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.
Mend Note: Converted from WS-2019-0368, on 2022-11-08.
CVE-2019-19919 - Critical Severity Vulnerability
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: /generic-oauth/package.json
Path to vulnerable library: /tmp/git/generic-oauth/node_modules/handlebars/package.json
Dependency Hierarchy: - semantic-release-15.13.14.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: fe55e123ae855dae6afeea0a6efd3a1862e6b82d
Found in base branch: master
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. Mend Note: Converted from WS-2019-0368, on 2022-11-08.
Publish Date: 2019-12-20
URL: CVE-2019-19919
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.Type: Upgrade version
Origin: https://github.com/advisories/GHSA-w457-6q6x-cgp9
Release Date: 2019-12-20
Fix Resolution (handlebars): 4.3.0
Direct dependency fix Resolution (semantic-release): 15.13.15
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