The Samsung KNOX for Android container must be configured to disable sharing of calendar information outside the container.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-69675	KNOX-39-015100	SV-84297r1_rule		Medium

Description
Calendar events can include potentially DoD-sensitive data such as names, contacts, dates and times, and locations. If made available outside the container, this information will be accessible to personal applications, resulting in potential compromise of DoD data. SFR ID: FMT_SMF_EXT.1.1 #45

STIG	Date
Samsung Android OS 6 (with KNOX 2.x) Security Technical Implementation Guide	2016-11-14

Details

Check Text ( C-70117r1_chk )
This validation procedure is performed on both the MDM Administration Console and the Samsung KNOX for Android device. Check whether the appropriate setting is configured on the MDM Administration Console: 1. Ask the MDM administrator to display the "Allow Export Calendar to Personal Mode" setting in the "Android KNOX Container >> Container Restrictions" rule. 2. Verify the setting is disabled. On the Samsung KNOX for Android device: 1. Open the KNOX container. 2. Select "KNOX Settings". 3. Select "Share contacts and calendars". 4. Verify "Export to Personal Mode – Calendar (from KNOX)" (on some devices, shown as "Export to Personal Mode - S Planner") is disabled and attempt to enable this setting. If the "Allow Export Calendar to Personal Mode" configuration in the MDM console is enabled, or if the user is able to successfully enable this setting, this is a finding.

Check Text ( C-70117r1_chk )

This validation procedure is performed on both the MDM Administration Console and the Samsung KNOX for Android device.

Check whether the appropriate setting is configured on the MDM Administration Console:
1. Ask the MDM administrator to display the "Allow Export Calendar to Personal Mode" setting in the "Android KNOX Container >> Container Restrictions" rule.
2. Verify the setting is disabled.

On the Samsung KNOX for Android device:
1. Open the KNOX container.
2. Select "KNOX Settings".
3. Select "Share contacts and calendars".
4. Verify "Export to Personal Mode – Calendar (from KNOX)" (on some devices, shown as "Export to Personal Mode - S Planner") is disabled and attempt to enable this setting.

If the "Allow Export Calendar to Personal Mode" configuration in the MDM console is enabled, or if the user is able to successfully enable this setting, this is a finding.

Fix Text (F-75879r1_fix)
Configure the mobile operating system to disable sharing of calendar information outside the container. On the MDM Administration Console, disable the "Allow Export Calendar to Personal Mode" setting in the "Android KNOX Container >> Container Restrictions" rule.