CVE-2022-23994 : Exploit Details and Defense Strategies

A vulnerability has been identified in Samsung Wearable Devices running Wear OS 3.0 prior to the Firmware update released in February 2022. This vulnerability, known as CVE-2022-23994, allows untrusted applications to change the bedtime mode without proper permission.

Understanding CVE-2022-23994

This section provides an overview of the CVE-2022-23994 vulnerability.

What is CVE-2022-23994?

The vulnerability, labeled as CVE-2022-23994, is an Improper Access Control issue discovered in StBedtimeModeReceiver in Wear OS 3.0 before the February 2022 firmware update. It enables unauthorized applications to modify the bedtime mode without the necessary permissions.

The Impact of CVE-2022-23994

The impact of CVE-2022-23994 has been rated as LOW, as the vulnerability has a base score of 3.3. It requires user interaction and local access to exploit, with no impact on confidentiality, integrity, or privileges required.

Technical Details of CVE-2022-23994

In this section, we delve into the technical aspects of CVE-2022-23994.

Vulnerability Description

The vulnerability arises from improper access control in StBedtimeModeReceiver, affecting Wear OS 3.0 devices. Prior to the February 2022 firmware update, untrusted applications could manipulate the bedtime mode without the appropriate authorization.

Affected Systems and Versions

Samsung Wearable Devices running Wear OS 3.0 are impacted by CVE-2022-23994. Versions prior to the February 2022 firmware update are vulnerable to this access control issue.

Exploitation Mechanism

To exploit CVE-2022-23994, attackers need local access to the device and user interaction is required. Unauthorized applications can bypass the proper permissions to change the bedtime mode on vulnerable devices.

Mitigation and Prevention

Here, we discuss the steps to mitigate and prevent exploitation of CVE-2022-23994.

Immediate Steps to Take

Users are advised to update their Samsung Wearable Devices to the latest firmware version released in February 2022 to patch the vulnerability and prevent unauthorized access to the bedtime mode.

Long-Term Security Practices

It is essential to maintain regular updates and security checks on Wear OS devices to address any potential vulnerabilities and protect against unauthorized access.

Patching and Updates

Regularly check for firmware updates from Samsung Mobile to ensure that your device is running the latest security patches and fixes for known vulnerabilities.