CVE-2020-0386 Explained : Impact and Mitigation
Learn about CVE-2020-0386, a critical Android vulnerability allowing tapjacking and privilege escalation. Discover mitigation steps and long-term security practices.
Android has a vulnerability in onCreate of RequestPermissionActivity.java that could lead to tapjacking, allowing an attacker to set Bluetooth discoverability, leading to an elevation of privilege.
Understanding CVE-2020-0386
This CVE involves an insecure default value in Android's RequestPermissionActivity.java, potentially exploited for privilege escalation.
What is CVE-2020-0386?
CVE-2020-0386 in Android poses a tapjacking risk, potentially granting privileges to set Bluetooth discoverability, requiring user interaction for exploitation.
The Impact of CVE-2020-0386
The vulnerability can be leveraged for local privilege escalation, enabling unauthorized users to manipulate Bluetooth settings with elevated privileges.
Technical Details of CVE-2020-0386
This section provides detailed technical insights into the CVE.
Vulnerability Description
- Insecure default value in onCreate of RequestPermissionActivity.java
- Allows tapjacking leading to privilege escalation
Affected Systems and Versions
- Product: Android
- Versions: Android-8.0, Android-8.1, Android-9, Android-10, Android-11
Exploitation Mechanism
- Requires user interaction for exploitation
- Enables the attacker to modify Bluetooth discoverability settings
Mitigation and Prevention
Guidelines to mitigate the risks posed by CVE-2020-0386.
Immediate Steps to Take
- Update affected Android devices to the latest patched versions
- Avoid granting unnecessary permissions to apps
Long-Term Security Practices
- Regularly update Android devices and install security patches promptly
- Exercise caution while granting permissions to apps to limit vulnerabilities
Patching and Updates
- Refer to official Android security bulletin for specific patch details and update instructions