Executive Summary

This vulnerability in Deporsite by T-INNOVA is a lack of authorization issue that allows an unauthenticated attacker to obtain information from other users by sending a GET request to the endpoint '/ajax/TInnova_v2/Integrantes_Recurso_v2_1/llamadaAjax/buscarPersona' with the 'dni' parameter. Essentially, it means that anyone without logging in or proper permissions can access personal information of other users.

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Impact Analysis

The vulnerability can lead to unauthorized disclosure of personal information from other users, which could result in privacy breaches, identity theft, or misuse of sensitive data. Since it requires no authentication, attackers can exploit it remotely and easily, potentially compromising user trust and the security of the system.

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Detection Guidance

You can detect this vulnerability by monitoring network traffic for unauthenticated GET requests to the endpoint '/ajax/TInnova_v2/Integrantes_Recurso_v2_1/llamadaAjax/buscarPersona' with the 'dni' parameter. For example, using tools like curl or wget to test the endpoint manually: curl -v 'http://<target>/ajax/TInnova_v2/Integrantes_Recurso_v2_1/llamadaAjax/buscarPersona?dni=<some_value>'. Additionally, network intrusion detection systems (NIDS) can be configured to alert on such suspicious GET requests targeting this specific URL pattern.

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Mitigation Strategies

Immediate mitigation steps include restricting access to the vulnerable endpoint by implementing proper authorization checks to prevent unauthenticated access. If possible, apply the vendor's patch or upgrade to a fixed version of the software. Since the CVE description does not specify a fixed version, contacting the vendor for updates or applying access control rules (e.g., firewall rules blocking external access to the endpoint) can help reduce risk.

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