Advisory Database
  • Advisories
  • Dependency Scanning
  1. pypi
  2. ›
  3. Twisted
  4. ›
  5. CVE-2019-12387

CVE-2019-12387: Twisted CRLF Injection

June 10, 2019 (updated November 25, 2024)

In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an attacker to inject invalid characters such as CRLF.

References

  • github.com/advisories/GHSA-6cc5-2vg4-cc7m
  • github.com/pypa/advisory-database/tree/main/vulns/twisted/PYSEC-2019-128.yaml
  • github.com/twisted/twisted
  • github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2
  • labs.twistedmatrix.com/2019/06/twisted-1921-released.html
  • lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N
  • nvd.nist.gov/vuln/detail/CVE-2019-12387
  • twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html
  • usn.ubuntu.com/4308-1
  • usn.ubuntu.com/4308-2
  • www.oracle.com/security-alerts/cpuapr2020.html

Code Behaviors & Features

Detect and mitigate CVE-2019-12387 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 19.2.1

Fixed versions

  • 19.2.1

Solution

Upgrade to version 19.2.1 or above.

Impact 6.1 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
  • CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')

Source file

pypi/Twisted/CVE-2019-12387.yml

Spotted a mistake? Edit the file on GitLab.

  • Site Repo
  • About GitLab
  • Terms
  • Privacy Statement
  • Contact

Page generated Wed, 14 May 2025 12:15:16 +0000.