CVE-2019-15363 : Security Advisory and Response
Discover the CVE-2019-15363 vulnerability affecting the Leagoo Power 5 Android device, allowing unauthorized system property modifications by co-located apps. Learn about impacts, technical details, and mitigation steps.
The Android gadget from Leagoo, known as Power 5, has a unique fingerprint for its build, which is LEAGOO/Power_5/Power_5:8.1.0/O11019/1532686195:user/release-keys. This particular device comes with an app already installed, called com.mediatek.wfo.impl app with a versionCode of 27 and a versionName of 8.1.0. The concern with this app is that it permits any co-located app on the device to alter a system property via an exported interface without obtaining proper authorization.
Understanding CVE-2019-15363
This CVE identifies a security vulnerability in the Leagoo Power 5 Android device that allows unauthorized modification of system properties by co-located apps.
What is CVE-2019-15363?
The CVE-2019-15363 vulnerability involves the pre-installed app com.mediatek.wfo.impl on the Leagoo Power 5 device, enabling unauthorized system property alterations by any app co-located on the device.
The Impact of CVE-2019-15363
The vulnerability could lead to unauthorized access and potential misuse of system properties, compromising the device's security and user data.
Technical Details of CVE-2019-15363
The following technical details outline the specifics of the CVE-2019-15363 vulnerability.
Vulnerability Description
The Leagoo Power 5 Android device with the specified build fingerprint contains an app that allows unauthorized modification of system properties by co-located apps.
Affected Systems and Versions
- Affected Device: Leagoo Power 5
- App: com.mediatek.wfo.impl
- VersionCode: 27
- VersionName: 8.1.0
Exploitation Mechanism
The vulnerability permits any app co-located on the device to modify system properties through an exported interface without proper authorization.
Mitigation and Prevention
To address CVE-2019-15363, follow these mitigation and prevention measures:
Immediate Steps to Take
- Disable or uninstall the com.mediatek.wfo.impl app if possible.
- Regularly monitor app permissions and system property modifications.
Long-Term Security Practices
- Keep the device updated with the latest security patches.
- Exercise caution when installing apps from unknown sources.
Patching and Updates
- Check for firmware updates from Leagoo to address the vulnerability.