It was discovered that the jboss init script as used in Red Hat JBoss Enterprise Application Platform 7.0.7.GA performed unsafe file handling which could result in local privilege escalation. This issue is a result of an incomplete fix for CVE-2016-8656.
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-12189
https://access.redhat.com/errata/RHSA-2018:0005
https://access.redhat.com/errata/RHSA-2018:0004
https://access.redhat.com/errata/RHSA-2018:0003