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  5. CVE-2020-10108

CVE-2020-10108: Improper Input Validation in Twisted

March 31, 2020 (updated November 25, 2024)

In Twisted Web before 20.3.0, 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.

References

  • github.com/advisories/GHSA-h96w-mmrf-2h6v
  • github.com/pypa/advisory-database/tree/main/vulns/twisted/PYSEC-2020-259.yaml
  • github.com/twisted/twisted
  • github.com/twisted/twisted/blob/6ff2c40e42416c83203422ff70dfc49d2681c8e2/NEWS.rst
  • github.com/twisted/twisted/commit/4a7d22e490bb8ff836892cc99a1f54b85ccb0281
  • know.bishopfox.com/advisories
  • know.bishopfox.com/advisories/twisted-version-19.10.0
  • lists.debian.org/debian-lts-announce/2022/02/msg00021.html
  • lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ISMZFZBWW4EV6ETJGXAYIXN3AT7GBPL
  • lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3NIL7VXSGJND2Q4BSXM3CFTAFU6T7D
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6ISMZFZBWW4EV6ETJGXAYIXN3AT7GBPL
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YW3NIL7VXSGJND2Q4BSXM3CFTAFU6T7D
  • nvd.nist.gov/vuln/detail/CVE-2020-10108
  • security.gentoo.org/glsa/202007-24
  • usn.ubuntu.com/4308-1
  • usn.ubuntu.com/4308-2
  • www.oracle.com/security-alerts/cpuoct2020.html

Code Behaviors & Features

Detect and mitigate CVE-2020-10108 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions before 20.3.0

Fixed versions

  • 20.3.0

Solution

Upgrade to version 20.3.0 or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-20: Improper Input Validation
  • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

Source file

pypi/Twisted/CVE-2020-10108.yml

Spotted a mistake? Edit the file on GitLab.

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