NTFY Web Exposure Scanner
This scanner detects the use of NTFY Web Exposure in digital assets. NTFY Web is a lightweight tool for sending notifications, but if not configured properly, its interface can be publicly exposed. Detection helps ensure unauthorized publish or subscribe access is avoided.
Short Info
Level
Single Scan
Single Scan
Can be used by
Asset Owner
Estimated Time
10 seconds
Time Interval
11 days 14 hours
Scan only one
URL
Toolbox
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NTFY Web is utilized by developers and system administrators who need a simple method to send notifications from servers to clients across various platforms. Its main utility lies in its efficient distribution of alerts and updates. The software is often used in DevOps environments to inform users of significant events in their infrastructure. It is available as an open-source project and can be easily integrated into various systems. NTFY Web supports subscription-based alerts, enabling users to only receive notifications of interest. However, due to its wide usage and ease of accessibility, securing the web interface is crucial to prevent unauthorized access.
The detected vulnerability involves an exposure where the NTFY Web interface is accessible without authorization. This could allow unintended publish or subscribe activities on the platform. Such exposures are common when interfaces are left unprotected or are misconfigured during setup. Since NTFY Web is designed for quick notifications, these configurations may be mistakenly left open. This vulnerability poses a risk by potentially allowing unauthorized users to interact with notification data. Identifying and rectifying such exposures ensure the integrity and confidentiality of the notification system.
The technical details involve accessing the "/settings" path on the server where the NTFY Web interface is hosted. If this endpoint returns a status 200 with the title "
Exploiting this vulnerability could lead to unauthorized users gaining the ability to publish or subscribe to notifications, which might result in spam or the unauthorized distribution of sensitive information. In some cases, this could allow attackers to flood systems with unnecessary alerts, causing disruptions or information overload. Moreover, exposure could also serve as a foothold for further attacks if the system interfaces with sensitive or critical infrastructure.