Download
| Alert*
|
CCE-95271-1
"Disable Bluetooth Sharing Bluetooth sharing allows users to wirelessly transmit files between Mac OS X and Bluetooth-enabled devices, including personally owned cell phones and tablets. A malicious user might introduce viruses or malware onto the system or extract sensitive files. Disabling Blueto ... CCE-95256-4 "Set Minimum Password Length to 15 Characters The minimum password length must be set to 15 characters. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password length is one factor of several that helps to ... CCE-95233-3 "Audit Successful and Unsuccessful Logon Attempts An attacker might attempt to log in as an authorized user, through stolen credentials, unpatched exploits, or brute force attempts to guess a valid username and password. If a user is attempting to log in to a system at an unusual time, or if there ... CCE-95214-3 "Disable Wake for network access The wake for network access feature enables other users to access a computer's shared resources even if the computer is in sleep mode. The macOS benchmark states disabling the "wake for network access" feature could mitigate the risk of an attacker remotely waking t ... CCE-95210-1 "Disable File Sharing Apple's File Sharing feature uses a combination of SMB (Windows sharing) and AFP (Mac sharing). According to the benchmark (macOS), by disabling file sharing, the risk of unauthorized access to files stored on the system can be reduced." CCE-95218-4 "Disable guest account login The Guest account, a special managed account, is considered a security vulnerability in most situations because it has no password associated with it. Once an attacker has gained guest-level access, the attacker can try to elevate privileges to further exploit a system. ... CCE-95275-4 "Disable sending diagnostic and usage data to Apple To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable or restrict unused or unnecessary physical and logical por ... CCE-95237-4 "Verify group who owns the csh init files The group of csh init files must be wheel." CCE-95222-6 "Show Filename Extensions A filename extension is a suffix added to a base filename that indicates the base filenames file format. Visible filename extensions allow for the user to identify file types and the applications that files are associated with. It would help in identifying malicious files" CCE-95268-9 "Shut down the Computer if Auditing Fails The audit service should shut down the computer if it is unable to audit system events. Once audit failure occurs, user and system activitity is no longer recorded and malicious activity could go undetected. Audit processing failures include: software/hardw ... CCE-95249-9 "Verify group who owns the files under directory /var/audit The group of the audit logs must be wheel." CCE-95260-6 "Hide or display the sleep, restart, and shutdown buttons, in the login window. Hide or display the sleep, restart, and shutdown buttons, as a group, in the login window." CCE-95207-7 "Set the Global Umask Setting for System Process The default global umask setting must be set to '027' for user applications. The setting '027' ensures that user created files and directories will be readable, but not writable, by users that share the same group id. Users with a ... CCE-95226-7 "Audit has insufficient storage The audit service must be configured to require a minimum percentage of free disk space in order to run. This ensures that audit will notify the administrator that action is required to free up more disk space for audit logs. When minfree is set to 25%, security per ... CCE-95245-7 "Verify user who owns the csh init files The owner of csh init files must be root." CCE-95203-6 "Enable macOS update installs This setting allows macOS updates to be installed automatically once they are available from Apple. Because patches need to be applied as soon as possible, allowing for automatic updates ensures that the user's device is updated in a timely manner rather than be left v ... CCE-95264-8 "Set the SSH Idle Timeout Interval and the Timeout for the Login Prompt SSH should be configured to log users out after a 15 minute interval of inactivity and to only wait 30 seconds before timing out login attempts. Terminating an idle session within a short time period reduces the window of oppor ... CCE-95206-9 "Time Machine Auto-Backup Operational staff should ensure that backups complete on a regular basis and the backups are tested to ensure that file restoration from backup is possible when needed. Backup dates are available even when the target volume is not available in the Time Machine plist." CCE-95270-5 "Disable Automatic Logons When automatic logins are enabled, the default user account is automatically logged in at boot time without prompting the user for a password. Even if the screen is later locked, a malicious user would be able to reboot the computer in order to log in. Disabling automatic ... CCE-95255-6 "Verify group who owns