CVE-2020-0085 : What You Need to Know
Learn about CVE-2020-0085, an elevation of privilege vulnerability in Android 10. Find out the impact, affected systems, exploitation details, and mitigation steps.
Android - Elevation of Privilege Vulnerability
Understanding CVE-2020-0085
What is CVE-2020-0085?
CVE-2020-0085 is an elevation of privilege vulnerability in Android 10 that exists in the setBluetoothTethering function of PanService.java. The issue arises from a missing permission check, potentially allowing local users to activate tethering without requiring additional execution privileges.
The Impact of CVE-2020-0085
This vulnerability could lead to a local escalation of privilege on affected Android devices, enabling unauthorized users to activate tethering without proper permissions, posing a security risk.
Technical Details of CVE-2020-0085
Vulnerability Description
The vulnerability in setBluetoothTethering of PanService.java allows for a permission bypass, leading to a local escalation of privilege.
Affected Systems and Versions
- Product: Android
- Versions: Android-10
Exploitation Mechanism
The vulnerability can be exploited locally to activate tethering without the necessary execution privileges, bypassing permission checks.
Mitigation and Prevention
Immediate Steps to Take
- Users should apply security patches provided by the device manufacturer promptly.
- Regularly monitor official security bulletins for updates on CVE-2020-0085.
Long-Term Security Practices
- Employ best practices for mobile device security, including avoiding unknown sources for apps and maintaining updated security configurations.
Patching and Updates
Device vendors and users should ensure they install security patches that address CVE-2020-0085 promptly.