CVE-2020-0420 : What You Need to Know
Learn about CVE-2020-0420, a vulnerability in Android-11 that allows local privilege escalation without additional execution privileges, impacting system security and user data.
Android-11 has a vulnerability in GpuService.cpp that could lead to an elevation of privilege without additional execution privileges.
Understanding CVE-2020-0420
What is CVE-2020-0420?
CVE-2020-0420 is a vulnerability in Android-11 that can result in local escalation of privilege due to missing permission checks.
The Impact of CVE-2020-0420
The vulnerability could allow an attacker to gain elevated privileges on the system without needing user interaction, potentially leading to misuse of sensitive data or system control.
Technical Details of CVE-2020-0420
Vulnerability Description
The issue exists in setUpdatableDriverPath of GpuService.cpp, where a missing permission check may cause memory corruption, enabling the local privilege escalation.
Affected Systems and Versions
- Affected Product: Android
- Affected Version: Android-11
Exploitation Mechanism
The vulnerability can be exploited locally to escalate privileges without the need for additional execution privileges.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches and updates provided by the vendor promptly.
- Regularly monitor security bulletins and updates from Android.
Long-Term Security Practices
- Implement strict permission controls and access restrictions in the system.
- Conduct regular security assessments and audits to detect and address vulnerabilities promptly.
Patching and Updates
- Stay informed about security patches and updates released by Android for addressing CVE-2020-0420.