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If the system is using LDAP for authentication or account information, the LDAP TLS certificate authority file and/or directory (as appropriate) must not have an extended ACL.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22566 GEN008200 SV-37964r1_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 2013-04-10

Details

Check Text ( C-37262r1_chk )
Determine the certificate authority file and/or directory.
# grep -i '^tls_cacert' /etc/ldap.conf
For each file or directory returned, check the permissions.
# ls -lLd
If the mode of the file or directory 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-32461r1_fix)
Remove the extended ACL from the certificate file.

Procedure:
For each certificate file found remove all extended permissions

# setfacl --remove-all