Remote consoles must be disabled or protected from unauthorized access.

From Oracle Linux 5 Security Technical Implementation Guide

Part of GEN001000

Associated with: CCI-000070

SV-64393r1_rule Remote consoles must be disabled or protected from unauthorized access.

Vulnerability discussion

The remote console feature provides an additional means of access to the system which could allow unauthorized access if not disabled or properly secured. With virtualization technologies, remote console access is essential as there is no physical console for virtual machines. Remote console access must be protected in the same manner as any other remote privileged access method.

Check content

Check /etc/securetty # more /etc/securetty If the file does not exist, or contains more than "console" or a single "tty" device this is a finding.

Fix text

Create if needed and set the contents of /etc/securetty to a "console" or "tty" device. # echo console > /etc/securetty or # echo tty1 > /etc/securetty

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