Skeleton files must not have extended ACLs.

From AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-38736r1_rule Skeleton files must not have extended ACLs.

Vulnerability discussion

If the skeleton files are not protected, unauthorized personnel could change user startup parameters and possibly jeopardize user files.

Check content

Check skeleton files for extended ACLs. Procedure: #aclget /etc/security/.profile #aclget /etc/security/mkuser.sys Check if extended permissions are disabled. If extended permissions are not disabled, this is a finding.

Fix text

Remove the extended ACL from the skeleton file(s) and disable extended permissions. #acledit /etc/security/.profile #acledit /etc/security/mkuser.sys

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