The Leagoo Z5C Android device with a build fingerprint of...

Vulnerability Description

The Leagoo Z5C Android device with a build fingerprint of sp7731c_1h10_32v4_bird:6.0/MRA58K/android.20170629.214736:user/release-keys contains a pre-installed app with a package name of com.android.messaging (versionCode=1000110, versionName=1.0.001, (android.20170630.092853-0)) with an exported broadcast receiver app component named com.android.messaging.trackersender.TrackerSender. Any app co-located on the device, even one with no permissions, can send a broadcast intent with certain embedded data to the exported broadcast receiver application component that will result in the programmatic sending of a text message where the phone number and body of the text message is controlled by the attacker.

References

• https://www.kryptowire.com/portal/wp-content/uploads/2018/12/DEFCON-26-Johnson-and-Stavrou-Vulnerable-Out-of-the-Box-An-Eval-of-Android-Carrier-Devices-WP-Updated.pdf
• https://www.kryptowire.com/portal/android-firmware-defcon-2018/