Merge multiple objects into one, optionally creating a new cloned object. Similar to the jQuery.extend but more flexible. Works in Node.js and the browser.
A Prototype Pollution vulnerability was found in merge before 2.1.0 via the merge.recursive function. It can be tricked into adding or modifying properties of the Object prototype. These properties will be present on all objects.
WS-2020-0218 - High Severity Vulnerability
Merge multiple objects into one, optionally creating a new cloned object. Similar to the jQuery.extend but more flexible. Works in Node.js and the browser.
Library home page: https://registry.npmjs.org/merge/-/merge-1.2.1.tgz
Path to dependency file: agenda/package.json
Path to vulnerable library: agenda/node_modules/merge/package.json
Dependency Hierarchy: - cli-plugin-unit-jest-3.12.1.tgz (Root Library) - jest-23.6.0.tgz - jest-cli-23.6.0.tgz - jest-haste-map-23.6.0.tgz - sane-2.5.2.tgz - exec-sh-0.2.2.tgz - :x: **merge-1.2.1.tgz** (Vulnerable Library)
Found in HEAD commit: c0e03a52286f136b2ec379b20d44fd4cb767b63b
Found in base branch: master
A Prototype Pollution vulnerability was found in merge before 2.1.0 via the merge.recursive function. It can be tricked into adding or modifying properties of the Object prototype. These properties will be present on all objects.
Publish Date: 2020-10-09
URL: WS-2020-0218
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.Type: Upgrade version
Origin: https://github.com/yeikos/js.merge/pull/38
Release Date: 2020-10-09
Fix Resolution: merge - 2.1.0
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