CVE-2018-1000164 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

https://epadillas.github.io/2018/04/02/http-header-splitting-in-gunicorn-19.4.5 https://github.com/benoitc/gunicorn/issues/1227 https://lists.debian.org/debian-lts-announce/2018/04/msg00022.html https://usn.ubuntu.com/4022-1/ https://www.debian.org/security/2018/dsa-4186

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5