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If the system is using LDAP for authentication or account information, the LDAP TLS connection must require the server provide a certificate and this certificate has a valid trust path to a trusted CA.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22557 | GEN008020 | SV-38966r1_rule | DCNR-1 | Medium |
| Description |
|---|
| The NSS LDAP service provides user mappings which are a vital component of system security. Communication between an LDAP server and a host using LDAP for NSS require authentication. |
| STIG | Date |
|---|---|
| Draft AIX Security Technical Implementation Guide | 2011-08-17 |
Details
| Check Text ( C-37919r1_chk ) |
|---|
| Check if the system is using LDAP authentication. #grep LDAP /etc/security/user If no lines are returned, this vulnerability is not applicable. Verify SSL is enabled. #grep ^useSSL /etc/security/ldap/ldap.cfg If ‘yes’ is not the returned value, this is a finding. Verify a server certificate is required and verified by the LDAP configuration. #grep –I ‘^ldapsslkeyf’ /etc/security/ldap/ldap.cfg Make note of the key database file location. #gsk7cmd –cert –list CA –db Make note of the Key Label #gsk7cmd –cert –details –showOID –db THE IBM GSK Database should only have certificates for the client system and for the LDAP server. If more certificates are in the key database than the LDAP server and the client, this is a finding. |
| Fix Text (F-33175r1_fix) |
|---|
| Install a certificate signed by a DoD PKI or a DoD-approved external PKI . #gsk7cmd < or > ikeyman Remove un-needed CA certificates. #gsk7cmd < or > ikeyman |