MicroStrategy tinyurl - BSSRF

Jijith Rajan
Published on
01 Oct 2021

When an application is induced to send a back-end HTTP request to a specified URL, the response from the back-end request is not returned in the application’s front-end response, this is known as a blind SSRF vulnerability.In “com.microstrategy.web.app.utils.usher” class, I observed the “validateServerURL” function which process “serverURL” parameter. The “validateServerURL” function will internally send a GET request to the provided URL.

Mitigation / Precaution

We suggest that you update MicroStrategy in order to fix this vulnerability.

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Written by
Jijith Rajan
Jijith Rajan
Cyber Security Engineer
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