CVE-2023-20751 Explained : Impact and Mitigation

This CVE record details a security vulnerability identified as CVE-2023-20751, which was published on June 6, 2023, by MediaTek. The vulnerability involves an out-of-bounds write issue in keymange, which could potentially result in local escalation of privilege. Exploiting this vulnerability does not require user interaction, and it necessitates System execution privileges for successful exploitation.

Understanding CVE-2023-20751

In this section, we will delve deeper into the nature and impact of CVE-2023-20751.

What is CVE-2023-20751?

CVE-2023-20751 refers to a vulnerability in keymange that could allow an attacker to perform an out-of-bounds write. This could be leveraged to escalate privileges locally without the need for user interaction, requiring System execution privileges for successful exploitation.

The Impact of CVE-2023-20751

The impact of CVE-2023-20751 is significant as it could potentially lead to an attacker gaining elevated privileges on the affected system. This could be exploited to carry out further malicious activities without detection.

Technical Details of CVE-2023-20751

In this section, we will explore the vulnerability description, affected systems, and the exploitation mechanism of CVE-2023-20751 in detail.

Vulnerability Description

The vulnerability in keymange results from a missing bounds check, leading to an out-of-bounds write scenario. This flaw can be manipulated by malicious actors to escalate privileges on the system.

Affected Systems and Versions

The vulnerability impacts various products from MediaTek, Inc., including MT8167, MT8167S, MT8168, MT8175, MT8195, MT8362A, and MT8365. Specifically, systems running Android 12.0 and 13.0 versions are affected by this security issue.

Exploitation Mechanism

Exploiting CVE-2023-20751 does not require user interaction, making it a potentially attractive target for attackers. By leveraging the out-of-bounds write in keymange, threat actors could escalate their privileges locally.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-20751, immediate steps need to be taken, alongside the implementation of long-term security practices and patching procedures.

Immediate Steps to Take

It is crucial to apply any available patches or security updates provided by MediaTek promptly. Organizations should also monitor for any signs of exploitation or unauthorized privilege escalation on their systems.

Long-Term Security Practices

Implementing robust security measures, such as regular security assessments, access controls, and security training for personnel, can help prevent similar vulnerabilities in the future.

Patching and Updates

Ensuring that systems are regularly updated with the latest patches and security fixes is essential to safeguard against known vulnerabilities like CVE-2023-20751. Organizations should stay informed about security bulletins and updates from product vendors to maintain the integrity of their systems.