CVE-2021-39622 : Vulnerability Insights and Analysis

This CVE-2021-39622 article provides details about a vulnerability in Android versions 10, 11, and 12 that could allow bypassing Factory Reset Protection, leading to a local privilege escalation without additional execution privileges.

Understanding CVE-2021-39622

This section delves into the specifics of the CVE-2021-39622 vulnerability in GBoard on Android devices.

What is CVE-2021-39622?

In GBoard, a missing permission check could enable bypassing Factory Reset Protection, potentially resulting in a local privilege escalation without added execution privileges. No user interaction is required for exploitation.

The Impact of CVE-2021-39622

The vulnerability in Android versions 10, 11, and 12 could allow malicious actors to escalate privileges locally without needing additional execution permissions.

Technical Details of CVE-2021-39622

This section outlines the technical aspects of the CVE-2021-39622 vulnerability.

Vulnerability Description

The vulnerability in GBoard on Android devices allows for bypassing Factory Reset Protection, leading to a local privilege escalation.

Affected Systems and Versions

Product: Android
Versions: Android-10, Android-11, Android-12

Exploitation Mechanism

The issue arises due to a missing permission check in GBoard on Android devices, enabling bypassing Factory Reset Protection and escalating privileges.

Mitigation and Prevention

Explore measures to mitigate and prevent exploitation of the CVE-2021-39622 vulnerability.

Immediate Steps to Take

Regularly update GBoard and Android OS to the latest versions.
Implement strong device unlock mechanisms for enhanced security.

Long-Term Security Practices

Engage in security training to recognize and report suspicious activities.
Utilize security software for real-time threat detection.

Patching and Updates

Stay vigilant for security updates from Google Android to patch the vulnerability effectively.