CVE-2018-6849 : In the WebRTC component in DuckDuckGo 4.2.0, after visiting a web site that atte

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.

Published 2018-04-01 18:29:00

Updated 2018-05-15 13:09:14

Source MITRE

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2018-6849

Duckduckgo » Duckduckgo » Version: 4.2.0
cpe:2.3:a:duckduckgo:duckduckgo:4.2.0:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2018-6849

EPSS FAQ

94.29%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 99 %

Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2018-6849

HTTP Client LAN IP Address Gather

Disclosure Date: 2013-09-05

First seen: 2020-04-26

auxiliary/gather/browser_lanipleak

This module retrieves a browser's network interface IP addresses using WebRTC. Authors: - Daniel Roesler - Dhiraj Mishra

More information

CVSS scores for CVE-2018-6849

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:P/I:N/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
4.3	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N	2.8	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

CWE ids for CVE-2018-6849

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-6849

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

VPN leaks users’ IPs via WebRTC | Hacker News
Third Party Advisory

CVEs referencing this url
https://voidsec.com/vpn-leak/

VPN Leak - VoidSec
Third Party Advisory

CVEs referencing this url
https://datarift.blogspot.com/p/private-ip-leakage-using-webrtc.html

Private IP Leakage using WebRTC ~ inputzero
Third Party Advisory
https://www.exploit-db.com/exploits/44403/

WebRTC - Private IP Leakage (Metasploit)
Exploit;Third Party Advisory;VDB Entry
https://github.com/rapid7/metasploit-framework/pull/9538

Private IP Leakage using WebRTC by RootUp · Pull Request #9538 · rapid7/metasploit-framework · GitHub
Issue Tracking;Third Party Advisory

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