CRLF Injection Affecting gunicorn package, versions <19.5.0-1


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.56% (79th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about CRLF Injection vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-DEBIANUNSTABLE-GUNICORN-308665
  • published18 Apr 2018
  • disclosed18 Apr 2018

Introduced: 18 Apr 2018

CVE-2018-1000164  (opens in a new tab)
CWE-93  (opens in a new tab)

How to fix?

Upgrade Debian:unstable gunicorn to version 19.5.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gunicorn package and not the gunicorn package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

gunicorn version 19.4.5 contains a CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers vulnerability in "process_headers" function in "gunicorn/http/wsgi.py" that can result in an attacker causing the server to return arbitrary HTTP headers. This vulnerability appears to have been fixed in 19.5.0.