CVE-2021-25433 : Security Advisory and Response

This CVE-2021-25433 article provides detailed information about an improper authorization vulnerability found in Tizen wearable devices manufactured by Samsung Mobile.

Understanding CVE-2021-25433

This section will cover the impact, technical details, and mitigation strategies related to CVE-2021-25433.

What is CVE-2021-25433?

The vulnerability lies in the Tizen factory reset policy before the Firmware update JUL-2021 Release. It allows untrusted applications to execute a factory reset using dbus signal.

The Impact of CVE-2021-25433

The vulnerability poses a severe risk as unauthorized applications can reset the device, leading to data loss and security breaches.

Technical Details of CVE-2021-25433

Below are the technical specifics of the CVE-2021-25433 vulnerability.

Vulnerability Description

The flaw permits untrusted apps to bypass authorization mechanisms and perform factory resets using dbus signal.

Affected Systems and Versions

The issue impacts Tizen 5.5 on wearable devices before the JUL-2021 Firmware update release.

Exploitation Mechanism

Attackers can exploit this vulnerability by running malicious applications to trigger unauthorized factory resets.

Mitigation and Prevention

This section outlines steps to mitigate the risks associated with CVE-2021-25433.

Immediate Steps to Take

Users are advised to update their Tizen wearable devices to the latest firmware version released in JUL-2021 to prevent unauthorized factory resets.

Long-Term Security Practices

Ensure that only trusted applications are installed on the devices and exercise caution while granting permissions to minimize security risks.

Patching and Updates

Regularly check for and install firmware updates provided by Samsung Mobile to patch known vulnerabilities and enhance device security.