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Hyperbridge:本次攻击事件漏洞源于 Merkle 证明验证逻辑缺陷

2026-04-13 21:31:02
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ChainCatcher 消息,区块链互操作协议 Hyperbridge 披露此前 DOT 攻击事件详情,损失约 23.7 万美元。漏洞根源在于 HandlerV1 合约 VerifyProof() 函数缺少输入验证,未对 leaf_index leafCount 进行校验,导致攻击者可伪造 Merkle 证明。

攻击者借此获得以太坊上桥接 DOT 代币合约的管理员权限,随即增发 10 亿枚桥接 DOT(为合法流通量约 35.6 万枚的 2800 余倍),并在去中心化交易所套现。Hyperbridge 表示,目前正与安全合作方追踪资金,跨链功能将持续暂停至调查完成。

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