Unauthorized use of application functions in CRM-MKT-MPL, SAP security note 1593110

SAP security note 1593110, "Unauthorized use of application functions in CRM-MKT-MPL", is a program error note released on 08.11.2011. Below are the symptom, SAP recommended solution and the affected software components.

Description

Symptom

A malicious user can execute functions in CRM-MKT-MPL without authentication and authorization.

Solution

1. Refer to note 1520324 and 1551982 for additional information and instructions. The corrections from these notes are a prerequisite for implementation of this note.
2. Implement the correction instructions of this note. This will also create the report BSP_XSRF_PARAM_CRM_MKT_MPL2 in your system.
3. Execute the report BSP_XSRF_PARAM_CRM_MKT_MPL2 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-MKT-ML 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.

Affected components

• BBPCRM 500
• BBPCRM 520
• BBPCRM 600
• BBPCRM 700
• BBPCRM 701