CVE-2017-5868 — MEDIUM (6.1)

Vulnerability Description

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__/.

CVSS Score

6.1

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Openvpn	Openvpn Access Server	2.1.4

Related Weaknesses (CWE)

CWE-93

References

http://www.openwall.com/lists/oss-security/2017/05/23/13ExploitMailing ListThird Party Advisory
http://www.securitytracker.com/id/1038547Third Party AdvisoryVDB Entry
https://sysdream.com/news/lab/2017-05-05-cve-2017-5868-openvpn-access-server-crlExploitMitigationThird Party Advisory
http://www.openwall.com/lists/oss-security/2017/05/23/13ExploitMailing ListThird Party Advisory
http://www.securitytracker.com/id/1038547Third Party AdvisoryVDB Entry
https://sysdream.com/news/lab/2017-05-05-cve-2017-5868-openvpn-access-server-crlExploitMitigationThird Party Advisory

FAQ

What is CVE-2017-5868?

CVE-2017-5868 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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...

How severe is CVE-2017-5868?

CVE-2017-5868 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-5868?

Check the references section above for vendor advisories and patch information. Affected products include: Openvpn Openvpn Access Server.