Provide references for CVE-2018-17856.
Where can I find more information about CVE-2018-17856?
References are available at: http://www.securityfocus.com/bid/105559, http://www.securitytracker.com/id/1041914, https://developer.joomla.org/security-centre/752-20181002-core-inadequate-default-access-level-for-com-joomlaupdate.html.