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Check: GEN001830

IRIX 6.5: GEN001830 (in versions v1 r1 through v1 r0.6)

Title

All skeleton files (typically in /etc/skel) must be group-owned by root, bin, or sys. (Cat II impact)

Discussion

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

Check Content

Verify the skeleton files are group-owned by root, bin, or sys. Procedure: # find /etc/skel -name * ! -group root -a ! -group bin -a ! -group sys -exec ls -alL {} \; 2>/dev/null If a skeleton file is not group-owned by root, bin, or sys, this is a finding.

Fix Text

Change the group owner of the skeleton file to root. Procedure: # chgrp <group> /etc/skel/[skeleton file]

Additional Identifiers

Rule ID:

Vulnerability ID: V-22358

Group Title:

Expert Comments

Expert comments are only available to logged-in users.

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