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CVE-2022-29361PYSEC-2022-203

Improper parsing of HTTP requests in Pallets Werkzeug v2.1.0 and below allows attackers to perform HTTP Request Smuggling using a crafted HT

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.1.1
2 proofs of concept on GitHub

Summary

Improper parsing of HTTP requests in Pallets Werkzeug v2.1.0 and below allows attackers to perform HTTP Request Smuggling using a crafted HTTP request with multiple requests included inside the body. NOTE: the vendor's position is that this behavior can only occur in unsupported configurations involving development mode and an HTTP server from outside the Werkzeug project

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • n/a n/a

    Version range not reported

  • werkzeugPyPI

    fixed in 2.1.1

References 4

GitHub · pallets/werkzeug

GitHub · kevin-mizu/Werkzeug-CVE-2022-29361-PoC

GitHub · l3ragio/CVE-2022-29361_Werkzeug_Client-Side-Desync-to-XSS