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II - Mission Support Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must not allow accounts configured with blank or null passwords.

    &lt;VulnDiscussion&gt;If an account has an empty password, anyone could log on and run commands with the privileges of that account. Accounts with ...
    Rule High Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must display the date and time of the last successful account logon upon logon.

    &lt;VulnDiscussion&gt;Providing users with feedback on when account accesses last occurred facilitates user recognition and reporting of unauthoriz...
    Rule Low Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must display the date and time of the last successful account logon upon an SSH logon.

    &lt;VulnDiscussion&gt;Providing users with feedback on when account accesses via SSH last occurred facilitates user recognition and reporting of un...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00228

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must define default permissions for all authenticated users in such a way that the user can only read and modify their own files.

    &lt;VulnDiscussion&gt;Setting the most restrictive default permissions ensures that when new accounts are created, they do not have unnecessary acc...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00228

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must set the umask value to 077 for all local interactive user accounts.

    &lt;VulnDiscussion&gt;The umask controls the default access mode assigned to newly created files. A umask of 077 limits new files to mode 600 or le...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must define default permissions for logon and non-logon shells.

    &lt;VulnDiscussion&gt;The umask controls the default access mode assigned to newly created files. A umask of 077 limits new files to mode 600 or le...
    Rule Medium Severity
  • SRG-OS-000326-GPOS-00126

    <GroupDescription></GroupDescription>
    Group
  • The RHEL 8 audit system must be configured to audit the execution of privileged functions and prevent all software from executing at higher privilege levels than users executing the software.

    &lt;VulnDiscussion&gt;Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external enti...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Cron logging must be implemented in RHEL 8.

    &lt;VulnDiscussion&gt;Cron logging can be used to trace the successful or unsuccessful execution of cron jobs. It can also be used to spot intrusio...
    Rule Medium Severity
  • SRG-OS-000046-GPOS-00022

    <GroupDescription></GroupDescription>
    Group
  • The RHEL 8 System Administrator (SA) and Information System Security Officer (ISSO) (at a minimum) must be alerted of an audit processing failure event.

    &lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....
    Rule Medium Severity
  • SRG-OS-000046-GPOS-00022

    <GroupDescription></GroupDescription>
    Group
  • The RHEL 8 Information System Security Officer (ISSO) and System Administrator (SA) (at a minimum) must have mail aliases to be notified of an audit processing failure.

    &lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....
    Rule Medium Severity
  • SRG-OS-000047-GPOS-00023

    <GroupDescription></GroupDescription>
    Group
  • The RHEL 8 System must take appropriate action when an audit processing failure occurs.

    &lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....
    Rule Medium Severity
  • SRG-OS-000047-GPOS-00023

    <GroupDescription></GroupDescription>
    Group
  • The RHEL 8 audit system must take appropriate action when the audit storage volume is full.

    &lt;VulnDiscussion&gt;It is critical that when RHEL 8 is at risk of failing to process audit logs as required, it takes action to mitigate the fail...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The RHEL 8 audit system must audit local events.

    &lt;VulnDiscussion&gt;Without establishing what type of events occurred, the source of events, where events occurred, and the outcome of events, it...
    Rule Medium Severity
  • SRG-OS-000342-GPOS-00133

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must label all off-loaded audit logs before sending them to the central log server.

    &lt;VulnDiscussion&gt;Without establishing what type of events occurred, the source of events, where events occurred, and the outcome of events, it...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must resolve audit information before writing to disk.

    &lt;VulnDiscussion&gt;Without establishing what type of events occurred, the source of events, where events occurred, and the outcome of events, it...
    Rule Low Severity
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 audit logs must have a mode of 0600 or less permissive to prevent unauthorized read access.

    &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
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 audit logs must be owned by root to prevent unauthorized read access.

    &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
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 audit logs must be group-owned by root to prevent unauthorized read access.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...
    Rule Medium Severity
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 audit log directory must be owned by root to prevent unauthorized read access.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...
    Rule Medium Severity
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 audit log directory must be group-owned by root to prevent unauthorized read access.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...
    Rule Medium Severity
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 audit log directory must have a mode of 0700 or less permissive to prevent unauthorized read access.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...
    Rule Medium Severity
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 audit system must protect auditing rules from unauthorized change.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...
    Rule Medium Severity
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 audit system must protect logon UIDs from unauthorized change.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...
    Rule Medium Severity
  • SRG-OS-000062-GPOS-00031

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/shadow.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
  • SRG-OS-000062-GPOS-00031

    <GroupDescription></GroupDescription>
    Group
  • RHEL 8 must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/security/opasswd.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity

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