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oval:org.secpod.oval:def:54072
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. Use the command chgrp wheel /etc/bashrc /etc/profile to change group owner a ... oval:org.secpod.oval:def:54024 The owner of 'csh init' files must be root or as appropriate. Use the command chown root /etc/csh.cshrc /etc/csh.login /etc/csh.logout to change the owner as appropriate. oval:org.secpod.oval:def:53983 The /etc/group file should not have an extended ACL. Use the chmod command to apply or remove the extended ACL permissions as appropriate. oval:org.secpod.oval:def:54038 Controls whether the login window shows a list of non-local (other) users from which to choose when logging in, or shows fields in which a user and a password can be entered. In loginwindow.plist, set the SHOWOTHERUSERS_MANAGED key = false. If the key does not exist, a list of users is displayed. oval:org.secpod.oval:def:54032 Hide or display the shutdown button in the login window. In loginwindow.plist, set the ShutDownDisabled key = true to hide the button. If the key does not exist, the button is displayed. oval:org.secpod.oval:def:54073 The /etc/passwd file should not have an extended ACL. Use the chmod command to apply or remove the extended ACL permissions as appropriate. oval:org.secpod.oval:def:53989 The audit service should be configured to immediately print messages to the console or email administrator users when an auditing failure occurs. It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without a real-time alert, s ... oval:org.secpod.oval:def:54021 The setting controls whether mobile accounts, which synchronize home folders between clients and servers, are visible in the login window. In loginwindow.plist, set the HideMobileAccounts key = true to hide mobile accounts. If the key does not exist, mobile accounts are displayed. oval:org.secpod.oval:def:54016 Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external entities that have compromised information system accounts, is a serious and ongoing concern and can have significant adverse impacts on organizations. Auditing the use of privile ... oval:org.secpod.oval:def:54075 Automatic actions must be disabled for music CDs. Applications should not be configured to launch automatically when a disk is inserted. This potentially circumvents anti virus software and allows malicious users to craft disks that can exploit user applications. Disabling Automatic Actions for musi ... oval:org.secpod.oval:def:53977 Applications should not be configured to launch automatically when a disk is inserted. This potentially circumvents anti virus software and allows malicious users to craft disks that can exploit user applications. Disabling Automatic Actions for blank CDs mitigates this risk. oval:org.secpod.oval:def:54084 Bluetooth Sharing must be disabled. 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. Disablin ... oval:org.secpod.oval:def:54025 Account creations and account modfications, such as disablement and termination, can all be signs of an intrusion and should be audited. Once an attacker establishes access to a system, the attacker may attempt to create an account to reestablish access at a later time. The attacker may also attempt ... oval:org.secpod.oval:def:54031 The group of the audit logs must be wheel. The audit files are under /var/audit; set the group for each via chgrp. oval:org.secpod.oval:def:54065 The SSH Version should be explicitly set to Version 2. Version 2 supports strong crypto and was rewritten from scratch to resolve several weaknesses in Version 1 that make it extremely vulnerable to attackers. The weaker crypto in Version 1 is potentially susceptible to certain forms of replay attac ... oval:org.secpod.oval:def:53993 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 timestamp requests mitigates these risks. oval:org.secpod.oval:def:54069 Hide or display the restart button in the login window. In loginwindow.plist, set the RestartDisabled key = true to hide the buttons. If the key does not exist, the button is displayed. oval:org.secpod.oval:def:54008 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 lifetime of passwords and force users to chang ... oval:org.secpod.oval:def:54051 iTunes Music Sharing must be disabled. When iTunes Music Sharing is enabled, the computer starts a network listening service that shares the contents of the user's music collection with other users in the same subnet. Unnecessary network services should always be disabled because they increase the a ... oval:org.secpod.oval:def:53985 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. oval:org.secpod.oval:def:54063 Once an attacker establishes initial access to a system, the attacker often attempts to create a persistent method of re-establishing access. One way to accomplish this is for the attacker to create a new account. Auditing of account creation mitigates this risk. To address access requirements, many ... oval:org.secpod.oval:def:54083 The Bluetooth kernel extension must be removed, as wireless access introduces unnecessary security risks. Removing Bluetooth support entirely mitigates this risk and ensures the operating system enforces this requirement. oval:org.secpod.oval:def:54000 Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident, or identify those responsible for one. DoD has defined the list of events for which the operating system will provide an audit record generation capabi ... oval:org.secpod.oval:def:54071 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. Use chown root /etc/bashrc /etc/profile to to change the owner as appropriate ... oval:org.secpod.oval:def:53997 Once an attacker establishes initial access to a system, the attacker often attempts to create a persistent method