Information disclosure in Opera Browser
CVE-2018-6608
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.032 (87.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.032 · change: -0.001
Affected products
- Opera Browser — versions 51.0.2830.55
Weakness classification (CWE)
References
- github.com/VoidSec/WebRTC-Leak (Third Party Advisory)
- voidsec.com/vpn-leak/ (Third Party Advisory)
- news.ycombinator.com/item (Issue Tracking)
- docs.google.com/spreadsheets/d/1Nm7mxfFvmdn-3Az-BtE5O0BIdbJiIAWUnkoAF_v_0ug/edit (Third Party Advisory)
- www.bleepingcomputer.com/news/security/many-vpn-providers-leak-customers-ip-add… (Third Party Advisory)
Frequently asked questions
- What is CVE-2018-6608?
- CVE-2018-6608 is a medium-severity vulnerability in Opera Browser, classified under Information Disclosure. CVSS score: 4.3/10. Published 2018-03-28.
- How severe is CVE-2018-6608?
- Medium severity. CVSS v3 base score is 4.3 out of 10.