The database creation script (module/idoutils/db/scripts/create_mysqldb.sh) in Icinga 1.7.1 grants access to all databases to the icinga user, which allows icinga users to access other databases via unspecified vectors.
https://git.icinga.org/?p=icinga-doc.git%3Ba=commitdiff%3Bh=619a08ca1178144b8a3a5caafff32a2d3918edab
https://exchange.xforce.ibmcloud.com/vulnerabilities/78874
https://bugzilla.novell.com/show_bug.cgi?id=767319
http://www.openwall.com/lists/oss-security/2012/07/30/7
http://www.openwall.com/lists/oss-security/2012/07/30/6
http://lists.opensuse.org/opensuse-updates/2012-08/msg00012.html