PC Tools AntiVirus 2.1.0.51 uses insecure default permissions on the "PC Tools AntiVirus" directory, which allows local users to gain privileges and execute commands.
https://exchange.xforce.ibmcloud.com/vulnerabilities/28212
http://www.vupen.com/english/advisories/2006/3134
http://www.securityfocus.com/bid/19322
http://www.securityfocus.com/archive/1/442102/100/0/threaded
http://securitytracker.com/id?1016634
http://securityreason.com/securityalert/1340