Unauthorized usage of application functionality in QM, SAP security note 1506243

SAP security note 1506243, “Unauthorized usage of application functionality in QM”, is a note. Below are the symptom, reason and prerequisites and SAP recommended solution.

Description

Symptom

A malicious user can trigger functionality in QM without authentication and authorization.

Solution

• Refer to SAP Note 1481392 for additional information and instructions. The corrections from SAP Note 1481392 are a prerequisite for the implementation of this note.
• Implement the correction instructions of this note. This will also create the report ITS_XSRF_PARAM_QM in your system.
• Execute the report ITS_XSRF_PARAM_QM and specify a corresponding transport request number when requested. The report will add service parameters for the adapted ITS services (maintained via the GUI configuration pushbutton for a service within transaction SICF).

Reason and prerequisites

QM executes certain functions through referencing specific URLs. When an attacker tricks an authenticated user's browser into making a request containing a certain URL and specific parameters, the function is executed with the rights of the user. If present, the attacker may use a Cross Site Scripting attack to trigger the exploit, or use an approach in which a link to click is presented to the victim.