The /etc/security/audit_user file must not have an extended ACL.

From SOLARIS 10 X86 SECURITY TECHNICAL IMPLEMENTATION GUIDE

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-27004r1_rule The /etc/security/audit_user file must not have an extended ACL.

Vulnerability discussion

Audit_user is a sensitive file that, if compromised, would allow a malicious user to select auditing parameters to ignore their sessions. This would allow malicious operations the auditing subsystem would not detect for that user. It could also result in long-term system compromise possibly leading to the compromise of other systems and networks.

Check content

Check the permissions of the file. # ls -lL /etc/security/audit_user If the permissions of the file contain a "+", an extended ACL is present, this is a finding.

Fix text

Remove the extended ACL from the file. # chmod A- /etc/security/audit_user

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