CVE-2023-20827 : Vulnerability Insights and Analysis

This CVE record, assigned by MediaTek, highlights a vulnerability in the ims service that could potentially lead to a local escalation of privilege without the need for user interaction. The vulnerability is caused by a race condition that triggers memory corruption, requiring System execution privileges for exploitation.

Understanding CVE-2023-20827

The CVE-2023-20827 vulnerability identified in the ims service poses a significant security risk due to its potential for local privilege escalation without the involvement of user interaction.

What is CVE-2023-20827?

CVE-2023-20827 is a vulnerability in the ims service that allows for memory corruption via a race condition. This flaw can be exploited to achieve a local escalation of privilege, requiring System execution privileges for successful attacks.

The Impact of CVE-2023-20827

The impact of CVE-2023-20827 is severe as it enables threat actors to escalate their privileges locally without any user interaction. This could potentially lead to unauthorized access and control over sensitive system functions.

Technical Details of CVE-2023-20827

The technical details of CVE-2023-20827 shed light on the specifics of the vulnerability, the affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in the ims service is attributed to a race condition that results in memory corruption. This flaw can be leveraged by attackers to gain elevated privileges on the local system without the need for user interaction.

Affected Systems and Versions

The CVE-2023-20827 affects a range of MediaTek products including MT6761, MT6762, MT6763, and several others. Specifically, devices running Android 12.0 and 13.0 versions are vulnerable to this privilege escalation exploit.

Exploitation Mechanism

The exploitation of CVE-2023-20827 involves leveraging the race condition in the ims service to trigger memory corruption, leading to the unauthorized escalation of privileges on the affected system.

Mitigation and Prevention

Addressing CVE-2023-20827 requires immediate steps to mitigate the risk of exploitation, as well as implementing long-term security practices to prevent similar vulnerabilities in the future.

Immediate Steps to Take

To safeguard against the CVE-2023-20827 vulnerability, it is crucial to apply the provided patch with Patch ID: ALPS07937105 and Issue ID: ALPS07937105. This will help to mitigate the risk of local privilege escalation.

Long-Term Security Practices

Implementing robust security practices such as regular security audits, timely patch management, and comprehensive vulnerability assessments can enhance the overall security posture and protect against potential threats like CVE-2023-20827.

Patching and Updates

Users and organizations utilizing impacted MediaTek products should promptly install the necessary patches and updates to address the CVE-2023-20827 vulnerability. Regularly applying security patches is essential to prevent exploits and maintain system integrity.