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Beosin:跨链协议 LI.FI 遭受攻击事件分析

2024-07-16 23:10:53

ChainCatcher 消息,据 Beosin Alert 监控预警发现,跨链协议 LI.FI 遭受攻击,Beosin 安全团队发现漏洞原因是攻击者利用项目合约的 call 注入将授权给合约的用户资产转移走。LI.FI 项目合约存在一个 depositToGasZipERC20 函数,可将指定代币兑换为平台币并存入 GasZip 合约,但是在兑换逻辑处的代码未对 call 调用的数据进行限制,导致攻击者可利用此函数进行 call 注入攻击,提取走给合约授权用户的资产。

攻击者地址:0x8B3Cb6Bf982798fba233Bca56749e22EEc42DcF3
被攻击合约:0x1231DEB6f5749EF6cE6943a275A1D3E7486F4EaE

截至目前,受损失金额包括 633.59 万USDT、319.19 万USDC、16.95 万 DAI,约 1000 万美元。

Beosin Trace 正在对被盗资金进行追踪。

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