CVE-2023-32870 : What You Need to Know

A vulnerability has been identified in MediaTek devices that could allow local users to escalate their privileges without user interaction. This article provides detailed information about CVE-2023-32870, including its impact, technical details, and mitigation strategies.

Understanding CVE-2023-32870

This section will cover essential details about the CVE-2023-32870 vulnerability.

What is CVE-2023-32870?

The vulnerability exists in display Direct Rendering Manager (drm) and is caused by a missing bounds check, leading to a potential out-of-bounds read. The exploitation of this vulnerability could result in a local escalation of privilege, requiring system execution privileges.

The Impact of CVE-2023-32870

The impact of CVE-2023-32870 includes the risk of unauthorized local users gaining elevated privileges without the need for user interaction.

Technical Details of CVE-2023-32870

This section will delve into the technical specifics of CVE-2023-32870.

Vulnerability Description

The vulnerability originates from a missing bounds check in the display Direct Rendering Manager of MediaTek devices, enabling a possible out-of-bounds read.

Affected Systems and Versions

MediaTek devices running the following processors and Android versions are affected: MT6761, MT6765, MT6768, MT6779, MT6781, MT6785, MT6789, MT6833, MT6835, MT6853, MT6855, MT6873, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6893, MT6895, MT6983, MT6985, MT8168, MT8183, MT8188, MT8195, MT8673, MT8781 with Android 12.0 and 13.0.

Exploitation Mechanism

The exploitation of CVE-2023-32870 does not require user interaction, making it particularly concerning for local users of MediaTek devices.

Mitigation and Prevention

In this section, we discuss the steps to mitigate and prevent the exploitation of CVE-2023-32870.

Immediate Steps to Take

Users are advised to apply the provided patch ID: ALPS07363740 to address the vulnerability and prevent potential privilege escalation.

Long-Term Security Practices

Implementing secure coding practices and regularly updating the MediaTek devices can help mitigate the risk of privilege escalation vulnerabilities.

Patching and Updates

Regularly check for security bulletins and patches released by MediaTek to stay protected from known vulnerabilities.