If the system is using LDAP for authentication or account information, the LDAP TLS key file must not have an extended ACL.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22574	GEN008360	SV-63213r1_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	2020-02-25

Details

Check Text ( C-51937r2_chk )
Determine the key file. # grep -i '^tls_key' /etc/ldap.conf Check the permissions. # ls -lL If the permissions of the file contains a '+', an extended ACL is present. If the file has an extended ACL and it has not been documented with the IAO, this is a finding.

Fix Text (F-53791r2_fix)
Remove the extended ACL from the key file. Procedure: For each key file found remove all extended permissions. # setfacl --remove-all