Благодаря уязвимости в DeFi-протоколе Team Finance были украдены криптоактивы на сумму $15,8 млн.
1/ @TeamFinance_ was exploited in https://t.co/9s5lLx7EOr,
leading to the loss of ~$15.8M for the protocol: $11.5M (V2_USDC_CAW)+$1.7M(V2_USDC_TSUKA)+0.7M(V2_KNDX_WETH)+1.9M(V2_FEG_WETH). @trustswap https://t.co/7r1F0J6ATv— PeckShield Inc. (@peckshield) October 27, 2022
Согласно анализу специалистов PeckShield, хакер использовал уязвимость в функции миграции токенов. Он отправлял реальную ликвидность из Uniswap V2 в новые пары на третьей версии протокола с «искаженной» ценой, возвращая «огромную прибыль».
2/ The protocol has a flawed migrate() that is exploited to transfer real UniswapV2 liquidity to an attacker-controlled new V3 pair with skewed price, resulting in huge leftover as the refund for profit. Also, the authorized sender check is bypassed by locking any tokens. pic.twitter.com/G2QVNU7DgU
— PeckShield Inc. (@peckshield) October 27, 2022
Чтобы украсть средства, ему понадобилось всего 1,76 ETH стоимостью ~$2730 на момент написания. Злоумышленник перевел деньги с автоматизированной криптобиржи FixedFloat.
Совокупно он украл:
- ~$15,4 млн в токенах Hunters Dream (CAW);
- ~$1,7 млн в Dejitaru Tsuka (TSUKA);
- ~$2,6 млн в WETH.
На данный момент факт кражи денег подтвердила команда Team Finance и заявила, что используемая злоумышленником функция прошла аудит.
«Мы временно приостанавливаем все операции через Team Finance, пока не убедимся, что эксплойт устранен. Все находящиеся сейчас в протоколе средства не подвергаются дальнейшему риску из-за этой уязвимости», — сообщила команда.
We have just been alerted of an exploit on Team Finance.
We are currently unsure of the details.
We urge the exploiter to get in contact with us for a bounty paymentWe are working to analyze and remedy the situation at this very moment.
More details to follow
— Team Finance (@TeamFinance_) October 27, 2022
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