CVE-2021-23436 (Medium) detected in immer-8.0.1.tgz

[mend-bolt-for-github[bot]]

CVE-2021-23436 - Medium Severity Vulnerability

Vulnerable Library - immer-8.0.1.tgz

Create your next immutable state by mutating the current one

Library home page: https://registry.npmjs.org/immer/-/immer-8.0.1.tgz

Path to dependency file: /open-offsets-directory/react/package.json

Path to vulnerable library: /open-offsets-directory/react/node_modules/immer/package.json

Dependency Hierarchy: - react-scripts-4.0.3.tgz (Root Library) - react-dev-utils-11.0.4.tgz - :x: **immer-8.0.1.tgz** (Vulnerable Library)

Found in HEAD commit: d388e16464e00b9ce84df0d247029f534a429b90

Found in base branch: main

Vulnerability Details

This affects the package immer before 9.0.6. A type confusion vulnerability can lead to a bypass of CVE-2020-28477 when the user-provided keys used in the path parameter are arrays. In particular, this bypass is possible because the condition (p === "__proto__" || p === "constructor") in applyPatches_ returns false if p is ['__proto__'] (or ['constructor']). The === operator (strict equality operator) returns false if the operands have different type.

Publish Date: 2021-09-01

URL: CVE-2021-23436

CVSS 3 Score Details (5.6)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: High - 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://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23436

Release Date: 2021-09-01

Fix Resolution (immer): 9.0.6

Direct dependency fix Resolution (react-scripts): 5.0.0

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