Secunia Security Advisory – Josh Bressers has reported a security issue in ntpd, which can cause ntpd to run with incorrect group permissions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/39675/sa16602.txt
Source: https://packetstormsecurity.com/files/39675/Secunia-Security-Advisory-16602.html