of re-establishing access. One way to accomplish this is for the attacker to create a new account or modify an existing one. Auditing of account creation and modification is one method ... oval:org.secpod.oval:def:53995 Applications should not be configured to launch automatically when a disk is inserted. This potentially circumvents anti virus software and allows malicious users to craft disks that can exploit user applications. Disabling Automatic Actions for blank DVDs mitigates this risk. oval:org.secpod.oval:def:54014 The setting controls whether external accounts, which are defined and stored on 'other' media (such as USB drives or specified disk partitions), are allowed to be active on a system. In loginwindow.plist, set the EnableExternalAccounts key = false to disable external accounts. If the key does not e ... oval:org.secpod.oval:def:54023 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. oval:org.secpod.oval:def:54011 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 associated with maintenance tools used specifically for diagnostic and repa ... oval:org.secpod.oval:def:54005 The permissions on a file establish which users are permitted to access or modify it. An attacker may attempt to change the permissions on a file to prevent legitimate users from accessing it or to grant additional access to an account the attacker controls. Auditing successful and unsuccessful atte ... oval:org.secpod.oval:def:54041 Controls whether inactivity logs out a user and, if so, how many minutes are required to trigger logout. In .GlobalPreferences.plist, delete the AutoLogoutDelay key to disable inactivity logout. oval:org.secpod.oval:def:54064 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. oval:org.secpod.oval:def:54059 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, port number, protocol name, aliases. oval:org.secpod.oval:def:54003 The permissions on a file establish which users are permitted to access or modify it. An attacker may attempt to change the permissions on a file to prevent legitimate users from accessing it or to grant additional access to an account the attacker controls. Auditing successful and unsuccessful atte ... oval:org.secpod.oval:def:54049 The /etc/hosts file should not have an extended ACL. Use the chmod command to apply or remove the extended ACL permissions as appropriate. oval:org.secpod.oval:def:54062 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 name, port number, protocol name, aliases. oval:org.secpod.oval:def:54076 Automatic actions must be disabled for picture CDs. Applications should not be configured to launch automatically when a disk is inserted. This potentially circumvents anti virus software and allows malicious users to craft disks that can exploit user applications. Disabling Automatic Actions for pi ... oval:org.secpod.oval:def:53990 Bluetooth devices must not be allowed to wake the computer. If Bluetooth is not required, turn it off. If Bluetooth is necessary, disable allowing Bluetooth devices to wake the computer. oval:org.secpod.oval:def:54056 The owner of the ipcs executable must be root. The ipcs utility provides information on System V interprocess communication (IPC) facilities on the system. oval:org.secpod.oval:def:54018 The permissions on a file establish which users are permitted to access or modify it. An attacker may attempt to change the permissions on a file to prevent legitimate users from accessing it or to grant additional access to an account the attacker controls. Auditing successful and unsuccessful atte ... oval:org.secpod.oval:def:54043 The /etc/syslog.conf file should not have an extended ACL. Use the chmod command to apply or remove the extended ACL permissions as appropriate. oval:org.secpod.oval:def:54079 The operating system must protect the confidentiality and integrity of all information at rest. FileVault Disk Encryption must be enabled. By encrypting the system hard drive, the confidentiality and integrity of any data stored on the system is ensured. Information at rest refers to the state of in ... oval:org.secpod.oval:def:54060 The operating system must retain the session lock until the user reestablishes access using established identification and authentication procedures. Users must be prompted to enter their passwords when unlocking the screensaver. The screensaver acts as a session lock and prevents unauthorized users ... oval:org.secpod.oval:def:54046 The /usr/sbin/traceroute file should not have an extended ACL. Use the chmod command to apply or remove the extended ACL permissions as appropriate. oval:org.secpod.oval:def:54037 The login window must be configured to prompt all users for both a username and a password. By default, the system displays a list of known users at the login screen. This gives an advantage to an attacker with physical access to the system, as the attacker would only have to guess the password for ... oval:org.secpod.oval:def:58225 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 ports/protocols on information systems. Operating system ... oval:org.secpod.oval:def:58226 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. oval:org.secpod.oval:def:54036 The permissions of the audit logs must be 0640 or as appropriate. The audit files are under /var/audit; set the permission for each via chmod. oval:org.secpod.oval:def:54077 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. oval:org.secpod.oval:def:54026 The setting controls whether network users are listed in the login window. In loginwindow.plist, set the IncludeNetworkUser key = false to hide network users. If the key does not exist, network users are not displayed. oval:org.secpod.oval:def:54048 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 the line applies, and an action field which specifie ... oval:org.secpod.oval:def:53981 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 login session to bypass the normal password ... oval:org.secpod.oval:def:54074 Secure virtual memory must be enabled. Secure virtual memory ensures that data in memory is encrypted when it is swapped to disk. This prevents users and applications from accessing potentially sensitive information, such as user names and passwords, from the swap space on the hard drive. oval:org.secpod.oval:def:54035 The audit tool executables should not have extended ACLs. Use the chmod command to apply or remove the extended ACL permissions as appropriate. In /usr/sbin, auditd, audit, auditreduce, and praudit set via chmod. oval:org.secpod.oval:def:54080 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. oval:org.secpod.oval:def:54082 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 logins mitigates this risk. oval:org.secpod.oval:def:54085 The root account must be the only account having a UID of 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 ... oval:org.secpod.oval:def:54061 Hide or display the sleep, restart, and shutdown buttons, in the login window. In loginwindow.plist, set the PowerOffDisabled key = true to hide the buttons. If the key does not exist, buttons are displayed. oval:org.secpod.oval:def:54015 The setting controls whether admin accounts are visible on the login window. In loginwindow.plist, set the HideAdminUsers key = true to hide admin accounts. If the key does not exist, admin accounts are displayed. oval:org.secpod.oval:def:54050 The /etc/services file should not have an extended ACL. Use the chmod command to apply or remove the extended ACL permissions as appropriate. oval:org.secpod.oval:def:54057 The group of the ipcs executable must be root. The ipcs utility provides information on System V interprocess communication (IPC) facilities on the system. oval:org.secpod.oval:def:54070 The /etc/openldap/ldap.conf file should not have an extended ACL. Use the chmod command to apply or remove the extended ACL permissions as appropriate. oval:org.secpod.oval:def:54034 Hide or display the sleep button in the login window. In loginwindow.plist, set the SleepDisabled key = true to hide the button. If the key does not exist, the button is displayed. oval:org.secpod.oval:def:54044 The /usr/lib/cron/cron.allow file should not have an extended ACL. Use the chmod command to apply or remove the extended ACL permissions as appropriate. oval:org.secpod.oval:def:54010 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 forensic investigation. Enforcement a ... oval:org.secpod.oval:def:54055 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 different group id will not be able to read or write those files. Thi ... oval:org.secpod.oval:def:54002 The permissions of csh init files must be 644 or as appropriate. Use the command chmod 644 /etc/csh.cshrc /etc/csh.login /etc/csh.logout to set permissions of csh init files or as appropriate. oval:org.secpod.oval:def:53982 The /etc/aliases file should not have an extended ACL. Use the chmod command to apply or remove the extended ACL permissions as appropriate. oval:org.secpod.oval:def:54067 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 opportunity for unauthorized personnel to take control of a management session ... oval:org.secpod.oval:def:53991 End users must not be able to override Gatekeeper settings. Gatekeeper must be configured with a configuration profile in order to prevent normal users from overriding its setting. If users are allowed to disable Gatekeeper or set it to a less restrictive setting, then it is possible that malware co ... oval:org.secpod.oval:def:54020 The setting controls whether local user accounts are visible in the login window. In loginwindow.plist, set the HideLocalUsers key = true to hide local user accounts. If the key does not exist, user accounts are displayed. oval:org.secpod.oval:def:54054 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 periodically check to ensure that t ... oval:org.secpod.oval:def:54028 Kernel modules, called kernel extensions in Mac OS X, are compiled segments of code that are dynamically loaded into the kernel as required to support specific pieces of hardware or functionality. Privileged users are permitted to load or unload kernel extensions manually. An attacker might attempt ... oval:org.secpod.oval:def:53987 The system must allow only applications downloaded from the App Store to run. Gatekeeper settings must be configured correctly to only allow the system to run applications downloaded from the Mac App Store. Administrator users will still have the option to override these settings on a per app basis. ... oval:org.secpod.oval:def:54078 The audit service should shut down the computer if it is unable to audit system events. Once audit failure occurs, user and system activity is no longer recorded and malicious activity could go undetected. Audit processing failures include: software/hardware errors; failures in the audit capturing m ... oval:org.secpod.oval:def:54042 The permissions 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 service name, port number, protocol name, ali ... oval:org.secpod.oval:def:54027 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 to remotely access DoD n ... oval:org.secpod.oval:def:53999 Frequently, an attacker that successfully gains access to a system has only gained access to an account with limited privileges, such as a guest account or a service account. The attacker must attempt to change to another user account with normal or elevated privileges in order to proceed. Auditing ... oval:org.secpod.oval:def:54033 The permissions of the audit configuration files must be 0555 or less. In /etc/security, audit_class, audit_control, audit_event, audit_warn, and