IBM SPSS Modeler 16.0 before 16.0.0.1 on UNIX does not properly drop group privileges, which allows local users to bypass intended file-access restrictions by leveraging (1) gid 0 or (2) root's group memberships.
https://exchange.xforce.ibmcloud.com/vulnerabilities/93304
http://www.securityfocus.com/bid/67949