CVE-2017-5868

OpenVPN Access Server 2.1.4 CRLF Injection

Severity Score

6.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

CRLF injection vulnerability in the web interface in OpenVPN Access Server 2.1.4 allows remote attackers to inject arbitrary HTTP headers and consequently conduct session fixation attacks and possibly HTTP response splitting attacks via "%0A" characters in the PATH_INFO to __session_start__/.

Una vulnerabilidad de inyección CRLF en la interfaz web en OpenVPN Access Server versión 2.1.4, permite a los atacantes remotos inyectar encabezados HTTP arbitrarios y, en consecuencia, conducir ataques de fijación de sesión y posiblemente ataques de división de respuesta HTTP por medio de caracteres "%0A" en la variable PATH_INFO en la función __session_start __ /.

OpenVPN Access Server version 2.1.4 suffers from a CRLF injection vulnerability.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-02-02 CVE Reserved
2017-05-25 CVE Published
2023-03-07 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 (3)

URL	Tag	Source
http://www.securitytracker.com/id/1038547	Third Party Advisory

URL	Date	SRC
http://www.openwall.com/lists/oss-security/2017/05/23/13	2024-08-05
https://sysdream.com/news/lab/2017-05-05-cve-2017-5868-openvpn-access-server-crlf-injection-with-session-fixation	2024-08-05

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Openvpn Search vendor "Openvpn"		Openvpn Access Server Search vendor "Openvpn" for product "Openvpn Access Server"				2.1.4 Search vendor "Openvpn" for product "Openvpn Access Server" and version "2.1.4"		-		Affected