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CVE-2018-6849 is a vulnerability in the WebRTC component of DuckDuckGo Privacy Browser 4.2.0 (and other browsers) that allows a website to obtain the user's private IP address via STUN requests, even when the user is using privacy tools such as VPNs. This occurs because WebRTC, by default, exposes local and public IP addresses to web applications, which can be accessed by malicious or tracking websites.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains a single Metasploit auxiliary module: 'browser_lanipleak.rb'. The module sets up an HTTP server that serves a crafted JavaScript payload to visiting browsers. The JavaScript leverages the WebRTC API to enumerate the victim's internal (LAN) IP addresses, then POSTs them back to the attacker's server. The module is designed for information gathering and exploits the WebRTC IP leakage vulnerability (CVE-2018-6849). The main attack vector is a browser visiting the attacker's web server. The code is operational and can be used to collect internal IP addresses from browsers that support WebRTC. The repository is structured as a typical Metasploit module, with Ruby code orchestrating the attack and embedded JavaScript performing the client-side enumeration.
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