startkde in KDE for Caldera OpenLinux 2.3 through 3.1.1 sets the LD_LIBRARY_PATH environment variable to include the current working directory, which could allow local users to gain privileges of other users running startkde via Trojan horse libraries.
http://www.securityfocus.com/bid/4400
http://www.iss.net/security_center/static/8737.php
http://www.calderasystems.com/support/security/advisories/CSSA-2002-005.0.txt