CVE-2021-0416 Explained : Impact and Mitigation

The CVE-2021-0416 vulnerability affects multiple MediaTek containers running on Android 10.0 and 11.0. It resides in the memory management driver, potentially causing a system crash due to improper input validation. This flaw could result in a local denial of service without requiring additional execution privileges, and exploitation does not necessitate user interaction. Patch ID: ALPS05403499; Issue ID: ALPS05336700.

Understanding CVE-2021-0416

This section delves into the details of the CVE-2021-0416 vulnerability.

What is CVE-2021-0416?

The CVE-2021-0416 vulnerability is present in the memory management driver of MediaTek containers, impacting Android versions 10.0 and 11.0. It poses a risk of system crashes through improper input validation, potentially leading to a local denial of service attack.

The Impact of CVE-2021-0416

The impact of CVE-2021-0416 includes the possibility of local denial of service attacks without requiring any additional execution privileges. User interaction is not necessary to exploit this vulnerability, making it a concerning security issue.

Technical Details of CVE-2021-0416

This section provides more insights into the technical aspects of CVE-2021-0416.

Vulnerability Description

The vulnerability arises from improper input validation in the memory management driver, which could trigger system crashes and local denial of service incidents.

Affected Systems and Versions

Multiple MediaTek containers running on Android versions 10.0 and 11.0 are affected by this vulnerability.

Exploitation Mechanism

Exploiting CVE-2021-0416 does not require user interaction and can lead to a local denial of service if proper patches and updates are not applied.

Mitigation and Prevention

Understanding how to mitigate and prevent CVE-2021-0416 is crucial for ensuring system security.

Immediate Steps to Take

Immediate steps involve applying provided patches like Patch ID: ALPS05403499 and ensuring that systems are updated to secure versions.

Long-Term Security Practices

Implementing robust security practices, regular patch management, and monitoring for updates are essential for long-term security.

Patching and Updates

Regularly checking for security updates and promptly applying patches from vendors like MediaTek is vital to safeguard systems against vulnerabilities.