CVE-2018-3744: Html pages Path Traversal Vulnerability

CRITICAL
Advisory Identifier: GHSA-fm87-46vv-jqrr
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CVSS 9.8
CWE-35 CWE-22
Published
Advisory Summary

CVE-2018-3744 is a CRITICAL (CVSS 9.8) path traversal vulnerability (CWE-35: Path Traversal: '.../...//') affecting Html pages libraries in the npm ecosystem. The issue involves path traversal in html-pages. Remediation is available in the latest vendor maintenance releases.

CVE-2018-3744 at a Glance

CVE Identifier CVE-2018-3744
GHSA Identifier GHSA-fm87-46vv-jqrr
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-35: Path Traversal: '.../...//'
Affected Product Html pages
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2018-3744

To remediate this vulnerability, upgrade all affected Html pages dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

html-pages fixed: Latest secure release 
npm install html-pages@Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

npm ls html-pages

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2018-3744, inspect your project dependencies using npm:

npm ls html-pages

Analyze the terminal output to locate any version of Html pages in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: The npm ls html-pages command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-35: Path Traversal: '.../...//', where the product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '.../...//' (doubled triple dot slash) sequences that can resolve to a location that is outside of that directory. In Html pages, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

Versions of `html-pages` before 2.1.0 are vulnerable to path traversal. ## Recommendation Update to version 2.1.0 or later.

CVE-2018-3744 Affected Html pages Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
html-pages
npm/html-pages
npm
≤ 2.1.2

References

NVD — CVE-2018-3744 NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-3744
Html pages Source Repository REPOSITORY
https://github.com/danielcardoso/html-pages/issues/2
hackerone.com/reports/306607 WEB
https://hackerone.com/reports/306607
GitHub Advisory / Wiki ADVISORY
https://github.com/advisories/GHSA-fm87-46vv-jqrr
www.npmjs.com/advisories/665 WEB
https://www.npmjs.com/advisories/665

Frequently Asked Questions

What is CVE-2018-3744?
CVE-2018-3744 is a security vulnerability in Html pages involving Path Traversal in html-pages under CWE-35: Path Traversal: '.../...//'.
Which Html pages versions are affected?
Affected versions include releases prior to current release patches across affected packages: html-pages.
What version fixes CVE-2018-3744?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is html-pages affected?
Yes, html-pages is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2018-3744?
CVE-2018-3744 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2018-3744?
CVE-2018-3744 is classified under CWE-35: Path Traversal: '.../...//' (The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '.../...//' (doubled triple dot slash) sequences that can resolve to a location that is outside of that directory.).
How can I check npm dependencies for CVE-2018-3744?
Run the dependency tree command: 'npm ls html-pages'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-fm87-46vv-jqrr",
  "modified" : "2023-01-31T01:40:06Z",
  "published" : "2018-09-18T13:45:07Z",
  "aliases" : [ "CVE-2018-3744" ],
  "summary" : "Path Traversal in html-pages",
  "details" : "Versions of `html-pages` before 2.1.0 are vulnerable to path traversal.\n\n\n## Recommendation\n\nUpdate to version 2.1.0 or later.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "html-pages"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "2.1.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2018-3744"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/danielcardoso/html-pages/issues/2"
  }, {
    "type" : "WEB",
    "url" : "https://hackerone.com/reports/306607"
  }, {
    "type" : "ADVISORY",
    "url" : "https://github.com/advisories/GHSA-fm87-46vv-jqrr"
  }, {
    "type" : "WEB",
    "url" : "https://www.npmjs.com/advisories/665"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-22", "CWE-35" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-06-16T21:34:53Z",
    "nvd_published_at" : "2018-05-29T20:29:00Z"
  }
}