The macOS system must be configured so that the su command requires smart card authentication.
An XCCDF Rule
Description
<VulnDiscussion>Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security baseline across DoD that reflects the most restrictive security posture consistent with operational requirements. Configuration settings are the set of parameters that can be changed in hardware, software, or firmware components of the system that affect the security posture and/or functionality of the system. Security-related parameters are those parameters impacting the security state of the system, including the parameters required to satisfy other security control requirements. Security-related parameters include, for example: registry settings; account, file, directory permission settings; and settings for functions, ports, protocols, services, and remote connections.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-252529r816487_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Make a backup of the PAM SU settings using the following command:
cp /etc/pam.d/su /etc/pam.d/su_backup_`date "+%Y-%m-%d_%H:%M"`
Replace the contents of "/etc/pam.d/su" with the following:
# su: auth account password session