The /etc/securetty file must be group-owned by root, sys, or bin.

From Oracle Linux 5 Security Technical Implementation Guide

Associated with: CCI-000225

SV-63013r1_rule The /etc/securetty file must be group-owned by root, sys, or bin.

Vulnerability discussion

The securetty file contains the list of terminals permitting direct root logins. It must be protected from unauthorized modification.

Check content

Check /etc/securetty group ownership: # ls -lL /etc/securetty If /etc/securetty is not group owned by root, sys, or bin, then this is a finding.

Fix text

Change the group-owner of /etc/securetty to root, sys, or bin. Example: # chgrp root /etc/securetty

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