CVE-2019-15423 : Security Advisory and Response

Bluboo Bluboo_S1 Android device is vulnerable to unauthorized wireless settings modification due to a pre-installed app, com.mediatek.factorymode, allowing a confused deputy attack.

Understanding CVE-2019-15423

This CVE identifies a security vulnerability in the Bluboo Bluboo_S1 Android device that can be exploited by any co-located application.

What is CVE-2019-15423?

The Bluboo_S1 device has a specific build fingerprint and a pre-installed app that enables unauthorized wireless settings modification through a confused deputy attack.

The Impact of CVE-2019-15423

The vulnerability allows any application on the device to exploit it, potentially leading to unauthorized wireless settings changes.

Technical Details of CVE-2019-15423

The following technical details outline the specifics of this CVE.

Vulnerability Description

The com.mediatek.factorymode app on the Bluboo_S1 device permits unauthorized wireless settings modification, posing a security risk.

Affected Systems and Versions

Product: Bluboo_S1
Vendor: Bluboo
Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by any application present on the device simultaneously, allowing unauthorized wireless settings changes.

Mitigation and Prevention

Protecting against CVE-2019-15423 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable or uninstall the com.mediatek.factorymode app if possible.
Regularly monitor and restrict app permissions on the device.

Long-Term Security Practices

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

Patching and Updates

Ensure the device receives timely security updates and patches to mitigate the vulnerability.