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Rhea Finance 披露攻擊原因,滑點保護邏輯缺陷致 1840 萬美元損失

2026-04-18 08:20:51

ChainCatcher 消息,据 RHEA Finance 官方披露,NEAR 生態借貸協議 RHEA Finance(前身為 Burrow Finance)保證金交易功能遭到黑客攻擊,損失約 1840 萬美元。

攻擊者於事前數日開始佈局,通過在 Ref Finance 上創建多個假代幣池並注入流動性,構建惡意交換路由,利用協議滑點保護機制漏洞------該機制在計算多步驟交換的最小輸出時未考慮中間代幣被重複使用的情形------致使借出的債務代幣被導入攻擊者控制的假代幣池,觸發大規模強制清算,最終耗盡協議儲備池。攻擊期間,攻擊者共刪除 55 個中間帳戶以掩蓋蹤跡。目前,攻擊者已向 RHEA 借貸合約歸還約 335.9 萬枚 USDC 及 156.4 萬枚 NEAR,另有 434 萬枚 USDT 遭凍結(其中 Tether 凍結 329.1 萬枚,NEAR Intents 凍結 105.3 萬枚)。協議合約已暫停運行,團隊正與中心化交易所展開聯合追蹤,並已通知相關執法機構。

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