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 (5)
Core 5
Core References
Third Party Advisory x_refsource_misc
https://github.com/VoidSec/WebRTC-Leak
Third Party Advisory x_refsource_misc
https://voidsec.com/vpn-leak/
Issue Tracking x_refsource_misc
https://news.ycombinator.com/item?id=16699270
Third Party Advisory x_refsource_misc
https://docs.google.com/spreadsheets/d/1Nm7mxfFvmdn-3Az-BtE5O0BIdbJiIAWUnkoAF_v_0ug/edit?usp=sharing
Third Party Advisory x_refsource_misc
https://www.bleepingcomputer.com/news/security/many-vpn-providers-leak-customers-ip-address-via-webrtc-bug/
Scores
CVSS v3
4.3
EPSS
0.0052
EPSS Percentile
66.7%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Details
CWE
CWE-200
Status
published
Products (1)
opera/opera_browser
51.0.2830.55
Published
Mar 28, 2018
Tracked Since
Feb 18, 2026