CVE-2019-2122 : Vulnerability Insights and Analysis

Android LockTaskController.java's LockTaskController.lockKeyguardIfNeeded method vulnerability

Understanding CVE-2019-2122

This CVE involves a discrepancy in the management of the default case in LockTaskController.java's LockTaskController.lockKeyguardIfNeeded method, potentially leading to local privilege escalation on Android devices.

What is CVE-2019-2122?

The issue arises from a discrepancy between WindowManager and Settings, allowing for local privilege escalation without additional execution privileges. Exploitation requires user interaction on affected Android versions.

The Impact of CVE-2019-2122

The vulnerability could be exploited for elevation of privilege on Android devices running specific versions, posing a security risk to user data and system integrity.

Technical Details of CVE-2019-2122

Android LockTaskController.java vulnerability details

Vulnerability Description

Discrepancy in default case management in LockTaskController.java
Potential local privilege escalation without extra execution privileges

Affected Systems and Versions

Product: Android
Affected Versions: Android-7.0, Android-7.1.1, Android-7.1.2, Android-8.0, Android-8.1, Android-9

Exploitation Mechanism

Requires user interaction for exploitation

Mitigation and Prevention

Protecting against CVE-2019-2122

Immediate Steps to Take

Apply security patches promptly
Monitor for any suspicious activity on affected devices
Educate users on potential social engineering tactics

Long-Term Security Practices

Regularly update and patch Android devices
Implement strong access controls and user permissions
Conduct security training for users and IT staff

Patching and Updates

Stay informed about security bulletins and updates from Android
Ensure timely installation of security patches to mitigate risks