CVE-2022-20063 : Security Advisory and Response

This article provides an in-depth analysis of CVE-2022-20063, a vulnerability found in MediaTek products that could lead to a local escalation of privilege.

Understanding CVE-2022-20063

This section delves into the details of the identified vulnerability in MediaTek products.

What is CVE-2022-20063?

CVE-2022-20063 is a vulnerability discovered in atf (spm) in MediaTek products, which could result in an out-of-bounds write due to a missing bounds check. Exploitation of this vulnerability requires user interaction and could lead to a local elevation of privilege.

The Impact of CVE-2022-20063

The impact of this vulnerability is the potential local escalation of privilege, requiring System execution privileges for exploitation.

Technical Details of CVE-2022-20063

This section provides a technical overview of the vulnerability, including affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability arises due to a missing bounds check in atf (spm) of MediaTek products, potentially allowing an out-of-bounds write.

Affected Systems and Versions

The affected products include MT6765, MT8385, MT8666, MT8667, MT8766, MT8786, MT8788 running Android 9.0 and Android 10.0.

Exploitation Mechanism

Exploitation of this vulnerability requires user interaction and can result in a local escalation of privilege.

Mitigation and Prevention

This section outlines steps to mitigate and prevent exploitation of CVE-2022-20063.

Immediate Steps to Take

Immediately apply the provided patch ID: ALPS06171715 to address the vulnerability effectively.

Long-Term Security Practices

Implement robust security practices, including regular security updates and audits, to prevent similar vulnerabilities in the future.

Patching and Updates

Ensure timely installation of security patches provided by MediaTek to stay protected against known vulnerabilities.