CVE-2025-56563
CriticalCVSS 9.8Summary
A Server-Side Request Forgery vulnerability exists in sat_proxy.php in Zenith Satellite Tracker 1.0. The script accepts an attacker-controlled URL parameter and passes it to curl_setopt(CURLOPT_URL) without host or scheme validation, allowing an unauthenticated remote attacker to make arbitrary HTTP and HTTPS requests from the server to internal networks or cloud metadata services.
Risk Assessment
An attacker may obtain sensitive information from internal networks or cloud metadata services and use the server as a pivot for further attacks. The risk includes data leakage and escalation in cloud environments.
Recommendation
Validate the URL parameter against allowed hosts and schemes, and restrict the server's access to internal networks and metadata services. Consider upgrading or retiring the vulnerable Zenith Satellite Tracker version.
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Original NVD description (English source)
A Server-Side Request Forgery vulnerability exists in sat_proxy.php in Zenith Satellite Tracker 1.0. The script accepts an attacker-controlled address URL parameter and passes it to curl_setopt(CURLOPT_URL) without host or scheme validation. An unauthenticated remote attacker can leverage this to make arbitrary HTTP and HTTPS requests from the server to internal networks or cloud metadata services, potentially obtaining sensitive information or pivoting to further attacks.