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Modify rule file_owner_system_journal #11837

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merged 1 commit into from May 7, 2024
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Expand Up @@ -3,18 +3,49 @@ documentation_complete: true

title: 'Verify Owner on the system journal'

description: '{{{ describe_file_owner(file="/var/log/journal/.*/system.journal", owner="root") }}}'
description: |-
{{%- if 'ubuntu' in product %}}
Verify the /run/log/journal and /var/log/journal files are owned by
"root" by using the following command:
<pre>
$ sudo find /run/log/journal /var/log/journal -type f -exec stat -c "%n %U" {} \;
</pre>
If any output returned is not owned by "root", this is a finding.
{{%- else %}}
'{{{ describe_file_owner(file="/var/log/journal/.*/system.journal", owner="root") }}}'
{{%- endif %}}
rationale: |-
RHCOS must protect system journal file from any type of unauthorized access by setting file 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 ownership
{{%- endif %}}
identifiers:
cce@rhcos4: CCE-87682-1
cce@rhcos4: CCE-87682-1

severity: medium

fixtext: |
{{%- if 'ubuntu' in product %}}
Configure the system to set the appropriate 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-22-232090

ocil_clause: '{{{ ocil_clause_file_owner(file="/var/log/journal/.*/system.journal", owner="root") }}}'

Expand All @@ -24,6 +55,17 @@ ocil: |-
template:
name: file_owner
vars:
{{%- if 'ubuntu' in product %}}
filepath:
- /run/log/journal/
- /var/log/journal/
recursive: 'true'
file_regex: ^.*$
fileuid: '0'

{{%- else %}}
filepath: ^/var/log/journal/.*/system.journal$
fileuid: '0'
filepath_is_regex: "true"

{{%- endif %}}
4 changes: 2 additions & 2 deletions products/ubuntu2204/profiles/stig.profile
Expand Up @@ -645,9 +645,9 @@ selections:
- dir_groupowner_system_journal


### TODO (rule needed)
# Analogous to file_ownership_var_log_audit
### TODO (incomplete remediation - tmpfiles.d)
# UBTU-22-232090 The Ubuntu operating system must configure the files used by the system journal to be owned by "root"
- file_owner_system_journal

### TODO (rule needed)
# Analogous to file_group_ownership_var_log_audit
Expand Down