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RHEL-10-701220 RHEL 10 must enable certificate-based smart card authentication.

DISA STIG library V1R3
All changes in this version
first version loaded CAT II

Maps to IA-2(1), IA-2(2), IA-2(6) via CCI-004046, CCI-000765, CCI-000766

Title

RHEL 10 must enable certificate-based smart card authentication.

Control

Note: If the system administrator demonstrates the use of an approved alternate multifactor authentication method, this requirement is not applicable. Verify RHEL 10 enables smart cards in the System Security Services Daemon (SSSD) with the following command: $ sudo grep -ir pam_cert_auth /etc/sssd/sssd.conf /etc/sssd/conf.d/ /etc/sssd/conf.d/sssd.conf:pam_cert_auth = True If "pam_cert_auth" is not set to "True", the line is commented out, or the line is missing, this is a finding.

Discussion

Without the use of multifactor authentication, the ease of access to privileged functions is greatly increased. Multifactor authentication requires using two or more factors to achieve authentication. A privileged account is defined as an information system account with authorizations of a privileged user. The DoW Common Access Card (CAC) with DoW-approved public key infrastructure (PKI) is an example of multifactor authentication. Satisfies: SRG-OS-000375-GPOS-00160, SRG-OS-000105-GPOS-00052, SRG-OS-000106-GPOS-00053, SRG-OS-000107-GPOS-00054, SRG-OS-000108-GPOS-00055

Related controls

CCI-000765, CCI-000766, CCI-004046

Fix

Configure RHEL 10 to enable certificate-based smart card authentication. Edit the file "/etc/sssd/sssd.conf" or a configuration file in "/etc/sssd/conf.d" and add or edit the following line: pam_cert_auth = True