Prototype Pollution vulnerability found in handlebars 1.0.6 before 4.5.3. It is possible to add or modify properties to the Object prototype through a malicious template. Attacker may crash the application or execute Arbitrary Code in specific conditions.
:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.
WS-2019-0333 - Medium 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: /flashcard/package.json
Path to vulnerable library: /tmp/git/flashcard/node_modules/handlebars/package.json
Dependency Hierarchy: - jest-24.8.0.tgz (Root Library) - jest-cli-24.8.0.tgz - core-24.8.0.tgz - reporters-24.8.0.tgz - istanbul-reports-2.2.6.tgz - :x: **handlebars-4.1.2.tgz** (Vulnerable Library)
Found in HEAD commit: 50880f29e55e386931266167e75af1875464df8c
Vulnerability Details
Prototype Pollution vulnerability found in handlebars 1.0.6 before 4.5.3. It is possible to add or modify properties to the Object prototype through a malicious template. Attacker may crash the application or execute Arbitrary Code in specific conditions.
Publish Date: 2019-12-05
URL: WS-2019-0333
CVSS 2 Score Details (5.0)
Base Score Metrics not available
Suggested Fix
Type: Upgrade version
Origin: https://www.npmjs.com/advisories/1325
Release Date: 2019-12-05
Fix Resolution: handlebars - 4.5.3
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