What happened
EvoDefi was exploited by attackers using a flash loan. The attacker made away with 455 $GEN roughly worth $1.8 million.
EvoDefi, a cross-chain platform offering a large suite of products on the BSC chain, Polygon and the multi-chain bridge was attacked, and the price of its token GEN fell from $3.81 to $1.28. A total of 455,576.855 GEN was lost, which is about $1M. Due to design faults in the update logic of the function in the MasterChef contract, the part of the reward that must be subtracted is not updated, allowing the attacker to arbitrage.
Attacker address: https://bscscan.com/address/0x8a0a1eb0…907c6c
Attacker contract: https://bscscan.com/address/0x1cb6d29c…e92459
Attack transaction: https://bscscan.com/tx/0x7c3b7f08…cc3880
Case & protocol details
Evidence & learning
Attack pattern
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