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Support Article

Horizontal privilege escalation

SA-69766

Summary



When a request is intercepted through an interceptor and the request parameter user ID updated, the label change reflects on the user portal.


Error Messages



Not Applicable


Steps to Reproduce

  1. Log in to the application using the Pharmacist account.
  2. Click My Profile.
  3. Capture the request through the proxy interceptor.
  4. Modify the preActivityParams parameter in the request.
  5. Replace UserID%3Astgcallct with UserID%3Astgcallctrmgr. Manager profile displays with the user (Pharmacist) account.

Root Cause



The user name was sent as a parameter in the generated request making it susceptible to Cross-Site Scripting (XSS). As a result, the username was changed and details of other users was retrieved.


Resolution



Apply HFix-48989.
Suggest Edit

Published January 3, 2019 - Updated October 8, 2020

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