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慢雾发布 Radiant Capital 安全事件分析:攻击者非法控制多签钱包中 3 个所有者权限

2024-10-17 12:17:18

ChainCatcher 消息,慢雾于 X 发布 Radiant Capital 安全事件(Arbitrum 链)分析:

Radiant Capital 使用多签钱包(0x111ceeee040739fd91d29c34c33e6b3e112f2177)来管理合约升级和资金转移等关键操作。然而,攻击者非法控制了多签钱包中的 3 个所有者权限。

由于 Radiant Capital 的多签钱包采用 3/11 签名验证模型,攻击者首先使用这 3 位所有者的私钥进行链下签名,然后从多签钱包发起链上交易,将 LendingPoolAddressesProvider 合约的所有权转移到攻击者控制的恶意合约上。

随后,恶意合约调用 LendingPoolAddressesProvider 合约的 setLendingPoolImpl 函数,将 Radiant 借贷池的底层逻辑合约升级为恶意后门合约(0xf0c0a1a19886791c2dd6af71307496b1e16aa232)。

最后,攻击者执行后门功能,将资金从各种借贷市场转移到该攻击合约中。

此前消息,Radiant Capital 遭遇网络攻击,损失超过 5000 万美元。

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