CVE-2019-9400 : What You Need to Know
Learn about CVE-2019-9400, a remote denial of service vulnerability in Android-10's Bluetooth. Find out how to mitigate the risk and protect your device.
Android-10 Bluetooth Vulnerability
Understanding CVE-2019-9400
A vulnerability in Android-10's Bluetooth implementation can lead to a remote denial of service attack without the need for user interaction.
What is CVE-2019-9400?
A missing null check in Bluetooth can result in a potential null pointer dereference issue, allowing for remote denial of service attacks on Android-10 devices.
The Impact of CVE-2019-9400
- Remote denial of service vulnerability in Android-10's Bluetooth
- No additional execution privileges required
- Exploitation possible without user interaction
Technical Details of CVE-2019-9400
Vulnerability Description
The vulnerability stems from a missing null check in Android-10's Bluetooth, potentially leading to a null pointer dereference issue.
Affected Systems and Versions
- Product: Android
- Affected Version: Android-10
Exploitation Mechanism
The vulnerability can be exploited remotely to cause denial of service without needing any additional execution privileges.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor
- Disable Bluetooth when not in use
Long-Term Security Practices
- Regularly update the device's operating system
- Implement network segmentation to limit exposure
Patching and Updates
Ensure that the device is updated with the latest security patches to mitigate the risk of exploitation.