Versions of handlebars prior to 4.3.0 are vulnerable to Prototype Pollution leading to Remote Code Execution. Templates may alter an Object's __proto__ and __defineGetter__ properties, which may allow an attacker to execute arbitrary code through crafted payloads.
CVE-2019-19919 - High Severity Vulnerability
Vulnerable Library - handlebars-4.1.2.tgz
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration
Library home page: https://registry.npmjs.org/handlebars/-/handlebars-4.1.2.tgz
Path to dependency file: stripe-distinct-usage-tracking/package.json
Path to vulnerable library: stripe-distinct-usage-tracking/node_modules/handlebars
Dependency Hierarchy: - semantic-release-15.13.18.tgz (Root Library) - release-notes-generator-7.1.4.tgz - conventional-changelog-writer-4.0.3.tgz - :x: **handlebars-4.1.2.tgz** (Vulnerable Library)
Found in HEAD commit: 83c1642c7babb504882f75d3a9d951f65620b0dd
Vulnerability Details
Versions of handlebars prior to 4.3.0 are vulnerable to Prototype Pollution leading to Remote Code Execution. Templates may alter an Object's __proto__ and __defineGetter__ properties, which may allow an attacker to execute arbitrary code through crafted payloads.
Publish Date: 2019-12-20
URL: CVE-2019-19919
CVSS 3 Score Details (9.8)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://www.npmjs.com/advisories/1164
Release Date: 2019-12-20
Fix Resolution: 4.3.0
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