CVE-2021-0675 : What You Need to Know

A vulnerability with the CVE ID CVE-2021-0675 has been identified in the containers of certain MediaTek products. The vulnerability could potentially allow an attacker to execute local escalation of privilege without requiring additional execution privileges or user interaction.

Understanding CVE-2021-0675

This section provides an overview of the CVE-2021-0675 vulnerability.

What is CVE-2021-0675?

The vulnerability in the alac decoder is attributed to an incorrect bounds check, leading to a possible out-of-bounds write. Exploitation of this vulnerability could result in local privilege escalation.

The Impact of CVE-2021-0675

The impact of CVE-2021-0675 includes the potential for local escalation of privilege without the need for additional execution privileges or user interaction.

Technical Details of CVE-2021-0675

Here are the technical details of the CVE-2021-0675 vulnerability.

Vulnerability Description

The vulnerability arises from an incorrect bounds check in the alac decoder, allowing for a possible out-of-bounds write.

Affected Systems and Versions

The affected products include various MediaTek devices running Android versions 8.1, 9.0, 10.0, and 11.0.

Exploitation Mechanism

Exploitation of this vulnerability does not require user interaction, making it easier for attackers to carry out local privilege escalation.

Mitigation and Prevention

To address the CVE-2021-0675 vulnerability, consider the following mitigation strategies.

Immediate Steps to Take

It is advisable to apply the necessary patches and updates provided by MediaTek to mitigate the vulnerability and prevent potential exploitation.

Long-Term Security Practices

Maintaining regular security updates and following best security practices can help prevent similar vulnerabilities in the future.

Patching and Updates

Ensure that the affected systems are promptly updated with the latest security patches to protect against CVE-2021-0675.