CVE-2019-15379 : Exploit Details and Defense Strategies

The Walton Primo G3 Android device contains a vulnerability that allows unauthorized modification of system properties through a specific pre-installed application.

Understanding CVE-2019-15379

This CVE identifies a security issue in the Walton Primo G3 Android device that could potentially lead to unauthorized system property modifications.

What is CVE-2019-15379?

The Walton Primo G3 Android device, with a specific build fingerprint, includes an app that permits any co-located application to alter system properties without proper authorization.

The Impact of CVE-2019-15379

The vulnerability could be exploited by malicious apps to make unauthorized changes to system properties, potentially leading to security breaches and unauthorized access.

Technical Details of CVE-2019-15379

The technical aspects of this CVE are as follows:

Vulnerability Description

The pre-installed application on the Walton Primo G3 device allows any app on the device to modify system properties without proper authorization.

Affected Systems and Versions

Affected Device: Walton Primo G3 Android device
Build Fingerprint: WALTON/Primo_GM3/Primo_GM3:8.1.0/O11019/1522737198:user/release-keys
App Name: com.mediatek.wfo.impl
App Version: 8.1.0

Exploitation Mechanism

The vulnerability enables any application on the device to access and modify system properties through an exported interface without requiring proper authorization.

Mitigation and Prevention

To address CVE-2019-15379, the following steps can be taken:

Immediate Steps to Take

Disable or uninstall the vulnerable application, com.mediatek.wfo.impl
Regularly monitor and review app permissions on the device

Long-Term Security Practices

Keep the device's operating system and applications up to date
Exercise caution when installing apps from unknown sources

Patching and Updates

Stay informed about security updates and patches released by the device manufacturer
Apply updates promptly to mitigate known vulnerabilities