CVE-2022-21766 Explained : Impact and Mitigation

This CVE-2022-21766 affects multiple MediaTek processors running Android 10.0, 11.0, and 12.0. The vulnerability lies in CCCI and could allow an attacker to execute local escalation of privilege without requiring user interaction.

Understanding CVE-2022-21766

This section provides insights into the nature and impact of CVE-2022-21766.

What is CVE-2022-21766?

The vulnerability in CCCI results from a missing bounds check, leading to a potential out-of-bounds write. Attackers could exploit this flaw to escalate privileges locally.

The Impact of CVE-2022-21766

Given the privilege escalation potential without user interaction, exploitation of this vulnerability could compromise system security and integrity.

Technical Details of CVE-2022-21766

Delve deeper into the technical aspects of CVE-2022-21766 to understand its implications.

Vulnerability Description

The vulnerability allows for out-of-bounds write in CCCI due to the absence of a bounds check, potentially leading to local privilege escalation.

Affected Systems and Versions

Devices powered by MediaTek processors including MT6580, MT6735, MT6737, and more, running Android 10.0, 11.0, and 12.0 are impacted by this vulnerability.

Exploitation Mechanism

Exploiting this vulnerability does not require user interaction, making it easier for threat actors to execute local privilege escalation attacks.

Mitigation and Prevention

Learn about the steps to mitigate the risks associated with CVE-2022-21766.

Immediate Steps to Take

It is crucial to apply patches promptly to address the vulnerability and prevent potential exploitation. Patch ID ALPS06641673 is available for remediation.

Long-Term Security Practices

Implementing robust security practices, such as regular system updates and security monitoring, can help prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates from MediaTek and apply patches regularly to protect your devices from known vulnerabilities.