The Photon operating system must configure Secure Shell (SSH) to disallow authentication with an empty password.
An XCCDF Rule
Description
<VulnDiscussion>Blank passwords are one of the first things an attacker checks for when probing a system. Even if the user somehow has a blank password on the OS, SSH must not allow that user to log in.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-258870r991591_rule
- Severity
- High
- References
- Updated
Remediation - Manual Procedure
Navigate to and open:
/etc/ssh/sshd_config
Ensure the "PermitEmptyPasswords" line is uncommented and set to the following: