dbus-daemon in D-Bus before 1.0.3, and 1.1.x before 1.1.20, recognizes send_interface attributes in allow directives in the security policy only for fully qualified method calls, which allows local users to bypass intended access restrictions via a method call with a NULL interface.
https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00911.html
https://www.redhat.com/archives/fedora-package-announce/2008-February/msg00893.html
https://issues.rpath.com/browse/RPL-2282
http://www.ubuntu.com/usn/usn-653-1
http://www.securityfocus.com/bid/28023
http://www.redhat.com/support/errata/RHSA-2008-0159.html
http://www.j5live.com/2008/02/27/announce-d-bus-1120-conisten-water-released/
http://www.debian.org/security/2008/dsa-1599
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0099
http://wiki.rpath.com/Advisories:rPSA-2008-0099
http://securitytracker.com/id?1019512
http://lists.opensuse.org/opensuse-updates/2012-10/msg00094.html
http://lists.opensuse.org/opensuse-security-announce/2008-03/msg00004.html
http://lists.freedesktop.org/archives/dbus/2008-February/009401.html