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Vahagn Vardanian

Co-founder and CTO of RedRays

Missing authorization-check in BC-SRV-ALV, SAP security note 1854252

SAP Note 1854252

SAP security note 1854252, "Missing authorization-check in BC-SRV-ALV". Below are the symptom, SAP recommended solution and the affected software components.

Description

Symptom

UPDATE 22nd June 2017: This note has been re-released with updated "validity of manual instructions from Release 2006_1_640 to Release PI_BASIS 2005_1_640"

An authenticated user can use functions of BC-SRV-ALV to which access should be restricted. This may result in an escalation of privileges.

Solution

Implement the correction instructions using the Note Assistant or import the relevant Support Package.

This correction causes a side effect described in SAP Note 2065697: SAPRCKAPP01_WAO: Display Materials To Be Costed without result.

Reason and prerequisites

BC-SRV-ALV 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 6.0 Vector: AV:N/AC:M/AU:S/C:P/I:P/A:P

Affected components

  • PI_BASIS: 2005_1_620 to 2005_1_700, 2006_1_620 to 2006_1_710, 701 to 702, 711 to 730, 731, 740

Full note on SAP: SAP Support Launchpad note 1854252

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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