CRITICAL
Rule Definition
An attacker could exploit this to read sensitive data from a table or execute dangerous functions remotely.
Remediation
Add an explicit authorization check before the RFC call
Violation Code Sample
CALL FUNCTION 'RFC_READ_TABLE' DESTINATION 'SAP_SYSTEM'
Fixed Code Sample
AUTHORITY-CHECK OBJECT 'S_RFC'
ID 'RFC_NAME' FIELD 'RFC_READ_TABLE'
ID 'RFC_TYPE' FIELD 'FUGR'.
IF sy-subrc = 0.
CALL FUNCTION 'RFC_READ_TABLE' DESTINATION 'SAP_SYSTEM'.
ELSE.
MESSAGE 'Unauthorized RFC call' TYPE 'E'.
ENDIF.
Reference
https://community.sap.com/t5/application-development-blog-posts/code-vulnerability-analyzer-checks/ba-p/13339467
https://cwe.mitre.org/data/definitions/862.html
https://help.sap.com/doc/abapdocu_752_index_htm/7.52/en-US/abendyn_call_scrty.htm
Related Technologies
Technical Criterion
Secure Coding - Input Validation
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