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Beosin:JPEG'd 受攻击原因为重入攻击

Jul 30, 2023 23:00:22

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ChainCatcher 消息,据 Beosin 安全团队分析,JPEG'd 项目遭遇攻击根本原因在于重入问题。

据悉,攻击者在调用 removeliquidity 函数移除流动性时通过重入 addliquidity 函数添加流动性,由于余额更新在重入进 add_liquidity 函数之前,导致价格计算出现错误。

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