CVE-2020-10108: Improper Input Validation in Twisted

CVE-2020-10108 · Severity: low · CVSS 3.1 · Published 2020-03-12

In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with two content-length headers, it ignored the first header. When the second content-length value was set to zero, the request body was interpreted as a pipelined request.

Technologies: twisted (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2020-10108 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-10108 being exploited in the wild.
How severe is CVE-2020-10108?
Low severity, with a CVSS score of 3.1, published 12 March 2020.
Which products and versions are affected?
twisted (PyPI) ECOSYSTEM:introduced=0,fixed=20.3.0, ECOSYSTEM:introduced=0,fixed=20.3.0rc1.
Is there a fix for CVE-2020-10108?
Yes. twisted (PyPI): upgrade to 20.3.0, 20.3.0rc1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-10108?
Check whether you run twisted (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • twisted (PyPI): upgrade to 20.3.0, 20.3.0rc1 or later
    pip install "twisted>=20.3.0rc1"

Affected products

  • twisted (PyPI) ECOSYSTEM:introduced=0,fixed=20.3.0, ECOSYSTEM:introduced=0,fixed=20.3.0rc1

Identifiers

  • CVE-2020-10108
  • GHSA-h96w-mmrf-2h6v
  • PYSEC-2020-259

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.