Red Hat Enterprise Linux 5 and Fedora install the Bind /etc/rndc.key file with world-readable permissions, which allows local users to perform unauthorized named commands, such as causing a denial of service by stopping named.
https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00671.html
https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00587.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9977
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2007-6283
http://www.redhat.com/support/errata/RHSA-2008-0300.html