CVE-2019-9386 Explained : Impact and Mitigation
Learn about CVE-2019-9386, a critical vulnerability in Android-10 NFC server allowing for local privilege escalation. Find out how to mitigate and prevent exploitation on affected devices.
Android-10 NFC Server Out of Bounds Write Vulnerability
Understanding CVE-2019-9386
What is CVE-2019-9386?
CVE-2019-9386 is a vulnerability in the NFC server of Android-10 that allows for an out of bounds write. This flaw can lead to local escalation of privilege in the system server without requiring additional execution privileges.
The Impact of CVE-2019-9386
This vulnerability could be exploited by an attacker to gain elevated privileges on the affected Android-10 devices, potentially leading to unauthorized access and control of the system.
Technical Details of CVE-2019-9386
Vulnerability Description
The missing bounds check in the NFC server of Android-10 can result in an out of bounds write, enabling a local escalation of privilege in the system server.
Affected Systems and Versions
- Product: Android
- Version: Android-10
Exploitation Mechanism
- The vulnerability requires user interaction for exploitation.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Avoid interacting with unknown or untrusted NFC sources.
Long-Term Security Practices
- Regularly update the operating system and applications to the latest versions.
- Implement proper access controls and permissions for NFC interactions.
Patching and Updates
- Refer to the vendor's security bulletin for specific patch details and instructions.