System audit logs must be group-owned by root, bin, sys, or system.

From Oracle Linux 5 Security Technical Implementation Guide

SV-63873r1_rule System audit logs must be group-owned by root, bin, sys, or system.

Vulnerability discussion

Sensitive system and user information could provide a malicious user with enough information to penetrate further into the system.

Check content

Check the group ownership of the audit logs. Procedure: # grep "^log_file" /etc/audit/auditd.conf|sed s/^[^\/]*//|xargs stat -c %G:%n If any audit log file is not group-owned by root, bin, sys, or system, this is a finding.

Fix text

Change the group ownership of the audit log file(s). Procedure: # chgrp root

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