Unknown vulnerability in chroot on SCO UnixWare 7.1.1 through 7.1.4 allows local users to escape the chroot jail and conduct unauthorized activities.
https://exchange.xforce.ibmcloud.com/vulnerabilities/18970
https://euvd.enisa.europa.eu/vulnerability/EUVD-2004-1122
http://www.securityfocus.com/bid/12300