RHEL 8 operating systems must require authentication upon booting into rescue mode.
An XCCDF Rule
Description
<VulnDiscussion>If the system does not require valid root authentication before it boots into emergency or rescue mode, anyone who invokes emergency or rescue mode is granted privileged access to all files on the system.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-230236r1017055_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Configure the system to require authentication upon booting into rescue mode by adding the following line to the "/usr/lib/systemd/system/rescue.service" file.
ExecStart=-/usr/lib/systemd/systemd-sulogin-shell rescue