CVE-2019-15342 : Vulnerability Insights and Analysis
Discover the security vulnerability in Tecno Camon iAir 2 Plus Android device allowing unauthorized access. Learn the impact, affected systems, and mitigation steps.
The Tecno Camon iAir 2 Plus Android device is vulnerable to a security issue that allows a pre-installed platform app to execute commands as the system user, potentially leading to various malicious activities.
Understanding CVE-2019-15342
This CVE identifies a critical vulnerability in the Tecno Camon iAir 2 Plus Android device that enables unauthorized access and control by malicious apps.
What is CVE-2019-15342?
The Tecno Camon iAir 2 Plus Android device contains a pre-installed platform app named com.lovelyfont.defcontainer that permits other apps to execute commands as the system user by writing specific messages to the logcat log.
The Impact of CVE-2019-15342
The vulnerability allows a zero-permission app to execute commands as the system user, enabling actions like screen recording, device reset, access to notifications and text messages, log reading, GUI event injection, and more.
Technical Details of CVE-2019-15342
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
The app com.lovelyfont.defcontainer on the Tecno Camon iAir 2 Plus device allows arbitrary commands to be executed as the system user, triggered by specific logcat log messages.
Affected Systems and Versions
- Device: Tecno Camon iAir 2 Plus
- App: com.lovelyfont.defcontainer
- Version: 7.0.11
Exploitation Mechanism
- Attacker writes a message to logcat log triggering commands
- Zero-permission app can execute commands as the system user
Mitigation and Prevention
Protecting against CVE-2019-15342 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Monitor app permissions and restrict unnecessary access
- Regularly review installed apps for suspicious behavior
- Update device firmware and security patches
Long-Term Security Practices
- Install apps only from trusted sources
- Enable app verification and review app permissions
- Implement device encryption and secure lock screen
Patching and Updates
- Apply manufacturer-released security updates promptly
- Consider using mobile security solutions for added protection