Vulnerabilities in pkg:npm/xtalk

PACKAGE
Advisory Identifier: GHSA-cqv6-7fwc-8m3c
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Advisory Summary

CVE-2017-16091 is a HIGH (CVSS 7.5) path traversal vulnerability (CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')) affecting Xtalk libraries in the npm ecosystem. The issue involves directory traversal in xtalk. Remediation is available in the latest vendor maintenance releases.

1 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:npm/xtalk

1 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:npm/xtalk. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-cqv6-7fwc-8m3c CVE-2017-16091 HIGH Directory Traversal in xtalk

CVE-2017-16091 at a Glance

CVE Identifier CVE-2017-16091
GHSA Identifier GHSA-cqv6-7fwc-8m3c
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Product Xtalk
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 7.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

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 None (I:N)
Availability None (A:N)

How to Fix CVE-2017-16091

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

xtalk fixed: Latest secure release 
npm install xtalk@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 xtalk

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2017-16091, inspect your project dependencies using npm:

npm ls xtalk

Analyze the terminal output to locate any version of Xtalk 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 xtalk 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-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'), where the product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. In Xtalk, 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

Affected versions of `xtalk` are vulnerable to directory traversal, allowing access to the filesystem by placing "../" in the URL. **Example request:** ```http GET /../../../../../../../../../../etc/passwd HTTP/1.1 host:localhost ``` ## Recommendation No patch is currently available for this vulnerability, and the package has not been updated since 2014. The best mitigation is currently to avoid using this package, and using a different, functionally equivalent package.

CVE-2017-16091 Affected Xtalk Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
xtalk
npm/xtalk
npm
≥ 0.0.2

References

NVD — CVE-2017-16091 NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-16091
www.npmjs.com/advisories/339 WEB
https://www.npmjs.com/advisories/339

Frequently Asked Questions

What is CVE-2017-16091?
CVE-2017-16091 is a security vulnerability in Xtalk involving Directory Traversal in xtalk under CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal').
Which Xtalk versions are affected?
Affected versions include releases prior to current release patches across affected packages: xtalk.
What version fixes CVE-2017-16091?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is xtalk affected?
Yes, xtalk 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-2017-16091?
CVE-2017-16091 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2017-16091?
CVE-2017-16091 is classified under CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.).
How can I check npm dependencies for CVE-2017-16091?
Run the dependency tree command: 'npm ls xtalk'. 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-cqv6-7fwc-8m3c",
  "modified" : "2023-09-11T23:14:59Z",
  "published" : "2020-09-01T16:44:59Z",
  "aliases" : [ "CVE-2017-16091" ],
  "summary" : "Directory Traversal in xtalk",
  "details" : "Affected versions of `xtalk` are vulnerable to directory traversal, allowing access to the filesystem by placing \"../\" in the URL.\n\n**Example request:**\n```http\nGET /../../../../../../../../../../etc/passwd HTTP/1.1\nhost:localhost\n```\n\n\n\n\n## Recommendation\n\nNo patch is currently available for this vulnerability, and the package has not been updated since 2014.\n\nThe best mitigation is currently to avoid using this package, and using a different, functionally equivalent package.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "xtalk"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0.0.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2017-16091"
  }, {
    "type" : "WEB",
    "url" : "https://www.npmjs.com/advisories/339"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-22" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-08-31T18:19:52Z",
    "nvd_published_at" : null
  }
}