CVE-2022-20105 : What You Need to Know

This article provides details about CVE-2022-20105, a vulnerability in MediaTek containers that could lead to local privilege escalation without requiring user interaction.

Understanding CVE-2022-20105

CVE-2022-20105 is a security vulnerability found in MediaTek containers that poses a risk of unauthorized escalation of privileges with System execution privileges. The issue resides in the MM service and involves a stack-based buffer overflow.

What is CVE-2022-20105?

The vulnerability in the MM service can result in an out-of-bounds write, potentially allowing an attacker to execute arbitrary code and escalate privileges locally on the affected systems.

The Impact of CVE-2022-20105

If exploited, CVE-2022-20105 could enable an attacker to gain unauthorized access and execute privileged operations on the system, posing a significant security risk without requiring any user interaction.

Technical Details of CVE-2022-20105

The technical details of CVE-2022-20105 include:

Vulnerability Description

The vulnerability is due to a stack-based buffer overflow in the MM service, leading to an out-of-bounds write that could be leveraged for local privilege escalation.

Affected Systems and Versions

The vulnerability affects a range of MediaTek products including MT9011, MT9215, MT9220, MT9221, and more. Systems running Android 9.0, 10.0, 11.0, or Linux Kernel 4.9 and 4.19 are vulnerable to this issue.

Exploitation Mechanism

Exploiting CVE-2022-20105 does not require user interaction, making it a significant threat for systems using the impacted MediaTek containers.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-20105, consider the following actions:

Immediate Steps to Take

Apply the provided patch ID: DTV03330460 to address the vulnerability in the MM service.

Long-Term Security Practices

Implement robust security measures, such as regular security audits and monitoring, to detect and prevent similar vulnerabilities in the future.

Patching and Updates

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