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-37968r1_rule	ECLP-1	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
Red Hat Enterprise Linux 5 Security Technical Implementation Guide	2017-03-01

Details

Check Text ( C-37266r1_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-32502r1_fix)
Remove the extended ACL from the certificate file. Procedure: For each certificate file found remove all extended permissions. # setfacl --remove-all