CVE-2023-20846 Explained : Impact and Mitigation

This CVE record was assigned by MediaTek and published on September 4, 2023. It involves an issue in imgsys_cmdq with a potential out-of-bounds read leading to local information disclosure, requiring system execution privileges. User interaction is necessary for exploiting this vulnerability.

Understanding CVE-2023-20846

This section will provide insights into the nature and impact of CVE-2023-20846.

What is CVE-2023-20846?

CVE-2023-20846 is a security vulnerability identified in imgsys_cmdq. The vulnerability could allow an attacker to perform an out-of-bounds read operation, potentially resulting in local information disclosure. Successful exploitation requires system execution privileges and some level of user interaction.

The Impact of CVE-2023-20846

The impact of this vulnerability is concerning as it could lead to the disclosure of sensitive information stored on the affected system. Unauthorized access to such data could have serious consequences for both individuals and organizations, emphasizing the need for prompt mitigation measures.

Technical Details of CVE-2023-20846

Delve deeper into the technical aspects of CVE-2023-20846 to understand its implications and scope.

Vulnerability Description

The vulnerability in imgsys_cmdq arises from a missing valid range checking, enabling an attacker to perform out-of-bounds read operations. This could potentially expose sensitive information to unauthorized parties, posing a risk to system security.

Affected Systems and Versions

The following MediaTek products are affected by CVE-2023-20846:

MT6895
MT6897
MT6983
MT8188
MT8195
MT8395
MT8781

The affected versions include Android 11.0 and 12.0, Linux 6.1, IOT-v23.0, and Yocto 4.0.

Exploitation Mechanism

Exploiting this vulnerability requires system execution privileges and user interaction. By leveraging the out-of-bounds read capability in imgsys_cmdq, an attacker could potentially gain access to sensitive information on the affected systems.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2023-20846 to safeguard your systems and data.

Immediate Steps to Take

To address CVE-2023-20846, it is crucial to apply immediate security measures. System administrators and users are advised to implement security best practices, restrict unnecessary privileges, and monitor system activities for any suspicious behavior.

Long-Term Security Practices

Enhancing long-term security practices is essential to prevent similar vulnerabilities in the future. Regular security audits, employee training on cybersecurity best practices, and timely software updates can help mitigate the risk of potential exploits.

Patching and Updates

MediaTek has released Patch ID ALPS07354023 to address CVE-2023-20846. It is imperative for users and organizations utilizing the affected products and versions to promptly apply the provided patches and updates to eliminate the vulnerability and strengthen system security.