Orion Protocol

Reentrancy Attack on Orion Protocol Leads to $3 Million Loss

February 2, 2023
Attack Types: 
Smart Contract Exploit ,Reentrancy Attack
Entity Types: 
DeFi ,Exchange
Target Entities: 
Orion Protocol

Summary # On February 2, 2023, Orion Protocol, a decentralized blockchain platform that aggregates liquidity across both centralized and decentralized exchanges, fell victim to a sophisticated smart contract exploit. The attacker manipulated a reentrancy vulnerability within the protocol’s core smart contracts, which enabled them to divert approximately $3 million in tokens across the Ethereum and Binance Smart Chain networks. Attackers # The identity of the attacker is unknown. Two addresses were primarily involved in the attack: ...