CVE-2019-9251 Explained : Impact and Mitigation
Learn about CVE-2019-9251, a vulnerability in Android's NFC that could disclose local information without extra privileges. Find out how to mitigate this risk and secure your Android device.
A missing bounds check in NFC can lead to an out of bounds read in Android, potentially disclosing local information without additional execution privileges.
Understanding CVE-2019-9251
What is CVE-2019-9251?
This vulnerability in Android's NFC could allow an attacker to read out of bounds, leading to potential information disclosure without needing extra execution privileges.
The Impact of CVE-2019-9251
The vulnerability could result in the disclosure of local information without requiring additional execution privileges, posing a risk to user data security.
Technical Details of CVE-2019-9251
Vulnerability Description
A missing bounds check in NFC can result in an out of bounds read, potentially leading to local information disclosure without additional execution privileges.
Affected Systems and Versions
- Product: Android
- Versions affected: Up to Android-10
Exploitation Mechanism
- Exploitation requires user interaction
Mitigation and Prevention
Immediate Steps to Take
- Regularly update Android devices to the latest security patches
- Avoid interacting with unknown NFC tags or devices
Long-Term Security Practices
- Implement proper access controls and permissions for NFC interactions
- Educate users on safe NFC usage practices
- Monitor for any suspicious NFC activities
Patching and Updates
- Stay informed about security bulletins and updates from Android