Euler Suffers $200M Exploit in Flash Loan Attack
Euler’s team is working with security and law enforcement to resolve issues at hand
Sashkin/Shutterstock.com modified by Blockworks
Euler Finance, a DeFi lending and borrowing protocol has been exploited by almost $200 million in a flash loan attack.
Contents lost in the attack include $8.7 million in DAI, $18.5 million in WBTC, $135.8 million in stETH, and $33.8 million in USDC, information compiled by BlockSec shows.
“We are aware and our team is currently working with security professionals and law enforcement. We will release further information as soon as we have it,” Euler Labs tweeted.
In a traditional flash loan, traders are able to borrow cryptocurrencies without any collateral, but these assets must be returned within the same transaction.
Euler’s exploiter used a series of six different flash loans in the attack by tricking its smart contract into believing there were fewer collateral tokens than debt tokens.
According to blockchain security and data analytics company PeckShield, “The hack is made possible due to the flawed logic [in] its donation and liquidation.”
“Specifically, the donateToReserves needs to ensure the donator is still over-collateralized,” the company tweeted. “And liquidation needs to ensure the *correct* conversion rate from borrow to collateral asset.”
Following the exploit, the price of Euler’s native token (EUL) has dipped by over 55%. At the time of writing, it is currency trading at $2.75, according to CoinGecko.
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