Vulnerability Monitor

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CVE-2017-5868

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__/.

Published

2017-05-26T01:29:00.630

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 6.1 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-93

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	openvpn	openvpn_access_server	2.1.4	Yes

References

http://www.openwall.com/lists/oss-security/2017/05/23/13 Exploit, Mailing List, Third Party Advisory ([email protected])
http://www.securitytracker.com/id/1038547 Third Party Advisory, VDB Entry ([email protected])
https://sysdream.com/news/lab/2017-05-05-cve-2017-5868-openvpn-access-server-crlf-injection-with-session-fixation/ Exploit, Mitigation, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2017/05/23/13 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1038547 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://sysdream.com/news/lab/2017-05-05-cve-2017-5868-openvpn-access-server-crlf-injection-with-session-fixation/ Exploit, Mitigation, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)