Samsung Android OS 14 with Knox 3.x COBO Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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The Samsung Android device must be configured to enable Certificate Revocation List (CRL) status checking.
A CRL allows a certificate issuer to revoke a certificate for any reason, including improperly issued certificates and compromise of the private keys. Checking the revocation status of the certific...Rule Medium Severity -
PP-MDF-993300
Group -
The Samsung Android device must be configured to enforce that Wi-Fi Sharing is disabled.
Wi-Fi Sharing is an optional configuration of Wi-Fi Tethering/Mobile Hotspot, which allows the device to share its Wi-Fi connection with other wirelessly connected devices instead of its mobile (ce...Rule Medium Severity -
PP-MDF-993300
Group -
The Samsung Android device work profile must be configured to enforce the system application disable list.
The system application disable list controls user access to/execution of all core and preinstalled applications. Core application: Any application integrated into Samsung Android 14 by Samsung. ...Rule Medium Severity -
PP-MDF-993300
Group -
The Samsung Android device must be configured to disable the use of third-party keyboards.
Many third-party keyboard applications are known to contain malware. SFR ID: FMT_SMF_EXT.1.1 #47Rule Low Severity -
PP-MDF-993300
Group -
The Samsung Android device must be configured to disable all data signaling over [assignment: list of externally accessible hardware ports (for example, USB)].
If a user is able to configure the security setting, the user could inadvertently or maliciously set it to a value that poses unacceptable risk to DOD information systems. An adversary could exploi...Rule Medium Severity -
PP-MDF-993300
Group -
The Samsung Android device must be configured to perform the following management function: Disable Phone Hub.
It may be possible to transfer work profile data on a DOD Android device to an unauthorized Chromebook if the user has the same Google Account set up on the Chromebook. This may result in the expos...Rule Low Severity -
PP-MDF-333330
Group -
Samsung Android must be configured to disable ad hoc wireless client-to-client connection capability.
Ad hoc wireless client-to-client connections allow mobile devices to communicate with each other directly, circumventing network security policies and making the traffic invisible. This could allow...Rule Medium Severity -
Samsung Android must be configured to not allow passwords that include more than four repeating or sequential characters.
Password strength is a measure of the effectiveness of a password in resisting guessing and brute force attacks. Passwords that contain repeating or sequential characters are significantly easier t...Rule Medium Severity -
Samsung Android must be configured to disable authentication mechanisms providing user access to protected data other than a Password Authentication Factor: Face recognition.
The biometric factor can be used to authenticate the user to unlock the mobile device. Unapproved/evaluated biometric mechanisms could allow unauthorized users to have access to DOD sensitive data ...Rule Medium Severity -
Samsung Android must be configured to disable all Bluetooth profiles except for HSP (Headset Profile), HFP (Hands-Free Profile), SPP (Serial Port Profile), A2DP (Advanced Audio Distribution Profile), AVRCP (Audio/Video Remote Control Profile), and PBAP (Phone Book Access Profile).
Some Bluetooth profiles provide the capability for remote transfer of sensitive DOD data without encryption or otherwise do not meet DOD IT security policies and therefore must be disabled. SFR ID...Rule Low Severity -
Samsung Android must be configured to enable encryption for data at rest on removable storage media or, alternately, the use of removable storage media must be disabled.
The MOS must ensure the data being written to the mobile device's removable media is protected from unauthorized access. If data at rest is unencrypted, it is vulnerable to disclosure. Even if the ...Rule High Severity -
Samsung Android must have the DOD root and intermediate PKI certificates installed.
DOD root and intermediate PKI certificates are used to verify the authenticity of PKI certificates of users and web services. If the root and intermediate certificates are not available, an adversa...Rule Medium Severity -
Samsung Android must be configured to not allow installation of applications with the following characteristics: - Back up MD data to non-DOD cloud servers (including user and application access to cloud backup services); - Transmit MD diagnostic data to non-DOD servers; - Voice assistant application if available when MD is locked; - Voice dialing application if available when MD is locked; - Allows synchronization of data or applications between devices associated with user; and - Allows unencrypted (or encrypted but not FIPS 140-2 validated) data sharing with other MDs or printers.
Requiring all authorized applications to be in an application allowlist prevents the execution of any applications (e.g., unauthorized, malicious) that are not part of the allowlist. Failure to con...Rule Medium Severity -
Samsung Android must be configured to prevent users from adding personal email accounts to the work email app.
If the user is able to add a personal email account (POP3, IMAP, EAS) to the work email app, it could be used to forward sensitive DOD data to unauthorized recipients. Restricting email account add...Rule Medium Severity -
Samsung Android must be configured to not allow backup of all applications, configuration data to remote systems.- Disable Data Sync Framework.
Backups to remote systems (including cloud backup) can leave data vulnerable to breach on the external systems, which often offer less protection than the MOS. Where the remote backup involves a cl...Rule Medium Severity -
Samsung Android must not accept the certificate when it cannot establish a connection to determine the validity of a certificate.
Certificate-based security controls depend on the ability of the system to verify the validity of a certificate. If the MOS were to accept an invalid certificate, it could take unauthorized actions...Rule Low Severity
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