The (1) backup and restore scripts, (2) main initialization script, and (3) ldap-agent script in 389 Directory Server 1.2.x (aka Red Hat Directory Server 8.2.x) place a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse shared library in the current working directory.
https://exchange.xforce.ibmcloud.com/vulnerabilities/65637
https://bugzilla.redhat.com/show_bug.cgi?id=672468
http://www.securitytracker.com/id?1025102