Potential modification or disclosure of data in FSAPPL, SAP security note 1551544

SAP security note 1551544, "Potential modification or disclosure of data in FSAPPL", is a program error note released on 08.03.2011. Below are the symptom and SAP recommended solution.

Description

Symptom

A malicious user can exploit FSAPPL and use specially crafted inputs to modify data-base commands. This results in either the retrieval of additional information, or the modification of data persisted by the system.

Solution

Implement the correction instruction or the corresponding 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.

References

• SAP Note 888889 – Automatic checks for security notes using RSECNOTE (outdated)