SAP security note 1497905, "Stored data may be changed or disclosed", is a program error note released on 14.12.2010. Below are the symptom and SAP recommended solution.
Description
Symptom
An attacker can change stored data by making specific entries in the report /IBS/MRB_CUST_DUPLICATE.
Solution
After you implement this note, check whether the whole source code has been turned into a comment. Implement the attached source code corrections.
Reason and prerequisites
The problem is caused by an SQL injection vulnerability. In the source code, an SQL statement is composed out of strings. An attacker can gain control over the content of a substring. As a result, the attacker can manipulate the resulting complete statement and can modify database contents. Therefore, the report must be deactivated.
Full note on SAP: SAP Support Launchpad note 1497905
Detailed exploitation and proof-of-concept material for this note is maintained in the RedRays Security Platform. For access, contact [email protected].