On 12.07.2022 a security relevant correction has been released by SAP SE. The manufacturer resolves an issue within ABAP.
SAP Note 3150454 addresses "Information Disclosure vulnerability in SAP NetWeaver Application Server ABAP and ABAP Platform" to prevent information disclosure with a medium risk for exploitation.
A workaround does not exist, according to SAP Security Advisory team. It is advisable to implement the correction as monthly patch process, the team suggests.
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
vulnerabilities before they are implemented in production.
Information disclosure is when an application fails to properly protect sensitive and confidential information from
parties that are not supposed to have access to the subject matter in normal circumstances.
Carefully review every information disclosure vulnerablity in regards to disclosure obligations post-GDPR for ‘Personal data’ under the Data Protection Act 2018.
Risk specificationA high privileged user who has access to transaction SM59 can read connection details stored with the destination for RFC calls in SAP NetWeaver Application Server ABAP and ABAP Platform.
The correction introduces authorization re-validation in case an administrator changes the parameters of an RFC destination, whose values are subject to the underlying authorization check.
The advisory 3150454 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
- SAP_BASIS 700-702 31
- SAP_BASIS 710-711 19
- SAP_BASIS 730 33
- SAP_BASIS 731 40
- SAP_BASIS 740 40
- SAP_BASIS 750-756 13
- 9.0 [CVE-2020-6252] Information Disclosure in SAP Adaptive Server Enterprise (Cockpit)
- 8.9 Information Disclosure in Central Order
- 8.6 [CVE-2020-6264] Information Disclosure in SAP Commerce
- 8.3 [CVE-2022-35228] Information disclosure vulnerability in SAP BusinessObjects Business Intelligence Platform (Central management console)
- 8.3 [CVE-2021-21482] Information Disclosure in SAP NetWeaver Master Data Management