CVE-2020-0238 : Security Advisory and Response
Learn about CVE-2020-0238, a vulnerability in Android versions 8.0-10 allowing local privilege escalation. Understand the impact, exploitation method, and mitigation steps.
A security vulnerability in Android that could lead to a local privilege escalation due to a race condition in AccountTypePreferenceLoader's updatePreferenceIntents.
Understanding CVE-2020-0238
This CVE discloses a potential confused deputy attack on Android devices.
What is CVE-2020-0238?
The CVE-2020-0238 vulnerability allows local escalation of privilege and the launching of privileged activities without additional execution privileges, exploiting a race condition in updatePreferenceIntents of AccountTypePreferenceLoader on Android devices.
The Impact of CVE-2020-0238
The vulnerability poses a risk of local privilege escalation on affected Android versions (Android-8.1, 9, 10, and 8.0), potentially enabling malicious actors to bypass security controls.
Technical Details of CVE-2020-0238
Android vulnerability details and mitigation strategies.
Vulnerability Description
The vulnerability occurs in updatePreferenceIntents of AccountTypePreferenceLoader, leading to potential confused deputy attack and local privilege escalation on affected Android versions.
Affected Systems and Versions
- Product: Android
- Versions Affected: Android-8.1, Android-9, Android-10, Android-8.0
Exploitation Mechanism
- The exploitation of this vulnerability involves a race condition in AccountTypePreferenceLoader's updatePreferenceIntents.
Mitigation and Prevention
Ways to mitigate and prevent exploitation of CVE-2020-0238.
Immediate Steps to Take
- Apply the latest security updates and patches provided by the official Android security bulletin.
- Monitor device behavior for any unusual activities or privilege escalations.
Long-Term Security Practices
- Regularly update and patch Android devices to prevent known vulnerabilities.
- Implement strict access controls and least privilege principles to limit potential attack surfaces.
Patching and Updates
- Stay informed about security bulletins and updates from the official Android source.
- Promptly apply recommended patches and security updates to maintain device security.