audit_user permissions set via chmod. oval:org.secpod.oval:def:54006 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 will be negatively affected for ... oval:org.secpod.oval:def:53992 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 susceptible to this kind of attack. oval:org.secpod.oval:def:53986 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 personnel are notified immediately wh ... oval:org.secpod.oval:def:53996 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 communicate over the network. oval:org.secpod.oval:def:53998 The permissions on a file establish which users and groups are permitted to access or modify it. An attacker may attempt to change the permissions on a file to prevent legitimate users from accessing it or to grant additional access to an account the attacker controls. Auditing successful and unsucc ... oval:org.secpod.oval:def:54013 Enable or disable console login as appropriate. If console login is enabled, the user can type '>console' for the user name to get a console login. In loginwindow.plist, set the DisableConsoleAccess key = true to prevent console logins. If the key does not exist, console login is allowed. oval:org.secpod.oval:def:53984 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. oval:org.secpod.oval:def:54009 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 has exceeded its defined lifetime, the end re ... oval:org.secpod.oval:def:54045 The /private/var/at/cron.deny file should not have an extended ACL. Use the chmod command to apply or remove the extended ACL permissions as appropriate. oval:org.secpod.oval:def:54058 The /etc/resolv.conf file should not have an extended ACL. Use the chmod command to apply or remove the extended ACL permissions as appropriate. oval:org.secpod.oval:def:54001 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 are many failed attempts, there is a possibility th ... oval:org.secpod.oval:def:54053 The operating system must enforce a minimum 15-character password length. 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 fact ... oval:org.secpod.oval:def:54040 Controls when, and if, a password hint is given the user, based on the number of failed login attempts. In loginwindow.plist, set the RetriesUntilHint key = X to show a hint after X login failures, or set the key = 0 to disable hints. oval:org.secpod.oval:def:54007 The group of csh init files must be wheel. Use the command chown :0 /etc/csh.cshrc /etc/csh.login /etc/csh.logout to change the group owner as appropriate. oval:org.secpod.oval:def:54004 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 is one factor of several that deter ... oval:org.secpod.oval:def:54081 Automatic actions must be disabled for video DVDs. Applications should not be configured to launch automatically when a disk is inserted. This potentially circumvents anti virus software and allows malicious users to craft disks that can exploit user applications. Disabling Automatic Actions for vid ... oval:org.secpod.oval:def:53980 When operating system accounts are disabled, user accessibility is affected. The system must audit account disablement actions so that administrator users can detect and respond to such events. Such a capability greatly reduces the risk that operating system accessibility will be negatively affected ... oval:org.secpod.oval:def:53988 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 log data is at least 7 days old. oval:org.secpod.oval:def:54029 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. In loginwindow.plist, set the loginWindowIdleTime key = 900. If the key does not ... oval:org.secpod.oval:def:54047 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 line applies, and an action field which specifies ... oval:org.secpod.oval:def:54030 The owner of the audit logs must be root or as appropriate. oval:org.secpod.oval:def:54039 The audit logs must not have extended ACLs. Use the chmod command to apply or remove the extended ACL permissions as appropriate. oval:org.secpod.oval:def:53994 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 source-routed IPv4 packets mitigates this ri ... oval:org.secpod.oval:def:54012 Controls whether a user can use the OSX GUI to start or switch to a login session running as another user concurrently. In .GlobalPreferences.plist, set the MultipleSessionEnabled key to false to disable fast user switching. oval:org.secpod.oval:def:54017 Frequently, an attacker that successfully gains access to a system has only gained access to an account with limited privileges, such as a guest account or a service account. The attacker must attempt to change to another user account with normal or elevated privileges in order to proceed. Auditing ... oval:org.secpod.oval:def:54022 Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external entities that have compromised information system accounts, is a serious and ongoing concern and can have significant adverse impacts on organizations. Auditing the use of privile ... oval:org.secpod.oval:def:54068 Finder must be set to always empty Trash securely. Finder must be configured to always empty Trash securely in order to prevent data recovery tools from accessing the deleted files. Files emptied from the Trash by normal means are still present on the hard drive and can be recovered up until the mom ... oval:org.secpod.oval:def:54052 The SSH Version should be explicity set to Version 2. Version 2 supports strong crypto and was rewritten from scratch to resolve several weaknesses in Version 1 that make it extremely vulnerable to attackers. The weaker crypto in Version 1 is potentially susceptible to certain forms of replay attack ... oval:org.secpod.oval:def:54066 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 authenticating with their individual user names and p ... |
