CVE-2021-0342 : Vulnerability Insights and Analysis

A vulnerability in tun_get_user of tun.c in Android could allow for local escalation of privilege without requiring user interaction.

Understanding CVE-2021-0342

This CVE refers to a memory corruption issue in Android that could potentially lead to an elevation of privilege.

What is CVE-2021-0342?

CVE-2021-0342 is a vulnerability in tun_get_user of tun.c in Android, allowing for possible memory corruption due to a use after free. It could result in local escalation of privilege with the necessity of System execution privileges.

The Impact of CVE-2021-0342

The impact of this vulnerability is significant as it could enable an attacker to escalate their privileges locally on the affected system without the need for user interaction.

Technical Details of CVE-2021-0342

This section provides technical details related to the vulnerability in question.

Vulnerability Description

The vulnerability arises in tun_get_user of tun.c in Android, leading to memory corruption due to a use after free.

Affected Systems and Versions

The affected product is Android, specifically Android kernel.

Exploitation Mechanism

Exploitation of this vulnerability does not require user interaction and could result in local privilege escalation.

Mitigation and Prevention

Here are some steps to mitigate and prevent the exploitation of CVE-2021-0342.

Immediate Steps to Take

It is recommended to apply relevant security patches and updates provided by the vendor to address this vulnerability.

Long-Term Security Practices

Implementing a regular patch management process and maintaining up-to-date security measures can help in preventing similar vulnerabilities.

Patching and Updates

Regularly check for security advisories from the vendor and apply patches promptly to safeguard the system against potential exploits.