SAP takes the security of its vast product portfolio very seriously and thus releases security fixes for
vulnerabilities reported by external researchers and their customers every second Tuesday of the month.
SAP Note 2951325
was released on
08.09.2020 and deals with
"[CVE-2020-6311] Improper Authorization Checks in Banking services from SAP Bank Analyzer and SAP S/4HANA Financial Products" within ABAP.
We advice you to follow the instructions, to resolve
missing authorization check
medium potential for exploitation
in component FS-BA-PM-SFA.
According to SAP Security Advisory team a workaround does not exist. It is advisable to implement the correction as project.
Missing authority checks are still the most common security defect related to authorizations in custom code. Since SAP uses an explicit authorization model, an authority checks must be coded in order to be executed. If an explicit check is not coded, all users have access. This type of vulnerability not only exists in SAP standard it also exists in customer coding. Check your custom developments for vulnerabilities that pose a risk to your systems. SecurityBridge helps detect code vulnerabilities before they are implemented in production.
Risk specificationThis note has been re-released with updated 'Correction instruction' information for the release FSAPPL500 - Banking services from SAP Bank Analyzer and SAP S/4HANA Financial Products does not correctly perform necessary authorization checks for an authenticated user, that may cause a system administrator to create incorrect authorization proposals on certain fields.
The authorization object F_BABR_BAS has bee nextended with a new activity '01'. The affected code has been updated to properly enforce the authorization checks.
The advisory 2951325 describes a problem within an ABAP based systems of a specific version. Affected versions are described below. ABAP software is deployed in various software components and is widely used within the SAP product portfolio.
SAP NetWeaver Application Server (formally known as SAP Web Application Server) is a building block of SAP NetWeaver. It is the foundation for most software products developed by SAP SE. SAP NetWeaver systems exist with Java and/or ABAP stacks. The advisory could be relevant for single and dual-stack ABAP installations.
The advisory is valid for
- 10.0 [Multiple CVE IDs] Missing Authentication Check in SAP Solution Manager (JAVA stack)
- 9.6 [CVE-2020-6320] Improper Access Control in SAP Marketing (Mobile Channel Servlet)
- 8.5 [CVE-2020-26837] Multiple Vulnerabilities in SAP Solution Manager 7.2 (User Experience Monitoring)
- 8.1 [CVE-2020-6279] Missing Authorization Check in SAP SuccessFactors Recruiting
- 7.6 [CVE-2020-26832] Missing Authorization check in SAP NetWeaver AS ABAP and SAP S4 HANA (SAP Landscape Transformation)