the file /etc/syslog.conf The group of the /etc/syslog.conf file must be wheel. The syslog.conf file is the configuration file for the syslogd(8) program. It consists of lines with two fields: the selector field which specifies the types of messages and priorities to which th ... CCE-95232-5 "Enable Application Firewall The Application Firewall is the built in firewall that comes with Mac OS X and must be enabled. Firewalls protect computers from network attacks by blocking or limiting access to open network ports. Application firewalls limit which applications are allowed to communica ... CCE-95251-5 "Password hints on lock screen Controls whether inactivity logs out a user and, if so, how many minutes are required to trigger logout." CCE-95217-6 "Disable the root account The root account should be disabled on all macOS systems, and a separate administrator 2252 account should be established for each person who will be performing regular administrative tasks." CCE-95259-8 "Verify user who owns the file /etc/services The owner of the /etc/services file must be root. The services file contains information regarding the known services available in the DARPA Internet. For each service a single line should be present with the following information: official service name, ... CCE-95236-6 "Audit User Account Deletion When operating system accounts are removed, user accessibility is affected. The system must audit account removal actions so that administrator users can detect and respond to such events. Such a capability greatly reduces the risk that operating system accessibility wi ... CCE-95274-7 "Disable IPv6 Internet Protocol version 6 (IPv6) provides a new Internet layer of the TCP/IP protocol suite that replaces Internet Protocol version 4 (IPv4) and provides many benefits. If you are NOT using IPv6 disable it." CCE-95213-5 "Disable CD/DVD sharing DVD or CD sharing allows other users to remotely access the system's optical drive. Disabling this feature will minimize the risk of an attacker accessing the optical drive and using it as a vector to expose sensitive data." CCE-95263-0 "Prevent Users from Logging in as Root Directly Administrator users must never log in directly as root. To assure individual accountability and prevent unauthorized access, logging in as root over a remote connection must be disabled. Administrators should only run commands as root after first auth ... CCE-95248-1 "Verify user who owns the files under directory /var/audit The owner of the audit logs must be root." CCE-95240-8 "Audit Access Control Enforcement By auditing access restriction enforcement, changes to application and OS configuration files can be audited. Without auditing the enforcement of access restrictions, it will be difficult to identify attempted attacks and an audit trail will not be available for fo ... CCE-95244-0 "Verify the file permissions of init files The permissions of bash init files must be 444 or as appropriate. /etc/profile it is used to set system wide environmental variables on users shells. /etc/bashrc file is meant for setting command aliases and functions used by bash shell users." CCE-95225-9 "Don't Forward Source-Routed Packets A source-routed packet attempts to specify the network path that the system should take. If the system is not configured to block the sending of source-routed packets, an attacker can redirect the system's network traffic." CCE-95267-1 "Disable IPv4 Forwarding IP forwarding for IPv4 must not be enabled, unless the system is a router, as only authorized systems should be permitted to operate as routers." CCE-95202-8 "Enable system data files and security update installs This control ensures that system and security updates are installed after they are available from Apple. Staying up to date on patches is necessary to reduce the risk of vulnerabilities being exploited." CCE-95229-1 "Drop Incoming ICMPv4 Redirect Messages ICMP redirects are broadcast in order to reshape network traffic. A malicious user could craft fake redirect packets and try to force all network traffic to pass through a network sniffer. If the system is not configured to ignore these packets, it could be s ... CCE-95231-7 "Drop Incoming Source-Routed Packets A source-routed packet attempts to specify the network path the packet should take. If the system is not configured to block the incoming source-routed packets, an attacker can redirect the system's network traffic. Configuring the system to drop incoming s ... CCE-95239-0 "Prevent usage of previously used password Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. If the information system or application allows the user to consecutively reuse their password when that password h ... CCE-95258-0 "Set the Global Umask Setting for Users The default global umask setting must be set to '027' for user applications. The setting '027' ensures that user created files and directories will be readable, but not writable, by users that share the