Apple iOS/iPadOS must disable [Allow network drive access in Files access].

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-228781	AIOS-14-012700	SV-228781r561031_rule		Medium

Description
Allowing network drive access by the Files app could lead to the introduction of malware or unauthorized software into the DoD IT infrastructure and compromise of sensitive DoD information and systems. SFR ID: FMT_SMF_EXT.1.1 #47

STIG	Date
Apple iOS/iPadOS 14 Security Technical Implementation Guide	2021-05-25

Details

Check Text ( C-31016r509971_chk )
This a supervised-only control. If the iPhone or iPad being reviewed is not supervised by the MDM, this control is automatically a finding. If the iPhone or iPad being reviewed is supervised by the MDM, review configuration settings to confirm "Allow network drive access in Files access" is disabled. This check procedure is performed on both the device management tool and the iPhone and iPad. Note: If an organization has multiple configuration profiles, then the check procedure must be performed on the relevant configuration profiles applicable to the scope of the review. In the iOS management tool, verify "Allow network drive access in Files access" is unchecked. On the iPhone and iPad device: 1. Open the Settings app. 2. Tap "General". 3. Tap "Profiles & Device Management" or "Profiles". 4. Tap the Configuration Profile from the iOS management tool containing the restrictions policy. 5. Tap "Restrictions". 6. Verify "Allow network drive access in Files access" is not listed. If "Allow network drive access in Files access" is not disabled in both the management tool and on the Apple device, this is a finding.

Check Text ( C-31016r509971_chk )

This a supervised-only control. If the iPhone or iPad being reviewed is not supervised by the MDM, this control is automatically a finding.

If the iPhone or iPad being reviewed is supervised by the MDM, review configuration settings to confirm "Allow network drive access in Files access" is disabled.

This check procedure is performed on both the device management tool and the iPhone and iPad.

Note: If an organization has multiple configuration profiles, then the check procedure must be performed on the relevant configuration profiles applicable to the scope of the review.

In the iOS management tool, verify "Allow network drive access in Files access" is unchecked.

On the iPhone and iPad device:
1. Open the Settings app.
2. Tap "General".
3. Tap "Profiles & Device Management" or "Profiles".
4. Tap the Configuration Profile from the iOS management tool containing the restrictions policy.
5. Tap "Restrictions".
6. Verify "Allow network drive access in Files access" is not listed.

If "Allow network drive access in Files access" is not disabled in both the management tool and on the Apple device, this is a finding.

Fix Text (F-30993r509972_fix)
Install a configuration profile to disable "Allow network drive access in Files access".