CVE-2021-0424 : Exploit Details and Defense Strategies

This CVE-2021-0424 involves a vulnerability in memory management driver present in various MediaTek products running Android 10.0 and 11.0. This flaw could result in a system crash and local denial of service without requiring additional execution privileges or user interaction for exploitation.

Understanding CVE-2021-0424

This section provides insights into the nature of the CVE-2021-0424 vulnerability.

What is CVE-2021-0424?

The vulnerability in the memory management driver can lead to a system crash and local denial of service without the need for additional privileges or user interaction.

The Impact of CVE-2021-0424

The impact involves a potential system crash and denial of service on devices running affected MediaTek products.

Technical Details of CVE-2021-0424

Here, we delve into the technical aspects of CVE-2021-0424.

Vulnerability Description

The issue arises due to a missing bounds check in the memory management driver, offering an opportunity for a denial of service attack.

Affected Systems and Versions

Products such as MT6580, MT6592E, MT6753, and many more are impacted, running Android 10.0 and 11.0.

Exploitation Mechanism

Exploiting this vulnerability does not require any user interaction and can lead to a local denial of service.

Mitigation and Prevention

This section outlines the steps to mitigate and prevent exploitation of CVE-2021-0424.

Immediate Steps to Take

Users are advised to apply the relevant patch identified by Patch ID: ALPS05403499 to safeguard their devices.

Long-Term Security Practices

Maintaining updated security patches and regular system updates can help prevent exploitation of vulnerabilities.

Patching and Updates

Regularly check for security bulletins and updates from MediaTek to stay protected against known vulnerabilities.