Litecoin - node & validator attack techniques

3 techniques with a reproduced instance on Litecoin

NRDAX-T0001 - Addr Message Counter Overflow Crash (gossip_abuse) active NRDAX-T0184 - Orphan Tx Resolution CPU Amplification (compute_amp) active NRDAX-T0345 - Unrated GetHeaders Response Flood (response_amp) active