The Asus ZenFone 4 Selfie Android device with a build fingerprint of asus/WW_Z01M/ASUS_Z01M_1:7.1.1/NMF26F/WW_user_11.40.208.77_20170922:user/release-keys contains a pre-installed app with a package name of com.asus.loguploaderproxy app (versionCode=1570000015, versionName=7.0.0.3_161222) that allows other pre-installed apps to perform command execution via an accessible app component. This capability can be accessed by any pre-installed app on the device which can obtain signatureOrSystem permissions that are required by other other pre-installed apps that exported their capabilities to other pre-installed app.

References

• https://nvd.nist.gov/vuln/detail/CVE-2019-15398
• https://www.kryptowire.com/android-firmware-2019/