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The system must require authentication upon booting into single-user and maintenance modes.


Overview

Finding ID Version Rule ID IA Controls Severity
V-756 GEN000020 SV-63087r1_rule IAIA-1 IAIA-2 Medium
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.
STIG Date
Oracle Linux 5 Security Technical Implementation Guide 2015-03-26

Details

Check Text ( C-51841r1_chk )
Check if the system requires a password for entering single-user mode.
# grep ':S:' /etc/inittab
If /sbin/sulogin is not listed, this is a finding.
Fix Text (F-53673r1_fix)
Edit /etc/inittab and set sulogin to run in single-user mode.
Example line in /etc/inittab:
~:S:wait:/sbin/sulogin