CVE-2019-2233 : Security Advisory and Response

Android-10 has a vulnerability in the functions getUserCount and getCount in UserSwitcherController.java, potentially allowing unauthorized creation of new users, leading to local privilege escalation without additional execution privileges.

Understanding CVE-2019-2233

This CVE involves an elevation of privilege issue in Android-10.

What is CVE-2019-2233?

The vulnerability in UserSwitcherController.java functions getUserCount and getCount may enable an attacker with physical device access to create new users, escalating their privileges locally without needing extra execution privileges.

The Impact of CVE-2019-2233

The vulnerability could be exploited by an attacker with physical device access, allowing them to escalate privileges without user interaction, posing a security risk.

Technical Details of CVE-2019-2233

This section provides technical details of the CVE.

Vulnerability Description

The logic error in getUserCount and getCount functions of UserSwitcherController.java can lead to unauthorized user creation, facilitating local privilege escalation.

Affected Systems and Versions

Product: Android
Versions: Android-10

Exploitation Mechanism

The vulnerability can be exploited by an attacker with physical access to the device, enabling them to escalate privileges without additional execution privileges.

Mitigation and Prevention

Protect your system from CVE-2019-2233 with these steps:

Immediate Steps to Take

Monitor security bulletins for patches
Implement access controls to limit physical device access

Long-Term Security Practices

Regularly update Android security patches
Conduct security training to raise awareness of privilege escalation risks

Patching and Updates

Stay protected by promptly applying security patches and updates for Android-10.