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NovaBox 獎勵池遭遇攻擊,駭客利用分配機制漏洞竊取 56.73 ETH

2026-06-11 09:08:53

ChainCatcher 消息,据 Bits.media 報導,NovaBox 平台的獎勵池於 6 月 9 日在以太坊上遭到黑客攻擊,損失約 56.73 枚 ETH,超過 130 名存款用戶受影響。攻擊者僅通過一筆交易就將池中資金從 65.11 ETH 耗盡至 0.09 ETH,占比約 99.86%。

安全公司 F12 表示,此次事件並非源於智能合約漏洞,而是獎勵分配機制中的缺陷。攻擊者通過 Aave V3 閃電貸借入 427.5 WETH,利用 NovaBox 在用戶存取款時先發放股息後更新餘額的機制漏洞。黑客先存入少量 NOVA 代幣觸發股息計算,再存入大量 ETH 使實際份額大幅增加,但由於系統未及時更新餘額,仍按之前的小額份額計算股息,卻按新的大額份額進行支付,產生了約 145.82 ETH 的"幻影股息",從而耗盡獎勵池。

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