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IBM AIX 7.x Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • AIX ftpd daemon must not be running.

    <VulnDiscussion>The ftp service is used to transfer files from or to a remote machine. The username and passwords are passed over the network...
    Rule High Severity
    Show

  • SRG-OS-000373-GPOS-00156

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX log files must be owned by a system account.

    &lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...
    Rule Medium Severity
    Show

  • SRG-OS-000206-GPOS-00084

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX log files must be owned by a system group.

    &lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...
    Rule Medium Severity
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX system files, programs, and directories must be group-owned by a system group.

    &lt;VulnDiscussion&gt;Restricting permissions will protect the files from unauthorized modification.&lt;/VulnDiscussion&gt;&lt;FalsePositives&gt;&l...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • The inetd.conf file on AIX must be owned by root.

    &lt;VulnDiscussion&gt;Failure to give ownership of sensitive files or utilities to system groups may provide unauthorized users with the potential ...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX cron and crontab directories must be owned by root or bin.

    &lt;VulnDiscussion&gt;Incorrect ownership of the cron or crontab directories could permit unauthorized users the ability to alter cron jobs and run...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX audio devices must be group-owned by root, sys, bin, or system.

    &lt;VulnDiscussion&gt;Without privileged group owners, audio devices will be vulnerable to being used as eaves-dropping devices by malicious users ...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX time synchronization configuration file must be owned by root.

    &lt;VulnDiscussion&gt;A synchronized system clock is critical for the enforcement of time-based policies and the correlation of logs and audit reco...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX time synchronization configuration file must be group-owned by bin, or system.

    &lt;VulnDiscussion&gt;A synchronized system clock is critical for the enforcement of time-based policies and the correlation of logs and audit reco...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • The AIX /etc/group file must be owned by root.

    &lt;VulnDiscussion&gt;The "/etc/group" file contains information regarding groups that are configured on the system. Protection of this file is imp...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • The AIX /etc/group file must be group-owned by security.

    &lt;VulnDiscussion&gt;The "/etc/group" file contains information regarding groups that are configured on the system. Protection of this file is imp...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00230

    <GroupDescription></GroupDescription>
    Group
    Show

  • All AIX interactive users home directories must be owned by their respective users.

    &lt;VulnDiscussion&gt;System binaries are executed by privileged users as well as system services, and restrictive permissions are necessary to ens...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00230

    <GroupDescription></GroupDescription>
    Group
    Show

  • All AIX interactive users home directories must be group-owned by the home directory owner primary group.

    &lt;VulnDiscussion&gt;If the Group Identifier (GID) of the home directory is not the same as the GID of the user, this would allow unauthorized acc...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00230

    <GroupDescription></GroupDescription>
    Group
    Show

  • All files and directories contained in users home directories on AIX must be group-owned by a group in which the home directory owner is a member.

    &lt;VulnDiscussion&gt;If the Group Identifier (GID) of the home directory is not the same as the GID of the user, this would allow unauthorized acc...
    Rule Medium Severity
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX time synchronization configuration file must have mode 0640 or less permissive.

    &lt;VulnDiscussion&gt;A synchronized system clock is critical for the enforcement of time-based policies and the correlation of logs and audit reco...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • The AIX /etc/group file must have mode 0644 or less permissive.

    &lt;VulnDiscussion&gt;The "/etc/group" file contains information regarding groups that are configured on the system. Protection of this file is imp...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX must encrypt user data at rest using AIX Encrypted File System (EFS) if it is required.

    &lt;VulnDiscussion&gt;The AIX Encrypted File System (EFS) is a J2 filesystem-level encryption through individual key stores. This allows for file e...
    Rule Medium Severity
    Show

  • SRG-OS-000423-GPOS-00187

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX must protect the confidentiality and integrity of transmitted information during preparation for transmission and maintain the confidentiality and integrity of information during reception and disable all non-encryption network access methods.

    &lt;VulnDiscussion&gt;Without protection of the transmitted or received information, confidentiality and integrity may be compromised because unpro...
    Rule Medium Severity
    Show

  • SRG-OS-000032-GPOS-00013

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX must monitor and record successful remote logins.

    &lt;VulnDiscussion&gt;Remote access services, such as those providing remote access to network devices and information systems, which lack automate...
    Rule Medium Severity
    Show

  • SRG-OS-000032-GPOS-00013

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX must monitor and record unsuccessful remote logins.

    &lt;VulnDiscussion&gt;Remote access services, such as those providing remote access to network devices and information systems, which lack automate...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • On AIX, the SSH server must not permit root logins using remote access programs.

    &lt;VulnDiscussion&gt;Permitting direct root login reduces auditable information about who ran privileged commands on the system and also allows di...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • All AIX shells referenced in passwd file must be listed in /etc/shells file, except any shells specified for the purpose of preventing logins.

    &lt;VulnDiscussion&gt;The /etc/shells file lists approved default shells. It helps provide layered defense to the security approach by ensuring use...
    Rule Medium Severity
    Show

  • SRG-OS-000033-GPOS-00014

    <GroupDescription></GroupDescription>
    Group
    Show

  • The AIX SSH server must use SSH Protocol 2.

    &lt;VulnDiscussion&gt;Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...
    Rule Medium Severity
    Show

  • SRG-OS-000279-GPOS-00109

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX must config the SSH idle timeout interval.

    &lt;VulnDiscussion&gt;Automatic session termination addresses the termination of user-initiated logical sessions in contrast to the termination of ...
    Rule Medium Severity
    Show

  • SRG-OS-000365-GPOS-00152

    <GroupDescription></GroupDescription>
    Group
    Show

  • AIX must disable Kerberos Authentication in ssh config file to enforce access restrictions.

    &lt;VulnDiscussion&gt;Without auditing the enforcement of access restrictions against changes to the application configuration, it will be difficul...
    Rule Medium Severity
    Show

  • SRG-OS-000373-GPOS-00158

    <GroupDescription></GroupDescription>
    Group
    Show

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