If the system is using LDAP for authentication or account information, the system must use a TLS connection using FIPS 140-2 approved cryptographic algorithms.

From SOLARIS 10 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE

Associated with IA controls: DCNR-1

Associated with: CCI-001453

SV-41038r1_rule If the system is using LDAP for authentication or account information, the system must use a TLS connection using FIPS 140-2 approved cryptographic algorithms.

Vulnerability discussion

LDAP can be used to provide user authentication and account information, which are vital to system security. Communication between an LDAP server and a host using LDAP requires protection.

Check content

Check if the system is using NSS LDAP. # grep -v '^#' /etc/nsswitch.conf | grep ldap If no lines are returned, this vulnerability is not applicable. Verify TLS is used for client authentications to the server # grep "NS_LDAP_AUTH=" /var/ldap/ldap_client_file If any of the authentication methods used do not begin with "tls:", this is a finding. Retrieve the list of LDAP servers. # grep "NS_LDAP_SERVERS=" /var/ldap/client_file Use the certutil to verify the cipher(s) used for every server. # certutil -L -n < host nickname > -d /var/ldap If any of the TLS connections do not use FIPS 140-2 approved cryptographic algorithms, this is a finding.

Fix text

Configure all LDAP authentications and connections to be encrypted using TLS and FIPS 140-2 approved cryptographic algorithms.

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