According to monitoring by BlockSec Phalcon, the FutureSwap contract on the Arbitrum chain has been attacked again, with an estimated loss of around $74,000. This attack exploited a reentrancy vulnerability. The attacker executed a two-step process: first, they exploited the reentrancy vulnerability during a liquidity provision three days ago to mint an excessive amount of LP tokens; then, after waiting for three days, they burned these illegally minted LP tokens to redeem the underlying collateral assets, stealing funds from the protocol and realizing profits.
FutureSwap on Arbitrum Hit by Reentrancy Attack, Losing $74,000
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Summary
FutureSwap on Arbitrum fell victim to a reentrancy attack, losing around $74,000. The reentrancy attack unfolded in two steps: the attacker first minted excessive LP tokens during a liquidity event three days ago. After waiting, they burned the tokens to claim collateral and drained funds from the protocol. The exploit highlights risks on Arbitrum-based DeFi platforms.
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