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Vahagn Vardanian

Co-founder and CTO of RedRays

Missing authorization check in SAP Background Processing, SAP security note 1918333

SAP Note 1918333

SAP security note 1918333, "Missing authorization check in SAP Background Processing", is a note. Below are the symptom and SAP recommended solution.

Description

Symptom

An authenticated user can use functions of SAP Background Processing to which access should be restricted. This may result in an escalation of privileges.

Solution

Authorization check on S_RZL_ADM is added to these functions.

Read and write access is checked for activity “01”; read-only access in case of an access through an RFC connection checks for activity “03”.

Please implement the support package mentioned in this note or apply the respective correction instruction. For the correction instructions, security note 1917381 is a mandatory pre-condition.

Reason and prerequisites

SAP Background Processing does not contain authorization checks for checking an authenticated user’s authorization to access some of its functions. This may result in undesired system behavior.

CVSS

Score 3.5 Vector: AV:N/AC:M/AU:S/C:P/I:N/A:N

Full note on SAP: SAP Support Launchpad note 1918333

Detailed exploitation and proof-of-concept material for this note is maintained in the RedRays Security Platform. For access, contact [email protected].

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