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Check: GEN006120

AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE: GEN006120 (in versions v1 r14 through v1 r10)

Title

The /usr/lib/smb.conf file must be group-owned by bin, sys, or system. (Cat II impact)

Discussion

If the group-owner of the smb.conf file is not root or a system group, the file may be maliciously modified and the Samba configuration could be compromised.

Check Content

Check the group ownership of the smb.conf file. Procedure: # ls -l /usr/lib/smb.conf If an smb.conf file is not group-owned by bin, sys, or system, this is a finding.

Fix Text

Change the group owner of the smb.conf file. Procedure: # chgrp system /usr/lib/smb.conf

Additional Identifiers

Rule ID: SV-39231r1_rule

Vulnerability ID: V-1056

Group Title: GEN006120

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000225	The organization employs the concept of least privilege, allowing only authorized accesses for users (and processes acting on behalf of users) which are necessary to accomplish assigned tasks in accordance with organizational missions and business functions.

Controls

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

Number	Title
AC-6	Least Privilege