II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000123-GPOS-00064
<GroupDescription></GroupDescription>Group -
The AIX system must automatically remove or disable emergency accounts after the crisis is resolved or 72 hours.
<VulnDiscussion>Emergency accounts are privileged accounts that are established in response to crisis situations where the need for rapid acc...Rule Medium Severity -
SRG-OS-000001-GPOS-00001
<GroupDescription></GroupDescription>Group -
The shipped /etc/security/mkuser.sys file on AIX must not be customized directly.
<VulnDiscussion>The "/etc/security/mkuser.sys" script customizes the new user account when a new user is created, or a user is logging into t...Rule Medium Severity -
SRG-OS-000001-GPOS-00001
<GroupDescription></GroupDescription>Group -
The regular users default primary group must be staff (or equivalent) on AIX.
<VulnDiscussion>The /usr/lib/security/mkuser.default file contains the default primary groups for regular and admin users. Setting a system g...Rule Medium Severity -
SRG-OS-000259-GPOS-00100
<GroupDescription></GroupDescription>Group -
All system files, programs, and directories must be owned by a system account.
<VulnDiscussion>Restricting permissions will protect the files from unauthorized modification.</VulnDiscussion><FalsePositives>&l...Rule Medium Severity -
SRG-OS-000259-GPOS-00100
<GroupDescription></GroupDescription>Group -
AIX device files and directories must only be writable by users with a system account or as configured by the vendor.
<VulnDiscussion>System device files in writable directories could be modified, removed, or used by an unprivileged user to control system har...Rule Medium Severity -
SRG-OS-000114-GPOS-00059
<GroupDescription></GroupDescription>Group -
AIX must configure the ttys value for all interactive users.
<VulnDiscussion>A user's "ttys" attribute controls from which device(s) the user can authenticate and log in. If the "ttys" attribute is not ...Rule Medium Severity -
SRG-OS-000028-GPOS-00009
<GroupDescription></GroupDescription>Group -
AIX must provide the lock command to let users retain their session lock until users are reauthenticated.
<VulnDiscussion>All systems are vulnerable if terminals are left logged in and unattended. Leaving system terminals unsecure poses a potentia...Rule Medium Severity -
SRG-OS-000028-GPOS-00009
<GroupDescription></GroupDescription>Group -
AIX must provide xlock command in the CDE environment to let users retain their sessions lock until users are reauthenticated.
<VulnDiscussion>All systems are vulnerable if terminals are left logged in and unattended. Leaving system terminals unsecure poses a potentia...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
AIX system must prevent the root account from directly logging in except from the system console.
<VulnDiscussion>Limiting the root account direct logins to only system consoles protects the root account from direct unauthorized access fro...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
All AIX public directories must be owned by root or an application account.
<VulnDiscussion>If a public directory has the sticky bit set and is not owned by a privileged UID, unauthorized users may be able to modify f...Rule Medium Severity
Node 2
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