III - Administrative Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000062-GPOS-00031
<GroupDescription></GroupDescription>Group -
RHEL 9 audit service must be enabled.
<VulnDiscussion>Without establishing what type of events occurred, it would be difficult to establish, correlate, and investigate the events ...Rule Medium Severity -
SRG-OS-000047-GPOS-00023
<GroupDescription></GroupDescription>Group -
RHEL 9 audit system must take appropriate action when an error writing to the audit storage volume occurs.
<VulnDiscussion>It is critical that when the operating system is at risk of failing to process audit logs as required, it takes action to mit...Rule Medium Severity -
SRG-OS-000047-GPOS-00023
<GroupDescription></GroupDescription>Group -
RHEL 9 audit system must take appropriate action when the audit storage volume is full.
<VulnDiscussion>It is critical that when the operating system is at risk of failing to process audit logs as required, it takes action to mit...Rule Medium Severity -
SRG-OS-000341-GPOS-00132
<GroupDescription></GroupDescription>Group -
RHEL 9 must allocate audit record storage capacity to store at least one week's worth of audit records.
<VulnDiscussion>To ensure RHEL 9 systems have a sufficient storage capacity in which to write the audit logs, RHEL 9 needs to be able to allo...Rule Medium Severity -
SRG-OS-000343-GPOS-00134
<GroupDescription></GroupDescription>Group -
RHEL 9 must take action when allocated audit record storage volume reaches 75 percent of the repository maximum audit record storage capacity.
<VulnDiscussion>If security personnel are not notified immediately when storage volume reaches 75 percent utilization, they are unable to pla...Rule Medium Severity -
SRG-OS-000343-GPOS-00134
<GroupDescription></GroupDescription>Group -
RHEL 9 must notify the system administrator (SA) and information system security officer (ISSO) (at a minimum) when allocated audit record storage volume 75 percent utilization.
<VulnDiscussion>If security personnel are not notified immediately when storage volume reaches 75 percent utilization, they are unable to pla...Rule Medium Severity -
SRG-OS-000343-GPOS-00134
<GroupDescription></GroupDescription>Group -
RHEL 9 must take action when allocated audit record storage volume reaches 95 percent of the audit record storage capacity.
<VulnDiscussion>If action is not taken when storage volume reaches 95 percent utilization, the auditing system may fail when the storage volu...Rule Medium Severity -
SRG-OS-000343-GPOS-00134
<GroupDescription></GroupDescription>Group -
RHEL 9 must take action when allocated audit record storage volume reaches 95 percent of the repository maximum audit record storage capacity.
<VulnDiscussion>If action is not taken when storage volume reaches 95 percent utilization, the auditing system may fail when the storage volu...Rule Medium Severity -
SRG-OS-000047-GPOS-00023
<GroupDescription></GroupDescription>Group -
RHEL 9 audit system must take appropriate action when the audit files have reached maximum size.
<VulnDiscussion>It is critical that when the operating system is at risk of failing to process audit logs as required, it takes action to mit...Rule Medium Severity -
SRG-OS-000039-GPOS-00017
<GroupDescription></GroupDescription>Group -
RHEL 9 must label all offloaded audit logs before sending them to the central log server.
<VulnDiscussion>Enriched logging is needed to determine who, what, and when events occur on a system. Without this, determining root cause of...Rule Medium Severity -
SRG-OS-000342-GPOS-00133
<GroupDescription></GroupDescription>Group -
RHEL 9 must take appropriate action when the internal event queue is full.
<VulnDiscussion>The audit system should have an action setup in the event the internal event queue becomes full so that no data is lost. Inf...Rule Medium Severity -
SRG-OS-000046-GPOS-00022
<GroupDescription></GroupDescription>Group -
RHEL 9 System Administrator (SA) and/or information system security officer (ISSO) (at a minimum) must be alerted of an audit processing failure event.
<VulnDiscussion>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-000062-GPOS-00031
<GroupDescription></GroupDescription>Group -
RHEL 9 audit system must audit local events.
<VulnDiscussion>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-000057-GPOS-00027
<GroupDescription></GroupDescription>Group -
RHEL 9 audit logs must be group-owned by root or by a restricted logging group to prevent unauthorized read access.
<VulnDiscussion>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 9 audit log directory must be owned by root to prevent unauthorized read access.
<VulnDiscussion>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 9 audit logs file must have mode 0600 or less permissive to prevent unauthorized access to the audit log.
<VulnDiscussion>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-000051-GPOS-00024
<GroupDescription></GroupDescription>Group -
RHEL 9 must periodically flush audit records to disk to prevent the loss of audit records.
<VulnDiscussion>If option "freq" is not set to a value that requires audit records being written to disk after a threshold number is reached,...Rule Medium Severity -
SRG-OS-000255-GPOS-00096
<GroupDescription></GroupDescription>Group -
RHEL 9 must produce audit records containing information to establish the identity of any individual or process associated with the event.
<VulnDiscussion>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 9 must write audit records to disk.
<VulnDiscussion>Audit data should be synchronously written to disk to ensure log integrity. This setting assures that all audit event data is...Rule Medium Severity -
SRG-OS-000063-GPOS-00032
<GroupDescription></GroupDescription>Group -
RHEL 9 must allow only the information system security manager (ISSM) (or individuals or roles appointed by the ISSM) to select which auditable events are to be audited.
<VulnDiscussion>Without the capability to restrict the roles and individuals that can select which events are audited, unauthorized personnel...Rule Medium Severity -
SRG-OS-000063-GPOS-00032
<GroupDescription></GroupDescription>Group -
RHEL 9 /etc/audit/auditd.conf file must have 0640 or less permissive to prevent unauthorized access.
<VulnDiscussion>Without the capability to restrict the roles and individuals that can select which events are audited, unauthorized personnel...Rule Medium Severity -
SRG-OS-000254-GPOS-00095
<GroupDescription></GroupDescription>Group -
RHEL 9 must allocate an audit_backlog_limit of sufficient size to capture processes that start prior to the audit daemon.
<VulnDiscussion>Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events r...Rule Low Severity -
SRG-OS-000046-GPOS-00022
<GroupDescription></GroupDescription>Group -
RHEL 9 must have mail aliases to notify the information system security officer (ISSO) and system administrator (SA) (at a minimum) in the event of an audit processing failure.
<VulnDiscussion>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-000342-GPOS-00133
<GroupDescription></GroupDescription>Group -
RHEL 9 audispd-plugins package must be installed.
<VulnDiscussion>"audispd-plugins" provides plugins for the real-time interface to the audit subsystem, "audispd". These plugins can do things...Rule Medium Severity -
SRG-OS-000326-GPOS-00126
<GroupDescription></GroupDescription>Group -
RHEL 9 must audit uses of the "execve" system call.
<VulnDiscussion>Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external enti...Rule Medium Severity
Node 2
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