure of MAC addresses.
Mitigation and Prevention
Protecting against CVE-2022-30723 requires immediate actions and long-term security practices.
Immediate Steps to Take
Users should update their Samsung Mobile Devices to SMR Jun-2022 Release 1 or later to mitigate the vulnerability. Avoid using Bluetooth functionality in public or untrusted networks.
Long-Term Security Practices
Maintain regular updates for your devices to ensure the latest security patches are applied. Be cautious while sharing personal information over Bluetooth connections.
Patching and Updates
Samsung Mobile users should stay informed about security updates from the manufacturer and promptly install any patches released to address vulnerabilities.