CVE-2020-0419 : Exploit Details and Defense Strategies
Learn about CVE-2020-0419, a critical Android security flaw allowing local information disclosure during app installation. Find mitigation steps and patch details.
Android app installation vulnerability leads to local information disclosure.
Understanding CVE-2020-0419
Vulnerability in Android's PackageInstallerSession.java
What is CVE-2020-0419?
A leak of cross-profile URI data during Android app installation due to missing permission check, allowing local information disclosure without extra execution privileges. No user interaction is required for exploitation.
The Impact of CVE-2020-0419
Data leakage during app installation can lead to local information exposure.
Technical Details of CVE-2020-0419
Vulnerability specifics in Android system
Vulnerability Description
- Missing permission check in PackageInstallerSession.java
- Allows leak of cross-profile URI data
Affected Systems and Versions
- Product: Android
- Versions: Android-8.1, Android-9, Android-10, Android-11
Exploitation Mechanism
- No additional execution privileges required
- No user interaction needed for exploit
Mitigation and Prevention
Protecting systems from CVE-2020-0419
Immediate Steps to Take
- Apply the latest security patches from Android
- Monitor for any unusual data access
Long-Term Security Practices
- Regularly update and patch Android OS
- Implement a robust permission control mechanism
Patching and Updates
- Refer to Android Security Bulletin 2020-10-01 for patch and update details