CVE-2019-15475 : What You Need to Know

The Xiaomi Mi A3 Android device is vulnerable to unauthorized audio recording through a pre-installed application, com.qualcomm.qti.callenhancement app.

Understanding CVE-2019-15475

This CVE highlights a security issue on the Xiaomi Mi A3 device that allows unauthorized audio recording.

What is CVE-2019-15475?

The Xiaomi Mi A3 Android device, specifically the version xiaomi/onc_eea/onc:9/PKQ1.181021.001/V10.2.8.0.PFLEUXM:user/release-keys, contains an app called com.qualcomm.qti.callenhancement that can be exploited for unauthorized audio recording.

The Impact of CVE-2019-15475

The vulnerability enables any installed application to perform unauthorized audio recording using the device's microphone, potentially compromising user privacy and security.

Technical Details of CVE-2019-15475

This section provides more technical insights into the vulnerability.

Vulnerability Description

The com.qualcomm.qti.callenhancement app on the Xiaomi Mi A3 device allows unauthorized audio recording through a confused deputy attack, enabling third-party apps to record phone calls.

Affected Systems and Versions

Device: Xiaomi Mi A3
Version: xiaomi/onc_eea/onc:9/PKQ1.181021.001/V10.2.8.0.PFLEUXM:user/release-keys
App: com.qualcomm.qti.callenhancement (versionCode=28, versionName=9)

Exploitation Mechanism

Any application installed on the device can exploit the open interface of com.qualcomm.qti.callenhancement to record phone calls and save them externally.

Mitigation and Prevention

Protecting against this vulnerability is crucial for user privacy and data security.

Immediate Steps to Take

Disable or uninstall the com.qualcomm.qti.callenhancement app if possible.
Regularly monitor app permissions and restrict unnecessary access to the microphone.

Long-Term Security Practices

Keep your device updated with the latest security patches.
Be cautious when granting microphone access to apps and review permissions regularly.

Patching and Updates

Stay informed about security updates for your Xiaomi Mi A3 device and promptly install any patches released by the manufacturer.