The hosts.lpd (or equivalent) file must be group-owned by lp.

From Oracle Linux 5 Security Technical Implementation Guide

Associated with: CCI-000225

SV-64117r2_rule The hosts.lpd (or equivalent) file must be group-owned by lp.

Vulnerability discussion

Failure to give group-ownership of the hosts.lpd file to root, bin, sys, or system provides the members of the owning group and possible unauthorized users, with the potential to modify the hosts.lpd file. Unauthorized modifications could disrupt access to local printers from authorized remote hosts or permit unauthorized remote access to local printers.

Check content

Check the group ownership of the /etc/cups/printers.conf file. Procedure: # ls -lL /etc/cups/printers.conf If the file is not group-owned by lp, this is a finding.

Fix text

Change the group-owner of the printers.conf file. Procedure: # chgrp lp /etc/cups/printers.conf

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