CVE-2018-1000164

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

gunicorn 19.4.5 contiene CWE-113: neutralización incorrecta de secuencias CRLF en cabeceras HTTP en la función "process_headers" en "gunicorn/http/wsgi.py" que puede resultar en que un atacante provoque que el servidor devuelva cabeceras HTTP arbitrarias. La vulnerabilidad parece haber sido solucionada en la versión 19.5.0.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-04-02 CVE Reserved
2018-04-18 CVE Published
2023-09-09 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')

CAPEC

References (5)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2018/04/msg00022.html	Mailing List

URL	Date	SRC
https://epadillas.github.io/2018/04/02/http-header-splitting-in-gunicorn-19.4.5	2024-08-05
https://github.com/benoitc/gunicorn/issues/1227	2024-08-05

URL	Date	SRC

URL	Date	SRC
https://usn.ubuntu.com/4022-1	2019-06-19
https://www.debian.org/security/2018/dsa-4186	2019-06-19

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gunicorn Search vendor "Gunicorn"		Gunicorn Search vendor "Gunicorn" for product "Gunicorn"				19.4.5 Search vendor "Gunicorn" for product "Gunicorn" and version "19.4.5"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				7.0 Search vendor "Debian" for product "Debian Linux" and version "7.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected