swagger-api / swagger-api/swagger-codegen

CVE-2017-16119 (High) detected in fresh-0.3.0.tgz

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Description

CVE-2017-16119 - High Severity Vulnerability

Vulnerable Library - fresh-0.3.0.tgz

HTTP response freshness testing

Library home page: https://registry.npmjs.org/fresh/-/fresh-0.3.0.tgz

Path to dependency file: /samples/dynamic-html/package.json

Path to vulnerable library: /samples/dynamic-html/node_modules/fresh/package.json

Dependency Hierarchy:

  • express-3.21.2.tgz (Root Library)
    • fresh-0.3.0.tgz (Vulnerable Library)

Found in HEAD commit: 4b7a8d7d7384aa6a27d6309c35ade0916edae7ed

Found in base branches: 3.0.0, master

Vulnerability Details

Fresh is a module used by the Express.js framework for HTTP response freshness testing. It is vulnerable to a regular expression denial of service when it is passed specially crafted input to parse. This causes the event loop to be blocked causing a denial of service condition.

Publish Date: 2018-06-07

URL: CVE-2017-16119

CVSS 3 Score Details (7.5)

Base Score Metrics:

  • Exploitability Metrics:
    • Attack Vector: Network
    • Attack Complexity: Low
    • Privileges Required: None
    • User Interaction: None
    • Scope: Unchanged
  • Impact Metrics:
    • Confidentiality Impact: None
    • Integrity Impact: None
    • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.npmjs.com/advisories/526

Release Date: 2018-06-07

Fix Resolution (fresh): 0.5.2

Direct dependency fix Resolution (express): 4.0.0


  • Check this box to open an automated fix PR

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with samples/dynamic-html/package.json and inspect how express-3.21.2 brings in fresh-0.3.0. Update the dependency chain to use the stated fixed versions, then verify that the generated dependency tree no longer contains fresh below 0.5.2 and that the sample still installs successfully.

Written by the indexing model from the issue text.

Assessment

Tech stack
express, node.js
Domain
backend, security
Issue type
Bug
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
45/100

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