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[虚拟币交流]
Yearn Finance遭遇重大yETH漏洞攻击,数百万LST代币被盗(转)
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超级薄荷糖漏洞清空了池子5 `6 w" G* }! u9 Q) v8 S& g- `% s, G
根据区块链追踪记录,攻击者通过新部署的智能合约执行了一系列交易,其中一项交易生成了“几乎无限量”的 yETH。在人为制造的代币供应到位后,攻击者迅速从资金池中提取资产,瞬间耗尽了资金池的流动性。1 |8 |' ]1 A, a
8 \2 {* ?. L$ I大约 1000 个 ETH(按当前价格计算价值约 300 万美元)迅速流入了隐私混合器 Tornado Cash。损失的全部规模尚不清楚,但yETH池袭击发生前,他拥有约 1100 万美元的资产。
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# R! X/ ^1 O* B @! c独立调查员兼 X 用户 Togbe 最先发现了这一异常情况,他表示,这些动作类似于触发了超级薄荷糖功能。" F& b7 u/ N' Y+ ?. s
; k$ P# ?: T: z$ ?2 {* zTogbe告诉媒体:“净转账数据显示,yETH超级铸币让攻击者榨干了资金池,获利约1000个ETH。虽然其他ETH也在此次事件中被牺牲,但他们仍然获利了结。”
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Yearn Finance做出回应0 u& Z3 [2 ~; a8 a1 R$ E
Yearn Finance在警报响起后不久便承认了这起事件,并在X上发布了声明:
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0 R* j, {6 k/ J3 h“我们正在调查一起涉及 yETH LST 稳定币池的事件。Yearn Vaults(包括 V2 和 V3)不受影响。”
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! X; E! D( `" [$ S$ B E) B$ ]这种区别对用户至关重要。Yearn 的金库——管理着规模更大的生态系统资产池——似乎并未受到影响。相反,攻击者专门针对的是围绕较新的 yETH 产品构建的智能合约基础设施。, S8 e4 G. r" X# J: e; I
3 p+ p! p: |& w# U1 _7 [尽管如此,此次安全漏洞仍是 Yearn 自 2021 年以来最严重的安全事件之一,在 DeFi 市场流动性仍然不足的情况下,再次引发了人们对复杂收益策略安全性的关注。
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3 j2 O+ Y" G' Z2 h4 h另请阅读:收益耕作现在还有利润吗?
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6 P, l/ Q9 `2 e1 }* q% }协议压力史: }# Q6 P/ R/ k1 N6 G
这并非Yearn Finance首次遭遇重大安全漏洞攻击。2021年2月,其yDAI金库遭到攻击,损失高达约1100万美元,黑客窃取了近300万美元。
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" ^9 z- `0 k9 I' L4 c/ n0 b8 W2023年12月,该协议披露,一个故障脚本导致其一个金库头寸损失了63%。虽然该事件并未影响用户资金,但引发了人们对Yearn内部运营保障措施的担忧。
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# t/ p9 @) H$ Z# {* ^2 U0 ]Yearn早期的成功与其备受瞩目的创始人Andre Cronje密切相关,他于2020年推出了该平台。已离开该项目于 2022 年启动。自那时起,这个由社区运营的协议不断推出新的收益产品和集成,包括命运多舛的 yETH 池。
5 L, F3 E! X# ~. C+ B5 m. H4 b3 \0 q1 V' Q7 n! ~9 S
接下来会发生什么?
: C% Q. z9 ?+ @; }8 F由于数百万美元的 LST 资金丢失,并且攻击者的踪迹被 Tornado Cash 部分掩盖,调查人员正在争分夺秒地拼凑出此次攻击是如何进行的,以及是否有任何资金能够真正追回。. F6 K1 D. I/ k; _" u
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安全研究人员表示,此次攻击的架构表明攻击者对 Yearn 的合约系统有着深入的了解,这增加了攻击可能存在复杂漏洞或经济设计缺陷的可能性,而不是传统的重入攻击或预言机操纵攻击。4 N% P( o: V/ Q2 h- b
% T5 h6 P& `9 Y6 Q N4 ?# u
在 Yearn 努力控制事态发展的同时,更广泛的 DeFi 社区再次面临复杂收益聚合产品的脆弱性——尤其是那些处理代币化质押衍生品的产品,这些衍生品已成为以太坊合并后经济的核心。; e( M; h, p% h; E# r/ S
, m1 }/ D. [2 b. x目前,Yearn 用户只能等待该协议的完整事后分析报告。但传递的信息已经很明确:在 DeFi 领域,即使是最经受实战考验的协议,其安全性也仅取决于其最具实验性的产品。8 ^5 @7 u. L6 T+ p; g" ?- S) Z
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Yearn这漏洞也太狠了,直接给池子掏空了,看来DeFi的安全审计还得再上点心啊 |
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这波超级薄荷糖玩得真狠,流动性直接清零,看这手法就是老手了 |
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