CVE-2019-2227 : Vulnerability Insights and Analysis
Learn about CVE-2019-2227, a vulnerability in Android's Bluetooth function allowing remote information disclosure without user interaction. Find out how to mitigate the risk.
Android Bluetooth Vulnerability
Understanding CVE-2019-2227
This CVE involves an issue in the DeepCopy function of the btif_av.cc file in Android, potentially leading to an out-of-bounds read vulnerability.
What is CVE-2019-2227?
- The vulnerability allows for remote information disclosure via Bluetooth without requiring additional execution privileges.
- Exploitation can occur without user interaction.
- Affected Android versions are 9 and 10.
The Impact of CVE-2019-2227
- Remote disclosure of information over Bluetooth.
- No need for extra execution privileges.
Technical Details of CVE-2019-2227
Vulnerability Description
- Improper casting in the DeepCopy function leads to an out-of-bounds read.
Affected Systems and Versions
- Product: Android
- Versions: Android-9, Android-10
Exploitation Mechanism
- Vulnerability exploitable through Bluetooth without user interaction.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Android.
- Disable Bluetooth when not in use.
Long-Term Security Practices
- Regularly update Android devices to the latest software versions.
- Implement network segmentation to limit Bluetooth exposure.
Patching and Updates
- Stay informed about security bulletins from Android.