Learn about CVE-2023-20627, a vulnerability in pqframework leading to local privilege escalation on MediaTek products. Find out how to mitigate and prevent exploitation.
This article provides detailed information about CVE-2023-20627, including its description, impact, technical details, affected systems, exploitation mechanism, mitigation, and prevention measures.
Understanding CVE-2023-20627
CVE-2023-20627 is a vulnerability identified in pqframework that could potentially result in an out-of-bounds write due to a missing bounds check. This vulnerability has the potential to be exploited locally to escalate privileges without the need for user interaction, requiring System execution privileges for exploitation.
What is CVE-2023-20627?
The vulnerability in pqframework can allow malicious actors to gain escalated privileges on the affected system without the need for user interaction. The absence of proper bounds checking can lead to unauthorized write access outside the designated memory areas, potentially allowing attackers to execute arbitrary code with elevated privileges.
The Impact of CVE-2023-20627
The impact of CVE-2023-20627 includes the risk of local privilege escalation on systems running the affected MediaTek products. This could result in unauthorized access to sensitive information, execution of malicious commands, and overall compromise of system integrity and security.
Technical Details of CVE-2023-20627
The technical details of CVE-2023-20627 involve a vulnerability in pqframework within certain MediaTek products, including MT6879, MT6895, MT6983, MT8167, and MT8168, running Android 12.0 and 13.0 versions.
Vulnerability Description
The vulnerability arises from a missing bounds check in pqframework, allowing unauthorized write access beyond designated memory areas, leading to potential privilege escalation without the need for user interaction.
Affected Systems and Versions
The affected systems include MediaTek products such as MT6879, MT6895, MT6983, MT8167, and MT8168 running Android 12.0 and 13.0 versions.
Exploitation Mechanism
The exploitation of CVE-2023-20627 does not require user interaction and can be executed locally to escalate privileges with the necessary System execution permissions.
Mitigation and Prevention
To mitigate the risks associated with CVE-2023-20627, users and organizations are advised to take immediate action and implement long-term security practices.
Immediate Steps to Take
Immediate steps to address CVE-2023-20627 include applying patches provided by MediaTek, especially Patch ID: ALPS07629585, to the affected systems. It is crucial to prioritize the installation of security updates to prevent exploitation of the vulnerability.
Long-Term Security Practices
Implementing security best practices such as regular security updates, vulnerability assessments, access control measures, and security monitoring can help enhance the overall security posture and resilience of systems against potential threats.
Patching and Updates
Maintaining up-to-date software and promptly applying security patches released by vendors like MediaTek is essential to address vulnerabilities like CVE-2023-20627. Regularly monitoring for security advisories and proactively updating systems can significantly reduce the risk of exploitation.