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Ngrok Takeover Detection

By kannthu

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What is the "Ngrok Takeover Detection?"

The "Ngrok Takeover Detection" module is designed to detect potential takeover vulnerabilities related to the Ngrok software. Ngrok is a tool that allows developers to expose local servers behind NATs and firewalls to the public internet over secure tunnels. This module focuses on identifying misconfigurations or vulnerabilities that could lead to unauthorized access or control over Ngrok tunnels.

This module has a severity level of high, indicating that the detected vulnerabilities can have a significant impact on the security of the Ngrok setup.


If a takeover vulnerability is present and exploited, an attacker could gain unauthorized access to the Ngrok tunnels. This could potentially allow them to intercept or manipulate the traffic passing through the tunnels, leading to data breaches, unauthorized access to sensitive information, or even complete disruption of the affected services.

How the module works?

The "Ngrok Takeover Detection" module works by analyzing the responses received from Ngrok servers and comparing them against predefined matching conditions. It checks for specific patterns or error messages that indicate a potential takeover vulnerability.

For example, one of the matching conditions checks if the response contains the phrase " not found" or "Tunnel * not found". If any of these phrases are present, it suggests that the Ngrok tunnel may have been taken over or misconfigured.

The module may also send HTTP requests to the Ngrok server to gather additional information and validate the detected vulnerabilities. However, the exact details of these requests are not provided in the module description.

It's important to note that this module is designed to detect potential vulnerabilities and misconfigurations, but it does not perform any remediation actions. Once a vulnerability is detected, it is recommended to take appropriate measures to secure the Ngrok setup and address the identified issues.

Module preview

Concurrent Requests (0)
Passive global matcher
dsl: Host != ipand
word: not found, Tunnel * no...
On match action
Report vulnerability