BlockSec reports blockchain contract vulnerability attack resulting in losses exceeding $17 million

BlockSec Phalcon monitoring found that several contracts on Ethereum, Arbitrarum, Base, and BSC were attacked hours ago, resulting in a total loss of over $17 million. The attack target is a non open source contract created by two deployers, suspected to have a vulnerability in arbitrary call functionality. The attacker abused token authorization and stole assets through the transferFrom operation. Affected deployers and loss amount: - 0xbeef63AE5a2102506e8a352a5bB32aA8B30B3112， Loss of approximately 3.67 million US dollars; - 0x9cb8d9BaE84830b7F5F11ee5048c04a80b8514BA， The loss is approximately 13.41 million US dollars.