The LG Android 5.0 platform must be configured to enforce an application installation policy by specifying one or more authorized application repositories: disable unknown source.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-58777	LGA5-10-000402	SV-73207r1_rule		Medium

Description
Forcing all applications to be installed from authorized application repositories can prevent unauthorized and malicious applications from being installed and executed on mobile devices. Allowing such installations and executions could cause a compromise of DoD data accessible by these unauthorized/malicious applications. SFR ID: FMT_SMF.1.1 #10

STIG	Date
LG Android 5.x Interim Security Configuration Guide	2015-09-22

Details

Check Text ( C-59621r4_chk )
This validation procedure is performed on both the MDM Administration Console and the LG Android device. Check whether the appropriate setting is configured on the MDM Administration Console: 1. Ask the MDM administrator to display the "Allow unknown sources" setting in the MDM console. 2. Verify the setting is disabled. On the LG Android device: 1. Unlock the device 2. Navigate to the "Unknown sources": Settings >> Security >> Unknown sources 3. Verify "Unknown sources" setting is disabled. If the "Allow unknown sources" setting is enabled, or if the user is able to install the unknown source application, this is a finding.

Check Text ( C-59621r4_chk )

This validation procedure is performed on both the MDM Administration Console and the LG Android device.

Check whether the appropriate setting is configured on the MDM Administration Console:
1. Ask the MDM administrator to display the "Allow unknown sources" setting in the MDM console.
2. Verify the setting is disabled.

On the LG Android device:
1. Unlock the device
2. Navigate to the "Unknown sources": Settings >> Security >> Unknown sources
3. Verify "Unknown sources" setting is disabled.

If the "Allow unknown sources" setting is enabled, or if the user is able to install the unknown source application, this is a finding.

Fix Text (F-64161r2_fix)
Configure the mobile device to use one or more authorized application repositories. On the MDM Administration Console, disable "Unknown Sources".