CVE-2019-15381 Explained : Impact and Mitigation

The BQ 5515L Android device is vulnerable to unauthorized system property modification through a pre-installed app.

Understanding CVE-2019-15381

This CVE involves a security issue in the BQ 5515L Android device that allows unauthorized alteration of system properties.

What is CVE-2019-15381?

The BQ 5515L Android device, with a specific build fingerprint, contains a pre-installed app that permits any co-located app to modify system properties without proper authorization.

The Impact of CVE-2019-15381

The vulnerability could lead to unauthorized access and potential misuse of system resources on the affected device.

Technical Details of CVE-2019-15381

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The BQ 5515L Android device's pre-installed app, com.mediatek.wfo.impl, allows unauthorized modification of system properties through an exported interface.

Affected Systems and Versions

Product: BQ 5515L Android device
Vendor: N/A
Versions: N/A

Exploitation Mechanism

The vulnerability enables any app on the device to alter system properties without proper authorization, potentially leading to security breaches.

Mitigation and Prevention

Protecting against and addressing the CVE vulnerability.

Immediate Steps to Take

Disable or uninstall the vulnerable app, com.mediatek.wfo.impl, if possible.
Regularly monitor and restrict app permissions on the device.
Implement app whitelisting to control which apps can access system properties.

Long-Term Security Practices

Keep the device updated with the latest security patches and firmware releases.
Educate users on safe app installation practices and permissions management.

Patching and Updates

Stay informed about security advisories and updates from the device manufacturer.
Apply patches promptly to mitigate known vulnerabilities.