Provide references for CVE-2019-12147.
Where can I find more information about CVE-2019-12147?
References are available at: https://blog.appsecco.com, http://seclists.org/fulldisclosure/2019/Oct/40, http://packetstormsecurity.com/files/154914/Sangoma-SBC-2.3.23-119-GA-Unauthenticated-User-Creation.html.