Oracle has just released a security update to prevent 2.3 million servers running RPCBIND service are used in DDoS attacks amplified. The failure that allows this exploration was discovered by the Brazilian researcher Mauricio Corrêa, founder of the Rio Grande do Sul security company XLabs Security. An exploration of this flaw has the potential to cause major problems on the Internet, Mauricio says. 

https://www.cibersecurity.net.br/brasileiro-descobre-falha-que-permite-ddos-extremo/