OpenResty Technology Detection Scanner
This scanner detects the use of OpenResty in digital assets. It identifies OpenResty versions by parsing HTTP headers, helping to assess exposure to potential vulnerabilities.
Short Info
Level
Informational
Single Scan
Single Scan
Can be used by
Asset Owner
Estimated Time
10 seconds
Time Interval
24 days
Scan only one
URL
Toolbox
-
The OpenResty platform is a multifunctional software tool commonly utilized by developers and IT professionals for efficiently deploying web applications. It integrates the NGINX web server with LuaJIT and various Lua libraries, offering sophisticated capabilities for handling HTTP requests. Leveraging OpenResty, organizations can build dynamic web services or gateways, API integration platforms, and more, supporting high concurrency workloads. This software is popular due to its scalability and flexibility, which is critical for managing complex web applications. OpenResty is typically deployed in diverse environments, ranging from large enterprise infrastructures to smaller development projects.
The vulnerability detected through this Scanner is the exposure of the OpenResty version number in HTTP headers. This can occur if the server configuration is not secured to hide such details, leading to information disclosure. While not immediately harmful, revealing software versions can aid attackers in crafting more precise attacks, particularly if known vulnerabilities exist in disclosed versions. The detection of OpenResty version can thus alert administrators to tighten configuration settings. It's essential to address any unintended data exposure to maintain software security.
The vulnerability detail involves the identification of OpenResty's version from the server's HTTP headers. When a server improperly exposes its software version, it provides potential vectors for intrusion. Specifically, OpenResty may reveal its version through the "Server" header found in HTTP responses. This scanner utilizes simple regular expressions to extract and identify versions, capitalizing on the inconsistencies or details within the header output that are not masked or randomized. This information, while seemingly trivial, can significantly enhance an attacker's knowledge base for specific exploits.
When exploited, such version disclosures may allow attackers to align their intrusion methods with specific vulnerabilities linked to exposed versions. This knowledge can lead to tailored attacks that may bypass current defenses. In environments where patch management is not comprehensive, outdated software versions with known vulnerabilities can be targeted directly. As such, information disclosure can act as a stepping-stone towards more severe breaches, including data theft, service disruption, or unauthorized system access.
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