CVE-2020-7774 (High) detected in y18n-4.0.0.tgz

[mend-for-github-com]

CVE-2020-7774 - High Severity Vulnerability

Vulnerable Library - y18n-4.0.0.tgz

the bare-bones internationalization library used by yargs

Library home page: https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz

Path to dependency file: jazz/core/jazz_services/package.json

Path to vulnerable library: jazz/core/jazz_services/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_splunk-kinesis-log-streamer/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_deployments-event-handler/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_test-lambda/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_slack-event-handler/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_email/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_metrics/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_apigee-proxy-aws/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_cloud-logs-streamer/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_assets/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_delete-serverless-service/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_deployments/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_events-handler/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_usermanagement/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_t-vault/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_codeq/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_is-service-available/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_login/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_logs/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_create-serverless-service/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_services-handler/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_environments/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_cognito-authorizer/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_es-kinesis-log-streamer/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_logout/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_slack-channel/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_environment-event-handler/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_asset-event-handler/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_acl/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_cognito-admin-authorizer/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_scm-webhook/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_events/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_admin/node_modules/nyc/node_modules/y18n/package.json,jazz/core/jazz_is-slack-channel-available/node_modules/nyc/node_modules/y18n/package.json

Dependency Hierarchy:

• nyc-13.3.0.tgz (Root Library)
  • yargs-12.0.5.tgz
    • ❌ y18n-4.0.0.tgz (Vulnerable Library)

Found in HEAD commit: 28b974d263d83a5d8a484ca4ec56db5336af6185

Found in base branch: master

Vulnerability Details

This affects the package y18n before 3.2.2, 4.0.1 and 5.0.5. PoC by po6ix: const y18n = require('y18n')(); y18n.setLocale('proto'); y18n.updateLocale({polluted: true}); console.log(polluted); // true

Publish Date: 2020-11-17

URL: CVE-2020-7774

CVSS 3 Score Details (7.3)

Base Score Metrics:

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.npmjs.com/advisories/1654

Release Date: 2020-11-17

Fix Resolution: 3.2.2, 4.0.1, 5.0.5