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Hyperbridge:本次攻擊事件漏洞源於 Merkle 證明驗證邏輯缺陷

2026-04-13 21:31:02

ChainCatcher 消息,區塊鏈互操作協議 Hyperbridge 披露此前 DOT 攻擊事件詳情,損失約 23.7 萬美元。漏洞根源在於 HandlerV1 合約 VerifyProof() 函數缺少輸入驗證,未對 leaf_index leafCount 進行校驗,導致攻擊者可偽造 Merkle 證明。

攻擊者借此獲得以太坊上橋接 DOT 代幣合約的管理員權限,隨即增發 10 億枚橋接 DOT(為合法流通量約 35.6 萬枚的 2800 余倍),並在去中心化交易所套現。Hyperbridge 表示,目前正與安全合作方追蹤資金,跨鏈功能將持續暫停至調查完成。

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