CVE-2020-0477 : Vulnerability Insights and Analysis
Learn about the CVE-2020-0477 vulnerability in Android-11, allowing for local information disclosure without user interaction. Find out how to mitigate this security risk.
Android-11 has a vulnerability that could lead to information disclosure without the need for user interaction. Learn how it impacts your system and ways to mitigate the risk.
Understanding CVE-2020-0477
What is CVE-2020-0477?
In sendLinkConfigurationChangedBroadcast of ClientModeImpl.java, there is a potential information disclosure issue in Android-11 due to a missing permission check. This flaw could expose the current network configuration locally without requiring additional execution privileges.
The Impact of CVE-2020-0477
This vulnerability could result in local information disclosure of the network configuration in Android-11, potentially compromising sensitive data.
Technical Details of CVE-2020-0477
Vulnerability Description
The vulnerability in Android-11 allows for local information disclosure of the network configuration through a missing permission check in sendLinkConfigurationChangedBroadcast.
Affected Systems and Versions
- Product: Android
- Version: Android-11
Exploitation Mechanism
The flaw can be exploited without user interaction, potentially leading to unauthorized access to network configuration details.
Mitigation and Prevention
Immediate Steps to Take
- Regularly monitor for security updates from Android security bulletins.
- Apply patches promptly to mitigate the vulnerability.
Long-Term Security Practices
- Implement the principle of least privilege to restrict access to sensitive network configuration data.
- Conduct regular security audits and testing to detect and address potential vulnerabilities.
- Educate users on best practices to prevent information disclosure risks.
Patching and Updates
Stay informed about security updates for Android-11 to ensure timely patch application and address any known vulnerabilities.