Aaron
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28 lines
1.0 KiB
Markdown
28 lines
1.0 KiB
Markdown
# Adminer ElasticSearch 和 ClickHouse 错误页面SSRF漏洞（CVE-2021-21311）
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Adminer是一个PHP编写的开源数据库管理工具，支持MySQL、MariaDB、PostgreSQL、SQLite、MS SQL、Oracle、Elasticsearch、MongoDB等数据库。
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在其4.0.0到4.7.9版本之间，连接 ElasticSearch 和 ClickHouse 数据库时存在一处服务端请求伪造漏洞（SSRF）。
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参考连接：
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- <https://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6>
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- <https://github.com/vrana/adminer/files/5957311/Adminer.SSRF.pdf>
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- <https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-21311.yaml>
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## 漏洞环境
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执行如下命令启动一个安装了Adminer 4.7.8的PHP服务：
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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，在`http://your-ip:8080`即可查看到Adminer的登录页面。
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## 漏洞复现
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在Adminer登录页面，选择ElasticSearch作为系统目标，并在server字段填写`example.com`，点击登录即可看到`example.com`返回的400错误页面展示在页面中：
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