Ecartis (formerly Listar) 1.0.0 in snapshot 20020125 and earlier does not properly drop privileges when Ecartis is installed setuid-root, "lock-to-user" is not set, and ecartis is called by certain MTA's, which could allow local users to gain privileges.
http://www.securityfocus.com/archive/1/261209
http://www.iss.net/security_center/static/8444.php
http://archives.neohapsis.com/archives/vulnwatch/2002-q1/0063.html