Unauthorized use of application functions in CRM-ANA-SRV-BW, SAP security note 1593314

SAP security note 1593314, "Unauthorized use of application functions in CRM-ANA-SRV-BW". Below are the symptom and SAP recommended solution.

Description

Symptom

A malicious user can execute functions in CRM-ANA-SRV-BW without authentication and authorization.

Solution

1. Refer to Note 1520324 and Note 1551982 for additional information and instructions. The corrections from these notes are a prerequisite for the implementation of this note.
2. Implement the correction instructions of this note. This will also create the report BSP_XSRF_PARAM_CRM_ANA_BW in your system.
3. Execute the report BSP_XSRF_PARAM_CRM_ANA_BW and specify a corresponding transport request number when prompted. The report will activate the XSRF protection for the BSP applications adapted by this note.

Reason and prerequisites

CRM-ANA-SRV-BW executes certain functions by referencing specific URLs. When a malicious user 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 authenticated user. The malicious user may use a cross-site scripting attack to do this, or they may present a link to the victim.