The Red Hat Enterprise Linux operating system must require authentication upon booting into single-user and maintenance modes.
An XCCDF Rule
Description
If the system does not require valid root authentication before it boots into single-user or maintenance mode, anyone who invokes single-user or maintenance mode is granted privileged access to all files on the system.
- ID
- SV-204437r603261_rule
- Version
- RHEL-07-010481
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Configure the operating system to require authentication upon booting into single-user and maintenance modes.
Add or modify the "ExecStart" line in "/usr/lib/systemd/system/rescue.service" to include "/usr/sbin/sulogin":
ExecStart=-/bin/sh -c "/usr/sbin/sulogin; /usr/bin/systemctl --fail --no-block default"