same group id. Users with a differen ... CCE-95250-7 "Verify the permissions of the audit configuration files The permissions of the audit configuration files must be 0555 or less." CCE-95216-8 "Create a Login window banner A policy banner is an additional window that is displayed during the login process. It requires users to acknowledge the contents of the banner by clicking an "Accept" button before proceeding to log in. Often used to supplement the lock screen message text, and to war ... CCE-95212-7 "Disable NFS Server NFS sharing could be enabled to allow someone on another computer to mount shares and gain access to information from the user's computer. File serving should not be done from a user desktop, dedicated servers should be used. Open ports make it easier to exploit the computer." CCE-95235-8 "Numeric Character in Passwords Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password complexity i ... CCE-95254-9 "Verify user who owns the file /etc/syslog.conf The owner of the /etc/syslog.conf file must be root. The syslog.conf file is the configuration file for the syslogd(8) program. It consists of lines with two fields: the selector field which specifies the types of messages and priorities to which the ... CCE-95273-9 "Ensure Only root has the UID 0 The built in root account is disabled by default and administrator users are required to use sudo to run a process with the UID '0'. If another account with UID '0' exists, this is a sign of a network intrusion or a malicious user that is attempti ... CCE-95262-2 "Disable Infrared [IR] Infrared [IR] kernel support must be disabled to prevent users from controlling the system with IR devices. By default, if IR is enabled, the system will accept IR control from any remote." CCE-95220-0 "Disable allow guests to connect to shared folders (SMB Server) Allowing guests to connect to shared folders lets users access such folders from different computers on a network. Not allowing guests to connect to shared folders mitigates the risk of an untrusted user doing basic reconnaissance and ... CCE-95247-3 "Define the Idle Time for the Login Screen Saver Specifies the maximum time the login window can be inactive before the screen saver starts. This is distinct from a user session's idle time. Setting to 900 seconds (15 minutes) instead of the OEM value of unlimited." CCE-95205-1 "Enable Secure Keyboard Entry in terminal.app Secure Keyboard Entry prevents other applications on the system and/or network from detecting and recording what is typed into Terminal. Enabling this feature can minimize the risk of a key logger identifying the keys entered into the Terminal" CCE-95224-2 "Don't Send ICMPv4 Redirect Messages ICMP redirects are broadcast in order to reshape network traffic. A malicious user could use the system to send fake redirect packets and try to force all network traffic to pass through a network sniffer. Disabling ICMP redirect broadcasts mitigates this risk." CCE-95243-2 "Local user accounts are visible in the login window The setting controls whether local user accounts are visible in the login window." CCE-95201-0 "Enable Auto Update Automatically checking for updates makes it easier for the user to know when updates are available. It is important that a system has the newest updates applied to prevent unauthorized persons from exploiting identified vulnerabilities." CCE-95209-3 "Ensure Set time and date automatically Correct date and time settings are required for authentication protocols, file creation, modification dates, and log entries. If the time on the Mac is off by more than 5 minutes, Apple's single sign-on feature and active directory logins may be affected. Set ... CCE-95228-3 "Ensure Audit Logs are Kept for 1 Week or Longer The audit service must be configured to require that records are kept for 7 days or longer before deletion when there is no central audit record storage facility. When expire-after is set to 7d, the audit service will not delete audit logs until the ... CCE-95266-3 "Verify group who owns the init files The group of bash init files must be wheel. /etc/profile it is used to set system wide environmental variables on users shells. /etc/bashrc file is meant for setting command aliases and functions used by bash shell users." CCE-95215-0 "Ensure login Screen has a customer message A custom message that can be displayed at the lock screen and FileVault login screen. Often used to warn people of permitted system actions and possible legal consequences of misuse. The benchmark (macOS) states that displaying an access warning may reduc ... CCE-95230-9 "Drop Incoming ICMPv4 Timestamp Requests ICMP Timestamp requests reveal information about the system and can be used to determine which operating system is installed. Precise time data can also be used to launch time based attacks against the system. Configuring the system to drop incoming ICMPv4 t ... CCE-95257-2 "Disable Wi-Fi if Not Required The kernel extension