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If the system is using LDAP for authentication or account information, the LDAP TLS certificate file must not have an extended ACL.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22570 | GEN008280 | SV-63245r1_rule | Medium |
| Description |
|---|
| LDAP can be used to provide user authentication and account information, which are vital to system security. The LDAP client configuration must be protected from unauthorized modification. |
| STIG | Date |
|---|---|
| Oracle Linux 5 Security Technical Implementation Guide | 2017-03-01 |
Details
| Check Text ( C-51957r2_chk ) |
|---|
| Determine the certificate file. # grep -i '^tls_cert' /etc/ldap.conf Check the permissions. # ls -lL If the mode of the file contains a '+', an extended ACL is present. This is a finding. |
| Fix Text (F-53819r2_fix) |
|---|
| Remove the extended ACL from the certificate file. Procedure: For each certificate file found remove all extended permissions. # setfacl --remove-all |