CVE-2018-1000164

Description

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.

How to fix CVE-2018-1000164

To remediate CVE-2018-1000164, upgrade the affected package to a fixed version below.

• —upgrade to 19.5.0-1 or later
• —upgrade to 0.14.5-3+deb7u2 or later
• —upgrade to 19.0-1+deb8u1 or later
• —upgrade to 19.5.0 or later
• —upgrade to 19.5.0 or later

Is CVE-2018-1000164 being exploited?

Low — EPSS is 1.5%, meaning exploitation activity has not been observed at scale.

Affected packages (5)

• from 0, < 19.5.0-1
• from 0, < 0.14.5-3+deb7u2
• from 0, < 19.0-1+deb8u1
• from 0, < 19.5.0
• from 0, < 19.5.0

CVSS scores

References (11)

• ADVISORYgithub.com/advisories/GHSA-32pc-xphx-q4f6
• ADVISORYnvd.nist.gov/vuln/detail/CVE-2018-1000164
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2018-1000164
• PATCHgithub.com/benoitc/gunicorn
• WEB