CVE-2022-20025 : What You Need to Know

Bluetooth in certain MediaTek devices is vulnerable to an out-of-bounds write issue, potentially leading to local privilege escalation without the need for additional execution privileges. Exploitation can occur without user interaction.

Understanding CVE-2022-20025

This CVE identifies a security vulnerability in MediaTek devices related to the handling of Bluetooth functionality.

What is CVE-2022-20025?

The CVE-2022-20025 highlights a flaw in the Bluetooth implementation on specific MediaTek devices that could allow an attacker to gain escalated privileges locally.

The Impact of CVE-2022-20025

The vulnerability could result in unauthorized privilege escalation, posing a risk to the security and integrity of the affected devices.

Technical Details of CVE-2022-20025

This section delves into the specifics of the vulnerability.

Vulnerability Description

The issue stems from a missing bounds check in the Bluetooth component, enabling an attacker to write out-of-bounds data.

Affected Systems and Versions

Devices running MediaTek MT8167, MT8175, MT8183, MT8362A, MT8365, and MT8385 with Android versions 8.1, 9.0, 10.0, 11.0, and 12.0 are impacted.

Exploitation Mechanism

The vulnerability can be exploited locally without requiring any user interaction, potentially leading to privilege escalation.

Mitigation and Prevention

To secure affected devices, immediate actions and long-term security measures are necessary.

Immediate Steps to Take

Users should apply the provided patch and update their devices to the latest firmware to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly update devices with the latest security patches to prevent potential vulnerabilities and enhance overall security.

Patching and Updates

Check the provided reference link for detailed information and instructions on securing MediaTek devices against CVE-2022-20025.