CVE-2018-6849 EXPLOIT
4.3
MEDIUM · CVSS 3.0 · EPSS 28.7% (pctl 98)
Patch early
A public exploit exists.
Description
In the WebRTC component in DuckDuckGo 4.2.0, 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.
Scoring
| CVSS | 4.3 (MEDIUM, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
| EPSS | 28.71% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-200 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2018-04-01 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| duckduckgo | duckduckgo |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | WebRTC - Private IP Leakage (Metasploit) | 2018-04-05 |
References
- https://datarift.blogspot.com/p/private-ip-leakage-using-webrtc.html
- https://github.com/rapid7/metasploit-framework/pull/9538
- https://news.ycombinator.com/item?id=16699270
- https://voidsec.com/vpn-leak/
- https://www.exploit-db.com/exploits/44403/
- https://datarift.blogspot.com/p/private-ip-leakage-using-webrtc.html
- https://github.com/rapid7/metasploit-framework/pull/9538
- https://news.ycombinator.com/item?id=16699270
- https://voidsec.com/vpn-leak/
- https://www.exploit-db.com/exploits/44403/
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