Paidun: KiloEx suffered an attack due to a price oracle vulnerability and lost about $7.5 million

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On April 15, perpetual contract DEX KiloEx was attacked today, losing about $7.5 million (of which $3.3 million was on the Base network, $3.1 million on the opBNB network, and $1 million on the BNB Chain).

KiloEx is currently suspended urgently. Paidun's preliminary analysis of one of the attack transactions shows that this is a price oracle problem. The attacker took advantage of the vulnerability and set the initial price of ETHUSD to 100 when opening the position, and then immediately closed the position at an inflated ETHUSD price of 10,000, making a profit of about $3.12 million in this transaction alone.

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