CVE-2021-39768 : Security Advisory and Response

This article provides insights into a vulnerability in Android-12L that allows the addition of auto-connect WiFi networks without user consent, leading to a local privilege escalation.

Understanding CVE-2021-39768

This section delves into the details of the CVE-2021-39768 vulnerability affecting Android-12L.

What is CVE-2021-39768?

CVE-2021-39768 is an elevation of privilege vulnerability in Android-12L that enables the unauthorized addition of auto-connect WiFi networks.

The Impact of CVE-2021-39768

The vulnerability could result in local escalation of privilege without needing additional execution privileges, requiring user interaction for exploitation.

Technical Details of CVE-2021-39768

This section explores the technical aspects of the CVE-2021-39768 vulnerability.

Vulnerability Description

The flaw in Settings allows for the addition of auto-connect WiFi networks without user consent, posing a significant security risk.

Affected Systems and Versions

Product: Android
Versions: Android-12L

Exploitation Mechanism

The vulnerability can be exploited locally to escalate privileges without the need for extra execution privileges, contingent on user interaction.

Mitigation and Prevention

Learn about the steps to mitigate and prevent the CVE-2021-39768 vulnerability.

Immediate Steps to Take

Regularly update Android devices to the latest patches and security updates.
Exercise caution while connecting to unknown WiFi networks to prevent potential exploitation.

Long-Term Security Practices

Implement strict permission controls within applications and the operating system.
Continuously monitor for suspicious network activity and behavior on Android devices.

Patching and Updates

Stay vigilant for official patches and updates from Android to address the CVE-2021-39768 vulnerability.