CVE-2019-15428 : Security Advisory and Response

The Xiaomi Mi Note 2 Android device is vulnerable to unauthorized modification of wireless settings through a pre-installed app named com.miui.powerkeeper.

Understanding CVE-2019-15428

This CVE identifies a security vulnerability in the Xiaomi Mi Note 2 Android device that allows unauthorized access to wireless settings.

What is CVE-2019-15428?

The vulnerability arises from the pre-installed app com.miui.powerkeeper, enabling unauthorized modification of wireless settings through a confused deputy attack.

The Impact of CVE-2019-15428

The vulnerability allows any app on the device to access and modify wireless settings without proper authorization, potentially leading to security breaches and unauthorized access.

Technical Details of CVE-2019-15428

The technical aspects of the CVE-2019-15428 vulnerability are as follows:

Vulnerability Description

The Xiaomi Mi Note 2 Android device with the specified build fingerprint contains the vulnerable pre-installed app com.miui.powerkeeper, facilitating unauthorized wireless settings modification.

Affected Systems and Versions

Product: Xiaomi Mi Note 2
Vendor: Xiaomi
Versions:
Build Fingerprint: Xiaomi/scorpio/scorpio:6.0.1/MXB48T/7.1.5:user/release-keys
App Version: 4.0.00

Exploitation Mechanism

The vulnerability allows any app present on the device to exploit the confused deputy attack and modify wireless settings without proper authorization.

Mitigation and Prevention

To address CVE-2019-15428, the following steps are recommended:

Immediate Steps to Take

Disable or uninstall the com.miui.powerkeeper app if possible.
Regularly monitor and review app permissions on the device.

Long-Term Security Practices

Keep the device's operating system and apps updated to the latest versions.
Exercise caution when installing apps from unknown sources.

Patching and Updates

Check for security patches and updates from Xiaomi to address the vulnerability.