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Check: GEN001830

AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE: GEN001830 (in versions v1 r14 through v1 r10)

Title

All skeleton files (typically in /etc/skel) must be group-owned by security. (Cat II impact)

Discussion

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

Check Content

Verify the skeleton files are group-owned by security. Procedure: # ls -alL /etc/security/.profile /etc/security/mkuser.sys If a skeleton file is not group-owned by security, this is a finding.

Fix Text

Change the group owner of the skeleton file to security. Procedure: # chgrp security /etc/security/.profile /etc/security/mkuser.sys

Additional Identifiers

Rule ID: SV-38738r1_rule

Vulnerability ID: V-22358

Group Title: GEN001830

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000225	Employ the principle of least privilege, allowing only authorized accesses for users (or processes acting on behalf of users) which are necessary to accomplish assigned organizational tasks.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
AC-6	Least Privilege