Express.js minimalist web framework for node. Versions of Express.js prior to 4.19.0 and all pre-release alpha and beta versions of 5.0 are affected by an open redirect vulnerability using malformed URLs. When a user of Express performs a redirect using a user-provided URL Express performs an encode [using `encodeurl`](https://github.com/pillarjs/encodeurl) on the contents before passing it to the `location` header. This can cause malformed URLs to be evaluated in unexpected ways by common redirect allow list implementations in Express applications, leading to an Open Redirect via bypass of a properly implemented allow list. The main method impacted is `res.location()` but this is also called from within `res.redirect()`. The vulnerability is fixed in 4.19.2 and 5.0.0-beta.3.
CVE-2024-29041 - Medium Severity Vulnerability
Fast, unopinionated, minimalist web framework
Library home page: https://registry.npmjs.org/express/-/express-4.17.1.tgz
Path to dependency file: /package.json
Path to vulnerable library: /node_modules/express/package.json
Dependency Hierarchy: - react-5.3.21.tgz (Root Library) - core-5.3.21.tgz - :x: **express-4.17.1.tgz** (Vulnerable Library)
Found in HEAD commit: aeab869031be23faba5c5de38e09f27a58e99471
Found in base branch: master
Express.js minimalist web framework for node. Versions of Express.js prior to 4.19.0 and all pre-release alpha and beta versions of 5.0 are affected by an open redirect vulnerability using malformed URLs. When a user of Express performs a redirect using a user-provided URL Express performs an encode [using `encodeurl`](https://github.com/pillarjs/encodeurl) on the contents before passing it to the `location` header. This can cause malformed URLs to be evaluated in unexpected ways by common redirect allow list implementations in Express applications, leading to an Open Redirect via bypass of a properly implemented allow list. The main method impacted is `res.location()` but this is also called from within `res.redirect()`. The vulnerability is fixed in 4.19.2 and 5.0.0-beta.3.
Publish Date: 2024-03-25
URL: CVE-2024-29041
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: Required - Scope: Changed - Impact Metrics: - Confidentiality Impact: Low - Integrity Impact: Low - Availability Impact: None
For more information on CVSS3 Scores, click here.Type: Upgrade version
Origin: https://github.com/expressjs/express/security/advisories/GHSA-rv95-896h-c2vc
Release Date: 2024-03-25
Fix Resolution (express): 4.19.0
Direct dependency fix Resolution (@storybook/react): 7.0.0
:rescue_worker_helmet: Automatic Remediation will be attempted for this issue.