CVE-2019-15469 : Exploit Details and Defense Strategies
Learn about CVE-2019-15469 affecting Xiaomi Mi Pad 4 Android device, allowing unauthorized audio recording by pre-installed apps. Find mitigation steps and long-term security practices.
The Xiaomi Mi Pad 4 Android device is vulnerable to a security issue that allows a pre-installed application to enable other apps to record audio from the microphone without proper authorization.
Understanding CVE-2019-15469
This CVE identifies a vulnerability in the Xiaomi Mi Pad 4 Android device that could lead to unauthorized audio recording.
What is CVE-2019-15469?
The vulnerability in the Xiaomi Mi Pad 4 Android device allows a pre-installed application to facilitate unauthorized audio recording by other apps on the device.
The Impact of CVE-2019-15469
The security flaw enables third-party applications to record phone calls to external storage without explicit user consent, potentially compromising user privacy.
Technical Details of CVE-2019-15469
This section provides more in-depth technical information about the vulnerability.
Vulnerability Description
The Xiaomi Mi Pad 4 Android device contains a pre-installed application that permits unauthorized audio recording by other apps through an accessible app component.
Affected Systems and Versions
- Device: Xiaomi Mi Pad 4
- Firmware: Xiaomi/clover/clover:8.1.0/OPM1.171019.019/V9.6.26.0.ODJCNFD:user/release-keys
- Application: com.qualcomm.qti.callenhancement (versionCode=27, versionName=8.1.0)
Exploitation Mechanism
The vulnerable application allows any pre-installed app with the necessary permissions to record audio from the microphone, enabling unauthorized phone call recording to external storage.
Mitigation and Prevention
Protecting against this vulnerability requires immediate actions and long-term security practices.
Immediate Steps to Take
- Monitor app permissions and restrict unnecessary access to the microphone.
- Regularly review installed applications for suspicious behavior.
Long-Term Security Practices
- Keep the device's firmware and applications up to date to patch known vulnerabilities.
- Use reputable security software to scan for and detect potential threats.
Patching and Updates
Ensure that the device receives firmware updates from the manufacturer to address security vulnerabilities promptly.