CVE-2021-0466 Explained : Impact and Mitigation

This CVE-2021-0466 article provides an in-depth analysis of an information disclosure vulnerability affecting Android devices running on version 10.

Understanding CVE-2021-0466

This section delves into the vulnerability's details, impact, affected systems, and mitigation methods.

What is CVE-2021-0466?

CVE-2021-0466 is an information disclosure vulnerability found in the startIpClient function of ClientModeImpl.java in Android 10. It allows a proximal attacker to track a device without requiring user interaction.

The Impact of CVE-2021-0466

The vulnerability could lead to remote information disclosure to a nearby attacker without the need for additional execution privileges. This poses a significant security risk to affected devices.

Technical Details of CVE-2021-0466

In this section, we will explore the specific technical aspects of the vulnerability.

Vulnerability Description

The vulnerability lies in startIpClient, enabling the tracking of devices without user consent, potentially exposing sensitive information.

Affected Systems and Versions

The issue impacts devices running Android version 10, specifically Android ID: A-154114734.

Exploitation Mechanism

A remote proximal attacker can exploit this vulnerability to disclose information without the need for user interaction.

Mitigation and Prevention

This section outlines the steps to address and prevent exploitation of CVE-2021-0466.

Immediate Steps to Take

Users are advised to apply relevant security patches promptly to mitigate the risk of information disclosure.

Long-Term Security Practices

Implementing strong security measures, such as network segmentation and access controls, can enhance the overall security posture.

Patching and Updates

Regularly updating Android devices to the latest patches and version releases is crucial in safeguarding against security vulnerabilities.