CVE-2019-15389 : Exploit Details and Defense Strategies
Learn about CVE-2019-15389 affecting the Haier A6 Android device, allowing unauthorized execution of commands as the system user, leading to potential security risks and unauthorized actions.
The Haier A6 Android device is vulnerable to a critical security issue that allows unauthorized execution of commands as the system user, potentially leading to various malicious activities.
Understanding CVE-2019-15389
This CVE involves a pre-installed platform app on the Haier A6 device that can be exploited by zero-permission apps to execute commands as the system user.
What is CVE-2019-15389?
The vulnerability in the Haier A6 Android device allows any co-located app to provide commands to be executed as the system user, posing a significant security risk.
The Impact of CVE-2019-15389
Exploiting this vulnerability can result in unauthorized actions such as recording the user's screen, factory resetting the device, accessing notifications, interfering with the GUI, and retrieving text messages.
Technical Details of CVE-2019-15389
The technical aspects of the CVE provide insights into the vulnerability's description, affected systems, versions, and the exploitation mechanism.
Vulnerability Description
The Haier A6 device contains a pre-installed app that enables arbitrary commands to be executed as the system user, making it vulnerable to attacks from zero-permission apps.
Affected Systems and Versions
- Product: Haier A6 Android device
- Vendor: Haier
- Version: A6:8.1.0/O11019/1534219877:userdebug/release-keys
Exploitation Mechanism
- The app com.lovelyfont.defcontainer allows any co-located app to execute commands as the system user.
Mitigation and Prevention
To address CVE-2019-15389, immediate steps and long-term security practices are essential to enhance the device's security.
Immediate Steps to Take
- Disable or uninstall the vulnerable app com.lovelyfont.defcontainer.
- Avoid installing apps from untrusted sources.
- Regularly monitor device activity for suspicious behavior.
Long-Term Security Practices
- Keep the device software up to date with the latest security patches.
- Use reputable security software to scan for potential threats.
Patching and Updates
- Haier should release a patch to fix the vulnerability and enhance the device's security.