CVE-2019-15372 : Vulnerability Insights and Analysis

The Hisense F17 Android device is vulnerable due to a pre-installed app that allows unauthorized modification of system properties.

Understanding CVE-2019-15372

This CVE identifies a security issue in the Hisense F17 Android device.

What is CVE-2019-15372?

The Hisense F17 Android device, specifically the one with the build fingerprint Hisense/F17_4G/HS6739MT:8.1.0/O11019/Hisense_F17_4G_00_S01:user/release-keys, contains a pre-installed app named com.mediatek.wfo.impl app (versionCode=27, versionName=8.1.0) that allows any co-located app on the device to change a system property through an exported interface without proper authorization.

The Impact of CVE-2019-15372

This vulnerability can be exploited by malicious apps to modify system properties without authorization, potentially leading to unauthorized access or control over the device.

Technical Details of CVE-2019-15372

The technical aspects of this CVE are as follows:

Vulnerability Description

The vulnerability arises from the com.mediatek.wfo.impl app on the Hisense F17 device, enabling unauthorized modification of system properties.

Affected Systems and Versions

Product: Hisense F17 Android device
Vendor: Hisense
Versions: 8.1.0

Exploitation Mechanism

The vulnerability allows any app co-located on the device to change system properties through an exported interface without the necessary authorization.

Mitigation and Prevention

Protect your device from CVE-2019-15372 with the following steps:

Immediate Steps to Take

Disable or uninstall the com.mediatek.wfo.impl app if possible.
Regularly monitor app permissions and restrict unnecessary access.
Avoid downloading apps from untrusted sources.

Long-Term Security Practices

Keep your device updated with the latest security patches.
Implement app whitelisting to control which apps can run on the device.
Educate users about the risks of granting excessive permissions to apps.

Patching and Updates

Check for security updates from Hisense and apply them promptly to mitigate the vulnerability.