If the system is using LDAP for authentication or account information, the LDAP TLS certificate file must be group-owned by root, bin, sys, or system.

From Oracle Linux 5 Security Technical Implementation Guide

Associated with: CCI-000225

SV-63253r1_rule If the system is using LDAP for authentication or account information, the LDAP TLS certificate file must be group-owned by root, bin, sys, or system.

Vulnerability discussion

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.

Check content

Determine the certificate file. Procedure: # grep -i '^tls_cert' /etc/ldap.conf Check the group ownership. Procedure: # ls -lL If the group owner of the file is not root, bin, sys, or system, this is a finding.

Fix text

Change the group ownership of the file. Procedure: # chgrp root

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