CVE-2018-6608

medium

Description

In the WebRTC component in Opera 51.0.2830.55, after visiting a web site that attempts to gather complete client information (such as https://ip.voidsec.com), the browser can disclose a private IP address in a STUN request.

References

Advisories
More

https://www.bleepingcomputer.com/news/security/many-vpn-providers-leak-customers-ip-address-via-webrtc-bug/

https://voidsec.com/vpn-leak/

https://github.com/VoidSec/WebRTC-Leak

https://docs.google.com/spreadsheets/d/1Nm7mxfFvmdn-3Az-BtE5O0BIdbJiIAWUnkoAF_v_0ug/edit?usp=sharing

https://news.ycombinator.com/item?id=16699270

Details

Source: Mitre, NVD

Published: 2018-03-28

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

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