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Beosin EagleEye: Transit Finance 遭遇攻击事件分析

2023-12-20 15:14:09
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ChainCatcher 消息,据 Beosin 旗下 EagleEye 安全风险监控、预警与阻断平台监测显示,Transit Finance 项目遭到攻击,Beosin 安全团队分析发现 Transit Finance 的 SwapRouter 中的 exactInputV3Swap 函数由于缺乏对 pool 输入合法校验,导致被攻击。以 0x93ae5...6de1081 交易为例,攻击者传入伪造的 pool 和 WBNB/BUSD 池子路径、从而在第一次兑换中控制了 actualAmountIn。导致 SwapRouter 将伪造的 actualAmountIn 作为在 WBNB/BUSD 池子中兑换的初始值,从而窃取了 SwapRouter 中的 BUSD。

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