CVE-2018-14993 Information

Description

The ASUS Zenfone V Live Android device with a build fingerprint of asus/VZW_ASUS_A009/ASUS_A009:7.1.1/NMF26F/14.0610.1802.78-20180313:user/release-keys and the Asus ZenFone 3 Max Android device with a build fingerprint of asus/US_Phone/ASUS_X008_1:7.0/NRD90M/US_Phone-14.14.1711.92-20171208:user/release-keys both contain a pre-installed platform app with a package name of com.asus.splendidcommandagent (versionCode=1510200090 versionName=1.2.0.18_160928) that contains an exported service named com.asus.splendidcommandagent.SplendidCommandAgentService that allows any app co-located on the device to supply arbitrary commands to be executed as the system user. This app cannot be disabled by the user and the attack can be performed by a zero-permission app. Executing commands as system user can allow a third-party app to video record the user’s screen factory reset the device obtain the user’s notifications read the logcat logs inject events in the Graphical User Interface (GUI) change the default Input Method Editor (IME) (e.g. keyboard) with one contained within the attacking app that contains keylogging functionality obtain the user’s text messages and more.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.kryptowire.com https://www.kryptowire.com/portal/android-firmware-defcon-2018/ 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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8