CVE-2019-15344 : Exploit Details and Defense Strategies

The Tecno Camon iClick Android device is vulnerable to a critical security issue that allows malicious third-party apps to execute commands as the system user, compromising user privacy and device security.

Understanding CVE-2019-15344

This CVE identifies a vulnerability in the Tecno Camon iClick Android device that enables unauthorized access and control by malicious apps.

What is CVE-2019-15344?

The Tecno Camon iClick Android device contains a pre-installed platform app that allows any co-located app to send and execute commands as the system user, leading to potential privacy breaches and security risks.

The Impact of CVE-2019-15344

The vulnerability permits a malicious third-party app to perform various actions, including video recording the user's screen, factory resetting the device, accessing notifications, reading logs, injecting events in the GUI, fetching text messages, and more.

Technical Details of CVE-2019-15344

The following technical details outline the specifics of this security flaw.

Vulnerability Description

The vulnerability arises from a pre-installed platform app that enables unauthorized command execution as the system user, allowing for extensive control over the device.

Affected Systems and Versions

Product: Tecno Camon iClick Android device
Vendor: Tecno
Versions: All devices with the specific build fingerprint and pre-installed app versions are affected.

Exploitation Mechanism

The vulnerable app com.lovelyfont.defcontainer allows any co-located app to send and execute commands as the system user.
The associated app com.ekesoo.lovelyhifonts makes HTTP network requests, creating an opportunity for a Man-in-the-Middle attack to inject commands.

Mitigation and Prevention

Protecting against CVE-2019-15344 requires immediate actions and long-term security practices.

Immediate Steps to Take

Avoid installing apps from untrusted sources.
Regularly monitor app permissions and revoke unnecessary ones.
Consider using security apps to detect and block suspicious activities.

Long-Term Security Practices

Keep the device updated with the latest security patches.
Enable app verification to prevent the installation of potentially harmful apps.
Educate users on safe app usage practices to minimize risks.

Patching and Updates

Stay informed about security updates from the device manufacturer.
Apply patches promptly to address known vulnerabilities and enhance device security.