The /etc/group file must not have an extended ACL.

From AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-38726r1_rule The /etc/group file must not have an extended ACL.

Vulnerability discussion

The /etc/group file is critical to system security and must be protected from unauthorized modification. The group file contains a list of system groups and associated information.

Check content

Verify the /etc/group file has no extended ACL. Procedure: #aclget /etc/group Check if extended permissions are disabled. If extended permissions are not disabled, this is a finding.

Fix text

Remove the extended ACL from the /etc/group file and disable extended permissions. #acledit /etc/group

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