The DPA_Utilities.cProcessAuthenticationData function in EMC Data Protection Advisor (DPA) 5.5 through 5.8 SP1 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an AUTHENTICATECONNECTION command that (1) lacks a password field or (2) has an empty password.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-0438
http://www.securitytracker.com/id?1026956
http://www.securityfocus.com/archive/1/522408/30/0/threaded