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y2z Ventures 合夥人:BSC 上出現偽造授權騙取用戶 gas 的攻擊事件

2023-07-09 10:31:50

ChainCatcher 消息,y2z Ventures 合夥人 blanker.eth 在社交平台表示,BSC 鏈上出現偽造授權,然後利用安全事件引誘用戶通過撤銷授權消耗大量 gas 的攻擊事件。

攻擊方法如下:攻擊者部署一個假 ERC-20 合約,然後手動給大批鏈上地址偽造授權。當用戶看到安全工具提醒取消授權時,用戶點擊取消授權並且發送交易,就會鑄造 CHI Token 到攻擊者的錢包內,並損失約 60 美元等值 BNB。

blanker.eth 指出 BSC 可以通過整合 EIP-3298 來杜絕此種攻擊方式。(來源鏈接)

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