To solve the lab, use an external DTD to trigger an error message that displays the contents of the /etc/passwd file. The lab contains a link to an exploit server on a different domain where you can…

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The lab provides a 'Check stock' feature that parses XML input but does not display the result. By using an external DTD, you can trigger an error message that reveals the contents of the /etc/passwd file. The solution involves visiting an exploit server and following specific steps.

11.6 Lab: Exploiting blind XXE to retrieve data via error messages

11.6 Lab: Exploiting blind XXE to retrieve data via error messages | 2024