for Wi-Fi network devices such as Airport must be removed to ensure that users will not be able to reactivate wireless networking at a later time. System updates will sometimes replace deleted kernel extensions. Administrator users may need to per ... CCE-95234-1 "Verify the file permissions of csh init files The permissions of csh init files must be 644." CCE-95253-1 "Verify permissions of file /etc/services The permissionbs of the /etc/services file must be 0644 or less. The services file contains information regarding the known services available in the DARPA Internet. For each service a single line should be present with the following information: official s ... CCE-95276-2 "Disable Bonjour advertising Bonjour is an auto-discovery mechanism for TCP/IP devices that enumerate devices and services within a local subnet. DNS on macOS is integrated with Bonjour and should not be turned off, but the Bonjour advertising service can be disabled." CCE-95219-2 "Disable allow guests to connect to shared folders (AFP Server) Allowing guests to connect to shared folders lets users access such folders from different computers on a network. Not allowing guests to connect to shared folders mitigates the risk of an untrusted user doing basic reconnaissance and ... CCE-95238-2 "Maximum password lifetime restriction Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. One method of minimizing this risk is to use complex passwords and periodically change them. If the operating system does not limit the lifet ... CCE-95211-9 "Disable Printer Sharing When Printer Sharing is enabled, the computer is established as a print server to accept print jobs from other computers. Disabling Printer Sharing mitigates the risk of attackers attempting to exploit the print server to gain access to the system. Using dedicated print ser ... CCE-95223-4 "Prompt Password for all open sessions The sudo command must be configured to prompt for the administrator user's password at least once in each newly opened Terminal window or remote login session, as this prevents a malicious user from taking advantage of an unlocked computer or an abandoned ... CCE-95269-7 "Turn on Firewall Logging Firewall logging must be enabled. This ensures that malicious network activity will be logged to the system. This requirement is NA if HBSS is used." CCE-95200-2 "Use stealth mode to keep your Mac more secure If you're concerned about security, you can use stealth mode to make it more difficult for hackers and malware to find your Mac. When stealth mode is turned on, your Mac doesn't respond to either "ping" requests or connection attempts from a closed TCP ... CCE-95261-4 "Verify group who owns the file /etc/services The group of the /etc/services file must be wheel. The services file contains information regarding the known services available in the DARPA Internet. For each service a single line should be present with the following information: official service nam ... CCE-95208-5 "Disable Screen Sharing Screen sharing is a feature that lets computers on the same network connect to one another and to display the same screen. While sharing screens, the user can control the actions on that computer. The macOS benchmark states that disabling screen sharing mitigates the risk of ... CCE-95204-4 "Enable app update installs By automatically installing app store updates in the background, the user safeguarded from potential vulnerabilities in the previous version of the App Store." CCE-95265-5 "Verify user who owns the init files The owner of bash init files must be root. /etc/profile it is used to set system wide environmental variables on users shells. /etc/bashrc file is meant for setting command aliases and functions used by bash shell users." CCE-95227-5 "Enable Gatekeeper Gatekeeper settings must be configured correctly to only allow the system to run applications downloaded from the Mac App Store. Administator users will still have the option to override these settings on a per app basis. Gatekeeper is a security feature that ensures that applica ... CCE-95246-5 "Audit All Logon Events Remote access services, such as those providing remote access to network devices and information systems, increase risk and expose those systems to possible cyber attacks, so all remote access should be closely monitored and audited. Only authorized users should be permitted ... CCE-95241-6 "Audit Administrative actions and changes to configuration settings If events associated with non-local administrative access or diagnostic sessions are not logged, a major tool for assessing and investigating attacks would not be available. This requirement addresses auditing-related issues assoc ... CCE-95252-3 "Disable fast user switching Controls whether a user can use the OSX GUI to start or switch to a login session running as another user concurrently." CCE-95242-4 "Hide or display the sleep button in the login window Hide or display the sleep button in the login window." |
