If the system is using LDAP for authentication or account information, certificates used to authenticate to the LDAP server must be provided from DoD PKI or a DoD-approved external PKI.

From AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE

Part of GEN008000

Associated with IA controls: DCNR-1

Associated with: CCI-000185

SV-38830r1_rule If the system is using LDAP for authentication or account information, certificates used to authenticate to the LDAP server must be provided from DoD PKI or a DoD-approved external PKI.

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 authentication.

Check content

Check if the system is using LDAP authentication. #grep LDAP /etc/security/user If no lines are returned, this vulnerability is not applicable. Check if the useSSL option is enabled. #grep '^useSSL' /etc/security/ldap/ldap.cfg If yes is not the returned value, this is a finding. Verify a certificate is used for client authentication to the server. #grep -I '^ldapsslkeyf' /etc/security/ldap/ldap.cfg If no line is found, this is a finding. List the certificate issuer with IBM GSK. #gsk7cmd -cert -list CA -db -pw Make note of the client Key Label. #gsk7cmd -cert -details -showOID -db -pw -label If the certificate is not issued by DoD PKI or a DoD-approved external PKI, this is a finding.

Fix text

Create a key database with DoD PKI or DoD-approved certificate. #gsk7cmd OR #ikeyman Edit /etc/security/ldap/ldap.conf and add or edit the ldapsslkeyf setting to reference a file containing a client certificate issued by DoD PKI or a DoD-approved external PKI.

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