Google Android 12 COBO Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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Android 12 devices must have the latest available Google Android 12 operating system installed.
<VulnDiscussion>Required security features are not available in earlier operating system versions. In addition, there may be known vulnerabil...Rule High Severity -
PP-MDF-990000
<GroupDescription></GroupDescription>Group -
Android 12 devices must be configured to disable the use of third-party keyboards.
<VulnDiscussion>Many third-party keyboard applications are known to contain malware. SFR ID: FMT_SMF_EXT.1.1 #47</VulnDiscussion><F...Rule Low Severity -
PP-MDF-990000
<GroupDescription></GroupDescription>Group -
PP-MDF-323026
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to enable a screen-lock policy that will lock the display after a period of inactivity.
<VulnDiscussion>The screen-lock timeout helps protect the device from unauthorized access. Devices without a screen-lock timeout provide an o...Rule Medium Severity -
PP-MDF-323030
<GroupDescription></GroupDescription>Group -
PP-MDF-323024
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to enforce a minimum password length of six characters.
<VulnDiscussion>Password strength is a measure of the effectiveness of a password in resisting guessing and brute force attacks. The ability ...Rule Medium Severity -
PP-MDF-323025
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to not allow passwords that include more than two repeating or sequential characters.
<VulnDiscussion>Password strength is a measure of the effectiveness of a password in resisting guessing and brute force attacks. Passwords th...Rule Medium Severity -
Google Android 12 must be configured to lock the display after 15 minutes (or less) of inactivity.
<VulnDiscussion>The screen lock timeout must be set to a value that helps protect the device from unauthorized access. Having a too-long time...Rule Medium Severity -
PP-MDF-323040
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to not allow more than 10 consecutive failed authentication attempts.
<VulnDiscussion>The more attempts an adversary has to guess a password, the more likely the adversary will enter the correct password and gai...Rule Medium Severity -
PP-MDF-323050
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to enforce an application installation policy by specifying one or more authorized application repositories, including [selection: DoD-approved commercial app repository, MDM server, mobile application store].
<VulnDiscussion>Forcing all applications to be installed from authorized application repositories can prevent unauthorized and malicious appl...Rule Medium Severity -
PP-MDF-323060
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to enforce an application installation policy by specifying an application allowlist that restricts applications by the following characteristics: [selection: list of digital signatures, cryptographic hash values, names, application version].
<VulnDiscussion>The application allowlist, in addition to controlling the installation of applications on the MD, must control user access/ex...Rule Medium Severity -
PP-MDF-323070
<GroupDescription></GroupDescription>Group -
Google Android 12 allowlist must be configured to not include applications with the following characteristics: 1. Back up mobile device (MD) data to non-DoD cloud servers (including user and application access to cloud backup services);2. Transmit MD diagnostic data to non-DoD servers;3. Voice assistant application if available when MD is locked;4. Voice dialing application if available when MD is locked;5. Allows synchronization of data or applications between devices associated with user; and6. Allows unencrypted (or encrypted but not FIPS 140-2 validated) data sharing with other MDs or printers.
<VulnDiscussion>Requiring all authorized applications to be in an application allowlist prevents the execution of any applications (e.g., una...Rule Medium Severity -
PP-MDF-323080
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to not display the following (work profile) notifications when the device is locked: [selection: a. email notifications b. calendar appointments c. contact associated with phone call notification d. text message notification e. other application-based notifications f. all notifications].
<VulnDiscussion>Many mobile devices display notifications on the lock screen so that users can obtain relevant information in a timely manner...Rule Medium Severity -
PP-MDF-323110
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to disable trust agents. Note: This requirement is not applicable (NA) for specific biometric authentication factors included in the product's Common Criteria evaluation.
<VulnDiscussion>Trust agents allow a user to unlock a mobile device without entering a passcode when the mobile device is, for example, conne...Rule Medium Severity -
PP-MDF-323130
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to disable developer modes.
<VulnDiscussion>Developer modes expose features of the mobile operating system (MOS) that are not available during standard operation. An adv...Rule Medium Severity -
PP-MDF-323160
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to display the DoD advisory warning message at startup or each time the user unlocks the device.
<VulnDiscussion>Before granting access to the system, the mobile operating system is required to display the DoD-approved system use notifica...Rule Low Severity -
PP-MDF-323170
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to generate audit records for the following auditable events: detected integrity violations.
<VulnDiscussion>Audit logs enable monitoring of security-relevant events and subsequent forensics when breaches occur. They help identify att...Rule Medium Severity -
PP-MDF-323230
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to disable USB mass storage mode.
<VulnDiscussion>USB mass storage mode enables the transfer of data and software from one device to another. This software can include malware...Rule Medium Severity -
PP-MDF-323240
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to not allow backup of [all applications, configuration data] to locally connected systems.
<VulnDiscussion>Data on mobile devices is protected by numerous mechanisms, including user authentication, access control, and cryptography. ...Rule Medium Severity -
PP-MDF-323250
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to not allow backup of [all applications, configuration data] to remote systems.
<VulnDiscussion>Backups to remote systems (including cloud backup) can leave data vulnerable to breach on the external systems, which often o...Rule Medium Severity -
PP-MDF-323290
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to disable multiuser modes.
<VulnDiscussion>Multiuser mode allows multiple users to share a mobile device by providing a degree of separation between user data. To date,...Rule Medium Severity -
PP-MDF-323320
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to disable Bluetooth or configured via User Based Enforcement (UBE) to allow Bluetooth for only Headset Profile (HSP), Hands-Free Profile (HFP), and Serial Port Profile (SPP).
<VulnDiscussion>Some Bluetooth profiles provide the capability for remote transfer of sensitive DoD data without encryption or otherwise do n...Rule Low Severity -
PP-MDF-323330
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to disable ad hoc wireless client-to-client connection capability.
<VulnDiscussion>Ad hoc wireless client-to-client connections allow mobile devices to communicate with each other directly, circumventing netw...Rule Medium Severity -
PP-MDF-990000
<GroupDescription></GroupDescription>Group -
Google Android 12 users must complete required training.
<VulnDiscussion>The security posture of Google devices requires the device user to configure several required policy rules on their device. U...Rule Medium Severity -
PP-MDF-990000
<GroupDescription></GroupDescription>Group -
Google Android 12 must be configured to enforce that Wi-Fi Sharing is disabled.
<VulnDiscussion>Wi-Fi Sharing is an optional configuration of Wi-Fi Tethering/Mobile Hotspot, which allows the device to share its Wi-Fi conn...Rule Medium Severity -
PP-MDF-990000
<GroupDescription></GroupDescription>Group -
Google Android 12 must have the DoD root and intermediate PKI certificates installed.
<VulnDiscussion>DoD root and intermediate PKI certificates are used to verify the authenticity of PKI certificates of users and web services....Rule Medium Severity -
PP-MDF-990000
<GroupDescription></GroupDescription>Group -
Google Android 12 work profile must be configured to enforce the system application disable list.
<VulnDiscussion>The system application disable list controls user access to/execution of all core and preinstalled applications. Core appl...Rule Medium Severity
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