CVE-2022-20088 : Security Advisory and Response
Discover the details of CVE-2022-20088, a vulnerability in certain MediaTek processors leading to local privilege escalation without user interaction. Learn about affected systems, exploitation, and mitigation steps.
In the aee driver of certain MediaTek processors, a reference count mistake exists due to incorrect error handling. This vulnerability could potentially allow an attacker to escalate local privileges without needing user interaction, requiring only System execution privileges for exploitation. The assigned Patch ID is ALPS06209201 with the Issue ID ALPS06209201.
Understanding CVE-2022-20088
This section provides an overview of the nature, impact, and technical details of CVE-2022-20088.
What is CVE-2022-20088?
CVE-2022-20088 involves a security flaw in the aee driver found in various MediaTek processors, potentially leading to local privilege escalation.
The Impact of CVE-2022-20088
The vulnerability in CVE-2022-20088 could allow an attacker to elevate privileges locally on affected devices without requiring any user interaction.
Technical Details of CVE-2022-20088
In this section, we delve into the specifics of the vulnerability, including its description, affected systems and versions, and exploitation mechanism.
Vulnerability Description
The vulnerability in the aee driver stems from a reference count mistake due to incorrect error handling, creating a potential privilege escalation path.
Affected Systems and Versions
The security flaw impacts a wide range of MediaTek processors running Android versions 11.0 and 12.0.
Exploitation Mechanism
Exploitation of CVE-2022-20088 can be achieved with System execution privileges, bypassing the need for any user interaction.
Mitigation and Prevention
This section outlines the steps to mitigate the risk posed by CVE-2022-20088 and prevent similar vulnerabilities in the future.
Immediate Steps to Take
- Users should apply the provided Patch ID ALPS06209201 to address the vulnerability promptly.
Long-Term Security Practices
- Regularly update devices with the latest security patches and firmware upgrades to protect against known vulnerabilities.
Patching and Updates
- Stay informed about security bulletins and advisories from MediaTek to apply relevant patches and updates for enhanced device security.