CVE-2024-38365— btcd 安全漏洞
一分钟漏洞结论
影响对象
btcsuite btcd
利用判断
存在公开或 AI PoC，应优先验证
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
btcd是Bitcoin in Go开源的一种用 Go（golang） 编写的另一种全节点比特币实现。 btcd 0.10至0.24版本存在安全漏洞，该漏洞源于未能正确重新实现Bitcoin Core的FindAndDelete功能，导致btcd客户端接受无效的比特币区块或拒绝有效的比特币区块。
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一、 漏洞 CVE-2024-38365 基础信息
漏洞信息
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Vulnerability Title
btcd did not correctly re-implement Bitcoin Core's "FindAndDelete()" functionality
来源: CVE Program / CVE List V5
Vulnerability Description
btcd is an alternative full node bitcoin implementation written in Go (golang). The btcd Bitcoin client (versions 0.10 to 0.24) did not correctly re-implement Bitcoin Core's "FindAndDelete()" functionality. This logic is consensus-critical: the difference in behavior with the other Bitcoin clients can lead to btcd clients accepting an invalid Bitcoin block (or rejecting a valid one). This consensus failure can be leveraged to cause a chain split (accepting an invalid Bitcoin block) or be exploited to DoS the btcd nodes (rejecting a valid Bitcoin block). An attacker can create a standard transaction where FindAndDelete doesn't return a match but removeOpCodeByData does making btcd get a different sighash, leading to a chain split. Importantly, this vulnerability can be exploited remotely by any Bitcoin user and does not require any hash power. This is because the difference in behavior can be triggered by a "standard" Bitcoin transaction, that is a transaction which gets relayed through the P2P network before it gets included in a Bitcoin block. `removeOpcodeByData(script []byte, dataToRemove []byte)` removes any data pushes from `script` that contain `dataToRemove`. However, `FindAndDelete` only removes exact matches. So for example, with `script = "<data> <data||foo>"` and `dataToRemove = "data"` btcd will remove both data pushes but Bitcoin Core's `FindAndDelete` only removes the first `<data>` push. This has been patched in btcd version v0.24.2. Users are advised to upgrade. There are no known workarounds for this issue.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
控制流实现总是不正确
来源: CVE Program / CVE List V5
Vulnerability Title
btcd 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
btcd是Bitcoin in Go开源的一种用 Go（golang） 编写的另一种全节点比特币实现。 btcd 0.10至0.24版本存在安全漏洞，该漏洞源于未能正确重新实现Bitcoin Core的FindAndDelete功能，导致btcd客户端接受无效的比特币区块或拒绝有效的比特币区块。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2024-38365 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
AI 生成 POC
高级
Qwen3.6-35B-A3B
· 5419 chars
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完整可执行 POC 代码
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每月 100+ 条 AI 生成额度
三、漏洞 CVE-2024-38365 的情报信息
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