Provide references for CVE-2017-6611.
Where can I find more information about CVE-2017-6611?
References are available at: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170419-cpi, http://www.securityfocus.com/bid/97931, http://www.securitytracker.com/id/1038330.