Logic error, fake contract, over-authorization
Days in Operation:
Furucombo, a tool designed to help users “batch” transactions and interactions with multiple decentralized finance (DeFi) protocols at once, fell victim to the attack at roughly 4:45 pm UTC, which centered on token approvals from users. The agent of the DeFi platform Furucombo was attacked and the amount stolen amounted to more than 15 million U.S. USD. The DeFi aggregation platform Furucombo officially released a tweet, saying: "The root cause has been found and the vulnerability has been patched. The funds are now safe. We are investigating the stolen funds and organizing follow-up actions. The follow-up will continue to be updated. "Later, Furucombo stated that it would issue 5 million iouCOMBO tokens to affected users. In these “evil contract” exploits, an attacker creates a contract that fools a protocol into believing it belongs there, giving them access to protocol funds.
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