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CVE-2019-16792

CVE-2019-16792 · HTTP Request Smuggling: Content-Length Sent Twice in Waitress

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Waitress through version 1.3.1 allows request smuggling by sending the Content-Length header twice. Waitress would header fold a double Content-Length header and due to being unable to cast the now comma separated value to an integer would set the Content-Length to 0 internally. If two Content-Length headers are sent in a single request, Waitress would treat the request as having no body, thereby treating the body of the request as a new request in HTTP pipelining. This issue is fixed in Waitress 1.4.0.

CVSS 7.1 · High · EPSS 2.0% · Fix available

Published
Updated

Stack: system · python

Affected products and versions

  • waitress

    Versions
    • ≥ <= 1.3.1, ≤ 1.3.1: Affected (custom)

    No fix published

  • waitress Debian:12

    Affected ranges
    • ECOSYSTEM: < 1.4.1-1

    Update to 1.4.1-1

  • waitress Debian:13

    Affected ranges
    • ECOSYSTEM: < 1.4.1-1

    Update to 1.4.1-1

  • waitress Debian:14

    Affected ranges
    • ECOSYSTEM: < 1.4.1-1

    Update to 1.4.1-1

  • waitress PyPI

    Versions
    • 0.1
    • 0.2
    • 0.3
    • 0.4
    • 0.5
    • 0.6
    • 0.6.1
    • 0.7
    • 0.8
    • 0.8.1
    • 0.8.10
    • 0.8.11b0
    • 0.8.2
    • 0.8.3
    • 0.8.4
    • 0.8.5
    • 0.8.6
    • 0.8.7
    • 0.8.8
    • 0.8.9
    • 0.9.0
    • 0.9.0b0
    • 0.9.0b1
    • 1.0.0
    • 1.0.1
    • 1.0.2
    • 1.0a1
    • 1.0a2
    • 1.1.0
    • 1.2.0
    • 1.2.0b1
    • 1.2.0b2
    • 1.2.0b3
    • 1.2.1
    • 1.3.0
    • 1.3.0b0
    • 1.3.1
    Affected ranges
    • ECOSYSTEM: < 1.4.0

    Update to 1.4.0

  • waitress PyPI

    Versions
    • 0.1
    • 0.2
    • 0.3
    • 0.4
    • 0.5
    • 0.6
    • 0.6.1
    • 0.7
    • 0.8
    • 0.8.1
    • 0.8.2
    • 0.8.3
    • 0.8.4
    • 0.8.5
    • 0.8.6
    • 0.8.7
    • 0.8.8
    • 0.8.9
    • 0.8.10
    • 0.8.11b0
    • 0.9.0b0
    • 0.9.0b1
    • 0.9.0
    • 1.0a1
    • 1.0a2
    • 1.0.0
    • 1.0.1
    • 1.0.2
    • 1.1.0
    • 1.2.0b1
    • 1.2.0b2
    • 1.2.0b3
    • 1.2.0
    • 1.2.1
    • 1.3.0b0
    • 1.3.0
    • 1.3.1
    Affected ranges
    • GIT: < 575994cd42e83fd772a5f7ec98b2c56751bd3f65
    • ECOSYSTEM: < 1.4.0

    Update to 1.4.0

  • waitress Ubuntu:16.04:LTS

    Versions
    • 0.8.9-2ubuntu1
    • 0.8.10-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • waitress Ubuntu:18.04:LTS

    Versions
    • 1.0.1-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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