CVE-2019-15471 Explained : Impact and Mitigation

The Xiaomi Mi Mix 2S Android device is vulnerable to a security issue that allows pre-installed applications to record microphone audio through a specific component. This vulnerability can be exploited by any pre-installed application with the necessary permissions.

Understanding CVE-2019-15471

This CVE entry highlights a security flaw in the Xiaomi Mi Mix 2S Android device that enables unauthorized access to microphone audio recording.

What is CVE-2019-15471?

The vulnerability in the Xiaomi Mi Mix 2S Android device allows pre-installed applications to record telephone calls onto external storage through a specific pre-installed application.

The Impact of CVE-2019-15471

The security issue poses a risk of unauthorized access to sensitive audio recordings, potentially compromising user privacy and confidentiality.

Technical Details of CVE-2019-15471

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The Xiaomi Mi Mix 2S Android device contains a pre-installed application that permits other pre-installed apps to record microphone audio through an accessible component.

Affected Systems and Versions

Device: Xiaomi Mi Mix 2S
Build Fingerprint: Xiaomi/polaris/polaris:8.0.0/OPR1.170623.032/V9.5.19.0.ODGMIFA:user/release-keys
Pre-installed App: com.qualcomm.qti.callenhancement app (versionCode=27, versionName=8.1.0)

Exploitation Mechanism

Any pre-installed application on the device with the necessary permissions can exploit this vulnerability to record telephone calls to external storage.

Mitigation and Prevention

Protecting your device and data from this vulnerability is crucial.

Immediate Steps to Take

Disable unnecessary pre-installed applications with sensitive permissions.
Regularly monitor app permissions and revoke unnecessary access.

Long-Term Security Practices

Keep your device updated with the latest security patches.
Be cautious when granting permissions to applications.

Patching and Updates

Ensure your Xiaomi Mi Mix 2S device is running the latest firmware updates to mitigate the security risk.