cobbler-default-login: Cobbler Default Login

id: cobbler-default-login

info:
  name: Cobbler Default Login
  author: c-sh0
  severity: high
  description: Cobbler default login credentials for the testing module (testing/testing) were discovered.
  reference:
    - https://seclists.org/oss-sec/2022/q1/146
    - https://github.com/cobbler/cobbler/issues/2307
    - https://github.com/cobbler/cobbler/issues/2909
  classification:
    cwe-id: CWE-798
  metadata:
    max-request: 2
  tags: cobbler,default-login,api,seclists,vuln

http:
  - raw:
      - |
        POST {{BaseURL}}/cobbler_api HTTP/1.1
        Host: {{Hostname}}
        Content-Type: text/xml
        Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8

        <?xml version='1.0'?>
        <methodCall>
          <methodName>login</methodName>
          <params>
            <param>
              <value>
                <string>{{username}}</string>
              </value>
            </param>
            <param>
              <value>
                <string>{{password}}</string>
              </value>
            </param>
          </params>
        </methodCall>

    attack: pitchfork
    payloads:
      username:
        - cobbler
        - testing
      password:
        - cobbler
        - testing

    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200

      - type: word
        part: header
        words:
          - 'text/xml'

      - type: dsl
        dsl:
          - "!contains(tolower(body), '<name>faultCode</name>')"
          - "!contains(tolower(body), 'login failed')"
        condition: or

      - type: regex
        part: body
        regex:
          - "(.*[a-zA-Z0-9].+==)</string></value>"
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