Potential disclosure of perstisted data in CRM-ISA-TEC, SAP security note 1601509

SAP security note 1601509, “Potential disclosure of persisted data in CRM-ISA-TEC”, is a program error note released on 08.11.2011. Below are the symptom and SAP recommended solution.

Description

Symptom

A malicious user can potentially exploit the Dynamic UI Persistency of CRM Web Channel and use specially crafted inputs to modify database commands. This results in either the retrieval of additional information or the modification of data persisted by the system.

Solution

For correction, apply the correction instructions of the note that is available for your support package.

Reason and prerequisites

The problem is caused by an SQL injection vulnerability. The code composes an SQL statement that contains strings that can be altered by a malicious user. The manipulated SQL statement can then be used to retrieve additional data from the database or to modify the data.