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吴说区块链
@wublockchain12
吴说中文推特:接近真相,更可信赖 专业可信的行业新闻,优质深度内容推荐 吴说所有内容渠道、播客、APP 等: 联系我们 TG: colinwu1989
Joined August 2021
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181.5K
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吴说区块链
@wublockchain12
2026.09.11 12:14
吴说获悉,慢雾披露,Liquid Network 于 9 月 6 日遭 Rangeproof 验证缓存键碰撞漏洞攻击。攻击者在没有对应 BTC 转入(peg-in)的情况下,无抵押铸造约 3,998.5 L-BTC,随后数分钟内通过 peg-out 兑换为比特币主网 BTC。此后约 3,400 BTC 被返还至 Liquid 联邦挂钩钱包,仍有约 598.5 BTC 由攻击者控制。慢雾称,漏洞源于 Elements 的 Rangeproof 验证缓存键拼接多个可变长度字段时未加入长度前缀,使不同参数组合可能生成相同缓存键。攻击者通过构造交易触发缓存碰撞,使节点命中“验证通过”的缓存结果后跳过 secp256k1_rangeproof_verify 及最小金额检查,从而接受未经真实资产支持的输出并完成 L-BTC 铸造。慢雾已追踪比特币侧资金流并完成事件分析。
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