autorun in Xandros based Linux distributions allows local users to read the first line of arbitrary files via the -c parameter, which causes autorun to print the first line of the file.
http://www.securityfocus.com/bid/4884
http://www.iss.net/security_center/static/9211.php
http://archives.neohapsis.com/archives/bugtraq/2002-05/0260.html