STIGQter: STIG Summary: Apple iOS 12 Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 25 Jan 2019:

Apple iOS must not allow managed apps to write contacts to unmanaged contacts accounts.

DISA Rule

SV-96645r1_rule

Vulnerability Number

V-81931

Group Title

PP-MDF-991000

Rule Version

AIOS-12-012600

Severity

CAT III

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.
• CCI-000370 - The organization employs automated mechanisms to centrally manage configuration settings for organization-defined information system components.

Weight

10

Fix Recommendation

Install a configuration profile to prevent managed apps writing contacts to unmanaged contacts.

Check Contents

Review configuration settings to confirm "Allow managed apps to write contacts to unmanaged contacts accounts" is disabled.

This check procedure is performed on both the Apple iOS management tool and the Apple iOS device.

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 managed apps to write contacts to unmanaged contacts accounts" is unchecked.

On the iOS device:
1. Open the "Settings" app.
2. Tap "General".
3. Tap "Profiles" or "Profiles & Device Management" or "Device Management".
4. Tap the Configuration Profile from the iOS management tool containing the restrictions policy.
5. Tap "Restrictions".
6. Verify "Allow managed apps to write contacts to unmanaged contacts accounts" is not listed.

If "Allow managed apps to write contacts to unmanaged contacts accounts" is checked in the iOS management tool or the restrictions policy on the iOS device from the iOS management tool lists "Allow managed apps to write contacts to unmanaged contacts accounts", this is a finding.

Vulnerability Number

V-81931

Documentable

False

Rule Version

AIOS-12-012600

Severity Override Guidance

Review configuration settings to confirm "Allow managed apps to write contacts to unmanaged contacts accounts" is disabled.

This check procedure is performed on both the Apple iOS management tool and the Apple iOS device.

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 managed apps to write contacts to unmanaged contacts accounts" is unchecked.

On the iOS device:
1. Open the "Settings" app.
2. Tap "General".
3. Tap "Profiles" or "Profiles & Device Management" or "Device Management".
4. Tap the Configuration Profile from the iOS management tool containing the restrictions policy.
5. Tap "Restrictions".
6. Verify "Allow managed apps to write contacts to unmanaged contacts accounts" is not listed.

If "Allow managed apps to write contacts to unmanaged contacts accounts" is checked in the iOS management tool or the restrictions policy on the iOS device from the iOS management tool lists "Allow managed apps to write contacts to unmanaged contacts accounts", this is a finding.

Check Content Reference

M

Target Key

3401

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