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.
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CVE-2024-43796
### Vulnerable Library - express-4.18.2.tgz
Express.js minimalist web framework for node. In express < 4.20.0, passing untrusted user input - even after sanitizing it - to response.redirect() may execute untrusted code. This issue is patched in express 4.20.0.
Fast, unopinionated, minimalist web framework
Library home page: https://registry.npmjs.org/express/-/express-4.18.2.tgz
Path to dependency file: /react-app/package.json
Path to vulnerable library: /react-app/package.json,/package.json
Vulnerabilities
**In some cases, Remediation PR cannot be created automatically for a vulnerability despite the availability of remediation
Details
CVE-2024-29041
### Vulnerable Library - express-4.18.2.tgzFast, unopinionated, minimalist web framework
Library home page: https://registry.npmjs.org/express/-/express-4.18.2.tgz
Path to dependency file: /react-app/package.json
Path to vulnerable library: /react-app/package.json,/package.json
Dependency Hierarchy: - :x: **express-4.18.2.tgz** (Vulnerable Library)
Found in base branch: main
### Vulnerability DetailsExpress.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
### CVSS 3 Score Details (6.1)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. ### Suggested FixType: Upgrade version
Origin: https://github.com/expressjs/express/security/advisories/GHSA-rv95-896h-c2vc
Release Date: 2024-03-25
Fix Resolution: 4.19.0
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CVE-2024-43796
### Vulnerable Library - express-4.18.2.tgzFast, unopinionated, minimalist web framework
Library home page: https://registry.npmjs.org/express/-/express-4.18.2.tgz
Path to dependency file: /react-app/package.json
Path to vulnerable library: /react-app/package.json,/package.json
Dependency Hierarchy: - :x: **express-4.18.2.tgz** (Vulnerable Library)
Found in base branch: main
### Vulnerability DetailsExpress.js minimalist web framework for node. In express < 4.20.0, passing untrusted user input - even after sanitizing it - to response.redirect() may execute untrusted code. This issue is patched in express 4.20.0.
Publish Date: 2024-09-10
URL: CVE-2024-43796
### CVSS 3 Score Details (5.0)Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: High - Privileges Required: None - User Interaction: Required - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: Low - Integrity Impact: Low - Availability Impact: Low
For more information on CVSS3 Scores, click here. ### Suggested FixType: Upgrade version
Origin: https://github.com/expressjs/express/security/advisories/GHSA-qw6h-vgh9-j6wx
Release Date: 2024-09-10
Fix Resolution: express - 4.20.0,5.0.0
Step up your Open Source Security Game with Mend [here](https://www.whitesourcesoftware.com/full_solution_bolt_github)