critical
9.8
CWE
444
Advisory Published
Advisory Published
Updated

CVE-2020-10109

First published: Thu Mar 12 2020(Updated: )

In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with a content-length and a chunked encoding header, the content-length took precedence and the remainder of the request body was interpreted as a pipelined request.

Credit: cve@mitre.org cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Twistedmatrix Twisted<=19.10.0
Fedoraproject Fedora=31
Fedoraproject Fedora=32
Debian Debian Linux=9.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.10
pip/Twisted<20.3.0
20.3.0
Twisted Twisted<=19.10.0
debian/twisted
20.3.0-7+deb11u1
20.3.0-7+deb11u2
22.4.0-4+deb12u1
24.11.0-1

Remedy

https://github.com/twisted/twisted/commit/4a7d22e490bb8ff836892cc99a1f54b85ccb0281

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Reference Links

Frequently Asked Questions

  • What is CVE-2020-10109?

    CVE-2020-10109 is an HTTP request splitting vulnerability in Twisted Web through 20.3.0.

  • How severe is CVE-2020-10109?

    CVE-2020-10109 has a severity score of 9.8, which is considered critical.

  • Which versions of Twisted Web are affected by CVE-2020-10109?

    Twisted Web versions up to and including 20.3.0 are affected by CVE-2020-10109.

  • How can I fix CVE-2020-10109?

    To fix CVE-2020-10109, update Twisted Web to version 20.3.0 or higher.

  • Where can I find more information about CVE-2020-10109?

    You can find more information about CVE-2020-10109 at the following URLs: https://know.bishopfox.com/advisories and https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6ISMZFZBWW4EV6ETJGXAYIXN3AT7GBPL/

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