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KNOX-16-008600 Samsung Android's Work profile must allow only the Administrator (management tool) to perform the following management function: Install/remove DoW root and intermediate PKI certificates.

DISA STIG library Y26M10
All changes in this version
first version loaded CAT II

Maps to CM-6(1) via CCI-000370

Title

Samsung Android's Work profile must allow only the Administrator (management tool) to perform the following management function: Install/remove DoW root and intermediate PKI certificates.

Control

COPE: Review the configuration to determine if the Samsung Android devices' Work profile is preventing users from removing DoW root and intermediate PKI certificates. This validation procedure is performed on both the management tool and the Samsung Android device. On the management tool, in the Work profile restrictions, verify "Configure credentials" is set to "Disallow". On the Samsung Android device: 1. Open Settings >> Security and privacy >> More security settings >> View security certificates. 2. In the System tab, verify no listed certificate in the Work profile can be untrusted. 3. In the User tab, verify no listed certificate in the Work profile can be removed. If on the management tool the device "Configure credentials" is not set to "Disallow", or on the Samsung Android device a certificate can be untrusted or removed, this is a finding. COBO: Review the configuration to determine if the Samsung Android devices are preventing users from removing DoW root and intermediate PKI certificates. This validation procedure is performed on both the management tool and the Samsung Android device. On the management tool, in the device restrictions, verify "Configure credentials" is set to "Disallow". On the Samsung Android device: 1. Open Settings >> Security and privacy >> More security settings >> View security certificates. 2. In the System tab, verify no listed certificate in the device can be untrusted. 3. In the User tab, verify no listed certificate in the device can be removed. If on the management tool in the device restrictions "Configure credentials" is not set to "Disallow", or on the Samsung Android device a certificate can be untrusted or removed, this is a finding.

Discussion

DoW root and intermediate PKI certificates are used to verify the authenticity of PKI certificates of users and web services. If the user is allowed to remove root and intermediate certificates, the user could allow an adversary to falsely sign a certificate in such a way that it could not be detected. Restricting the ability to remove DoW root and intermediate PKI certificates to the Administrator mitigates this risk. SFR ID: FMT_MOF_EXT.1.2 #47

Related controls

CCI-000370

Fix

COPE: Configure the Samsung Android devices' Work profile to prevent users from removing DoW root and intermediate PKI certificates. On the management tool, in the Work profile restrictions, set "Configure credentials" to "Disallow". COBO: Configure the Samsung Android devices to prevent users from removing DoW root and intermediate PKI certificates. On the management tool, in the device restrictions, set "Configure credentials" to "Disallow". API: addUserRestriction, DISALLOW_CONFIG_CREDENTIALS