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rhel10: use new rule for auditing of changes to selinux configuration #12826
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jan-cerny
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Jan 20, 2025
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44 changes: 44 additions & 0 deletions
44
...s/guide/auditing/auditd_configure_rules/audit_rules_mac_modification_etc_selinux/rule.yml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| documentation_complete: true | ||
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| title: 'Record Events that Modify the System''s Mandatory Access Controls (/etc/selinux)' | ||
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| description: |- | ||
| If the <tt>auditd</tt> daemon is configured to use the | ||
| <tt>augenrules</tt> program to read audit rules during daemon startup (the | ||
| default), add the following line to a file with suffix <tt>.rules</tt> in the | ||
| directory <tt>/etc/audit/rules.d</tt>: | ||
| <pre>-w /etc/selinux/ -p wa -k MAC-policy</pre> | ||
| If the <tt>auditd</tt> daemon is configured to use the <tt>auditctl</tt> | ||
| utility to read audit rules during daemon startup, add the following line to | ||
| <tt>/etc/audit/audit.rules</tt> file: | ||
| <pre>-w /etc/selinux/ -p wa -k MAC-policy</pre> | ||
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| rationale: |- | ||
| The system's mandatory access policy (SELinux) should not be | ||
| arbitrarily changed by anything other than administrator action. All changes to | ||
| MAC policy should be audited. | ||
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| severity: medium | ||
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| identifiers: | ||
| cce@rhel10: CCE-90737-8 | ||
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| references: | ||
| hipaa: 164.308(a)(1)(ii)(D),164.308(a)(3)(ii)(A),164.308(a)(5)(ii)(C),164.312(a)(2)(i),164.312(b),164.312(d),164.312(e) | ||
| pcidss: Req-10.5.5 | ||
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| ocil_clause: 'the system is not configured to audit attempts to change files within the /etc/selinux directory' | ||
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| ocil: |- | ||
| To determine if the system is configured to audit changes to its SELinux | ||
| configuration files, run the following command: | ||
| <pre>$ sudo auditctl -l | grep "dir=/etc/selinux"</pre> | ||
| If the system is configured to watch for changes to its SELinux | ||
| configuration, a line should be returned (including | ||
| <tt>perm=wa</tt> indicating permissions that are watched). | ||
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| template: | ||
| name: audit_rules_watch | ||
| vars: | ||
| path: /etc/selinux |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -2576,4 +2576,3 @@ CCE-90727-9 | |
| CCE-90728-7 | ||
| CCE-90732-9 | ||
| CCE-90735-2 | ||
| CCE-90737-8 | ||
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The rule audit_rules_mac_modification is a part of multiple controls in this HIPAA control file. If you want to make sure this rule isn't present in the RHEL 10 data stream you need to take care of all occurrences of it in this control file.