CVE-2017-1000209 Information

Description

The Java WebSocket client nv-websocket-client does not verify that the server hostname matches a domain name in the subject’s Common Name (CN) or subjectAltName field of the X.509 certificate which allows man-in-the-middle attackers to spoof SSL/TLS servers via an arbitrary valid certificate.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

https://github.com/TakahikoKawasaki/nv-websocket-client/pull/107

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.9