CRLF Injection Vulnerability in OpenVPN Access Server by OpenVPN
CVE-2017-5868

6.1MEDIUM

Key Information:

Vendor
Openvpn
Status
Openvpn Access Server
Vendor
CVE Published:
25 May 2017

Summary

A CRLF injection vulnerability exists in the web interface of OpenVPN Access Server version 2.1.4. This flaw enables remote attackers to inject arbitrary HTTP headers through the use of '%0A' characters in the PATH_INFO, which can lead to session fixation attacks and potentially facilitate HTTP response splitting. Attackers exploiting this vulnerability could manipulate the server’s response, compromising user sessions and the integrity of user data.

References

https://sysdream.com/news/lab/2017-05-05-cve-2017-5868-op...
x_refsource_MISC
http://www.securitytracker.com/id/1038547
vdb-entryx_refsource_SECTRACK
http://www.openwall.com/lists/oss-security/2017/05/23/13
mailing-listx_refsource_MLIST

EPSS Score

5% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.