Bug 2332884 (CVE-2024-51479)

Summary: CVE-2024-51479 next.js: next: authorization bypass in Next.js
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: bkabrda, caswilli, chazlett, chfoley, erack, gotiwari, jhorak, jscholz, kaycoth, lball, mvyas, ngough, swoodman, tpopela, veshanka
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in the Next.js framework. An incorrectly sanitized query parameter can cause an invalid routing condition, resulting in the wrong route being served to users and allowing authorization bypass when an application is performing path-based middleware authorization.
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Description OSIDB Bzimport 2024-12-17 19:01:08 UTC 
Next.js is a React framework for building full-stack web applications. In affected versions if a Next.js application is performing authorization in middleware based on pathname, it was possible for this authorization to be bypassed for pages directly under the application's root directory. For example: * [Not affected] `https://example.com/` * [Affected] `https://example.com/foo` * [Not affected] `https://example.com/foo/bar`. This issue is patched in Next.js `14.2.15` and later. If your Next.js application is hosted on Vercel, this vulnerability has been automatically mitigated, regardless of Next.js version. There are no official workarounds for this vulnerability.