CVE-2019-15378 : Security Advisory and Response

The Android device called Panasonic Eluga Ray 600 has a specific build fingerprint that allows unauthorized modification of system properties.

Understanding CVE-2019-15378

This CVE identifies a vulnerability in the Panasonic Eluga Ray 600 Android device that enables unauthorized apps to modify system properties.

What is CVE-2019-15378?

The Panasonic Eluga Ray 600 device contains a pre-installed app that permits any other app on the same device to modify a system property without proper authorization.

The Impact of CVE-2019-15378

The presence of this vulnerability can lead to unauthorized access and potential misuse of system properties on the affected device.

Technical Details of CVE-2019-15378

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from a specific build fingerprint on the Panasonic Eluga Ray 600 device that allows unauthorized modification of system properties through a pre-installed app.

Affected Systems and Versions

Product: Panasonic Eluga Ray 600
Vendor: Panasonic
Versions: 8.1.0

Exploitation Mechanism

The presence of the com.mediatek.wfo.impl app (versionCode=27, versionName=8.1.0) on the device enables any co-located app to modify system properties without proper authorization.

Mitigation and Prevention

Protecting your device from this vulnerability is crucial.

Immediate Steps to Take

Disable or uninstall the com.mediatek.wfo.impl app if possible.
Regularly monitor app permissions and system changes.

Long-Term Security Practices

Keep your device updated with the latest security patches.
Avoid downloading apps from untrusted sources.

Patching and Updates

Stay informed about security advisories from Panasonic.
Apply firmware updates promptly to address known vulnerabilities.