The default configuration of Red Hat Enterprise IPA 1.0.0 and FreeIPA before 1.1.1 places ldap:///anyone on the read ACL for the krbMKey attribute, which allows remote attackers to obtain the Kerberos master key via an anonymous LDAP query.
rhn.redhat.com/errata/RHSA-2008-0860.html
secunia.com/advisories/31861
www.freeipa.org/page/CVE-2008-3274
www.freeipa.org/page/Downloads
www.freeipa.org/page/News
www.securityfocus.com/bid/31111
www.securitytracker.com/id?1020850
bugzilla.redhat.com/show_bug.cgi?id=457835
git.fedorahosted.org/git/freeipa.git/?p=freeipa.git%3Ba=commit%3Bh=9932887f2af38b9701efec27707648c026ec445c
www.redhat.com/archives/fedora-package-announce/2008-September/msg00733.html
www.redhat.com/archives/fedora-package-announce/2008-September/msg00743.html