Format string vulnerability in the error logging code of DHCP server and client in Caldera Linux allows remote attackers to execute arbitrary commands.
https://exchange.xforce.ibmcloud.com/vulnerabilities/5953
https://euvd.enisa.europa.eu/vulnerability/EUVD-2001-0181
http://www.securityfocus.com/bid/2215
http://www.calderasystems.com/support/security/advisories/CSSA-2001-003.0.txt