A flaw has been found in MegaEase EaseProbe up to 2.3.0. Affected is the function realIP of the file web/server.go of the component Middleware. This manipulation of the argument X-Forwarded-For/X-Real-IP/True-Client-IP causes improper access controls. The attack can be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

A vulnerability has been identified in MegaEase EaseProbe up to version 2.3.0, affecting the realIP function in web/server.go within the Middleware component. The flaw allows manipulation of HTTP headers X-Forwarded-For, X-Real-IP, and True-Client-IP to bypass access controls improperly. The attack can be initiated remotely without requiring physical access. A public exploit has been published and is available for use. The vendor was contacted prior to disclosure but did not respond. This improper trust of client-supplied headers for IP resolution is a classic IP spoofing vulnerability enabling unauthorized access.