HTTP Request Smuggling Affecting waitress package, versions [,2.1.1)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.35% (73rd percentile)

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  • Snyk ID SNYK-PYTHON-WAITRESS-2428349
  • published 17 Mar 2022
  • disclosed 17 Mar 2022
  • credit Zhang Zeyu

How to fix?

Upgrade waitress to version 2.1.1 or higher.

Overview

waitress is a production-quality pure-Python WSGI server with very acceptable performance.

Affected versions of this package are vulnerable to HTTP Request Smuggling via the front-end proxy, due to incorrect validation.

CVSS Scores

version 3.1
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Snyk

Recommended
7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    High
  • Availability (A)
    None
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NVD

7.5 high
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SUSE

7.5 high
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Red Hat

7.5 high