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CVE-2018-1000164

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Date: April 18, 2018

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.

Language: Python

Severity Score

Related Resources (12)

https://epadillas.github.io/2018/04/02/http-header-splitting-in-gunicorn-19.4.5
https://github.com/benoitc/gunicorn/issues/1227
https://usn.ubuntu.com/4022-1/
https://github.com/benoitc/gunicorn
https://www.debian.org/security/2018/dsa-4186
https://access.redhat.com/security/cve/CVE-2018-1000164
https://usn.ubuntu.com/4022-1
https://github.com/advisories/GHSA-32pc-xphx-q4f6
https://github.com/pypa/advisory-database/tree/main/vulns/gunicorn/PYSEC-2018-55.yaml
https://lists.debian.org/debian-lts-announce/2018/04/msg00022.html
https://nvd.nist.gov/vuln/detail/CVE-2018-1000164
https://www.mend.io/vulnerability-database/CVE-2018-1000164

Severity Score

Weakness Type (CWE)

Improper Neutralization of CRLF Sequences ('CRLF Injection')

CWE-93

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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