CVE-2019-15472 : Vulnerability Insights and Analysis

The Xiaomi Mi A2 Lite Android device is vulnerable to unauthorized microphone audio recordings due to a pre-installed application.

Understanding CVE-2019-15472

What is CVE-2019-15472?

The vulnerability in the Xiaomi Mi A2 Lite Android device allows unauthorized apps to exploit a pre-installed application for microphone audio recordings.

The Impact of CVE-2019-15472

The vulnerability enables unauthorized sources to conduct microphone audio recordings through a confused deputy attack, potentially compromising user privacy and security.

Technical Details of CVE-2019-15472

Vulnerability Description

The pre-installed application com.qualcomm.qti.callenhancement on the Xiaomi Mi A2 Lite device allows any app on the device to access microphone audio recording functionality.

Affected Systems and Versions

Device: Xiaomi Mi A2 Lite
Build Fingerprint: xiaomi/daisy/daisy_sprout:9/PKQ1.180917.001/V10.0.3.0.PDLMIXM:user/release-keys
Application: com.qualcomm.qti.callenhancement (versionCode=28, versionName=9)

Exploitation Mechanism

Unauthorized apps can exploit the confused deputy attack to access the microphone audio recording feature, allowing them to record phone calls to external storage.

Mitigation and Prevention

Immediate Steps to Take

Disable or uninstall the vulnerable application if possible.
Regularly monitor app permissions and restrict unnecessary access.
Avoid installing apps from untrusted sources.

Long-Term Security Practices

Keep the device updated with the latest security patches.
Use reputable security apps to scan for vulnerabilities and malware.

Patching and Updates

Ensure the device receives regular updates from the manufacturer to address security vulnerabilities.