Modify rule file_groupowner_system_journal

Modified rule `file_groupowner_system_journal` to comply
with UBTU-22-232095 (systemd-journal must be group-owner
of files in /var/log/journal/...)

linux_os/guide/system/logging/journald/file_groupowner_system_journal/rule.yml

@@ -3,18 +3,50 @@ documentation_complete: true
 
 title: 'Verify Group Who Owns the system journal'
 
-description: '{{{ describe_file_group_owner(file="/var/log/journal/.*/system.journal", group="systemd-journal") }}}'
+description: |-
+    {{%- if 'ubuntu' in product %}}
+    Verify the /run/log/journal and /var/log/journal files are group-owned by
+    "systemd-journal" by using the following command:
+    <pre>
+    $ sudo find /run/log/journal /var/log/journal  -type f -exec stat -c "%n %G" {} \;
+    </pre>
+    If any output returned is not group-owned by "systemd-journal", this is a finding.
+    {{%- else %}}
+    '{{{ describe_file_group_owner(file="/var/log/journal/.*/system.journal", group="systemd-journal") }}}'
+    {{%- endif %}}
 
 rationale: |-
-  RHCOS must protect system journal file from any type of unauthorized access by setting file group ownership. 
+    {{%- if 'ubuntu' in product %}}
+    Only authorized personnel should be aware of errors and the details of the errors.
+    Error messages are an indicator of an organization's operational state or can
+    identify the operating system or platform. Additionally, personally identifiable
+    information (PII) and operational information must not be revealed through error
+    messages to unauthorized personnel or their designated representatives.
+    {{%- else %}}
+    RHCOS must protect system journal file from any type of unauthorized access by setting file group ownership.
+
+    {{%- endif %}}
 
 identifiers:
-  cce@rhcos4: CCE-86221-9
+    cce@rhcos4: CCE-86221-9
 
 severity: medium
 
+fixtext: |
+    {{%- if 'ubuntu' in product %}}
+    Configure the system to set the appropriate group-ownership to the files
+    used by the systemd journal:
+    Add or modify the following lines in the "/etc/tmpfiles.d/systemd.conf" file:
+    <pre>
+    z /var/log/journal/%m/system.journal 0640 root systemd-journal - -
+    </pre>
+    Restart the system for the changes to take effect.
+    {{%- endif %}}
+
 references:
-  srg: SRG-APP-000118-CTR-000240
+    disa: CCI-001314
+    srg: SRG-APP-000118-CTR-000240
+    stigid@ubuntu2204: UBTU-22-232095
 
 ocil_clause: '{{{ ocil_clause_file_group_owner(file="/var/log/journal/.*/system.journal", group="systemd-journal") }}}'
 
@@ -24,6 +56,17 @@ ocil: |-
 template:
     name: file_groupowner
     vars:
+        {{%- if 'ubuntu' in product %}}
+        filepath:
+          - /run/log/journal/
+          - /var/log/journal/
+        recursive: 'true'
+        file_regex: ^.*$
+        gid_or_name: systemd-journal
+
+        {{%- else %}}
         filepath: ^/var/log/journal/.*/system.journal$
         gid_or_name: systemd-journal
         filepath_is_regex: "true"
+
+        {{%- endif %}}

products/ubuntu2204/profiles/stig.profile

@@ -652,9 +652,9 @@ selections:
     # Analogous to file_ownership_var_log_audit
     # UBTU-22-232090 The Ubuntu operating system must configure the files used by the system journal to be owned by "root"
 
-    ### TODO (rule needed)
-    # Analogous to file_group_ownership_var_log_audit
+    ### TODO (incomplete remediation - tmpfiles.d)
     # UBTU-22-232095 The Ubuntu operating system must configure the files used by the system journal to be group-owned by "systemd-journal"
+    - file_groupowner_system_journal
 
     ### TODO (rule needed)
     # Similar to file_ownership_var_log_audit