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II - Mission Support Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000073-GPOS-00041

    <GroupDescription></GroupDescription>
    Group
  • The AIX system must have no .netrc files on the system.

    &lt;VulnDiscussion&gt;Unencrypted passwords for remote FTP servers may be stored in .netrc files. Policy requires passwords be encrypted in storage...
    Rule High Severity
  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
  • AIX must turn on enhanced Role-Based Access Control (RBAC) to isolate security functions from nonsecurity functions, to grant system privileges to other operating system admins, and prohibit user installation of system software without explicit privileged status.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule Medium Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • If DHCP server is not required on AIX, the DHCP server must be disabled.

    &lt;VulnDiscussion&gt;The dhcpsd daemon is the DHCP server that serves addresses and configuration information to DHCP clients in the network. To ...
    Rule Medium Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • The rwalld daemon must be disabled on AIX.

    &lt;VulnDiscussion&gt;The rwalld service allows remote users to broadcast system wide messages. The service runs as root and should be disabled unl...
    Rule Medium Severity
  • SRG-OS-000269-GPOS-00103

    <GroupDescription></GroupDescription>
    Group
  • In the event of a system failure, AIX must preserve any information necessary to determine cause of failure and any information necessary to return to operations with least disruption to mission processes.

    &lt;VulnDiscussion&gt;Failure to a known state can address safety or security in accordance with the mission/business needs of the organization. Fa...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The /etc/shells file must exist on AIX systems.

    &lt;VulnDiscussion&gt;The shells file (or equivalent) lists approved default shells. It helps provide layered defense to the security approach by e...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • AIX public directories must be the only world-writable directories and world-writable files must be located only in public directories.

    &lt;VulnDiscussion&gt;World-writable files and directories make it easy for a malicious user to place potentially compromising files on the system....
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • AIX must be configured to only boot from the system boot device.

    &lt;VulnDiscussion&gt;The ability to boot from removable media is the same as being able to boot into single user or maintenance mode without a pas...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • AIX must not use removable media as the boot loader.

    &lt;VulnDiscussion&gt;Malicious users with removable boot media can gain access to a system configured to use removable media as the boot loader.&l...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • If the AIX host is running an SMTP service, the SMTP greeting must not provide version information.

    &lt;VulnDiscussion&gt;The version of the SMTP service can be used by attackers to plan an attack based on vulnerabilities present in the specific v...
    Rule Low Severity

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