CVE-2024-29041 (GCVE-0-2024-29041)
Vulnerability from cvelistv5
Published
2024-03-25 20:20
Modified
2024-08-02 01:03
Severity ?
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
  • CWE-1286 - Improper Validation of Syntactic Correctness of Input
Summary
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.
References
Impacted products
Vendor Product Version
expressjs express Version: >=4.14.0, <4.19.0
Version: >=5.0.0-alpha.1, <5.0.0-beta.3
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