A note with CVSS 8.7 for component BW-BCT-GEN was released by SAP on 11.04.2023. The correction/advisory 3305907 was described with "[CVE-2023-29186] Directory Traversal vulnerability in SAP NetWeaver ( BI CONT ADD ON)" and affects the system type ABAP.
A workaround does not exist, according to SAP Security Advisory team. It is advisable to implement the correction as part of maintenance.
The vulnerability addressed is directory traversal (write) within ABAP.
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 specificationAn authenticated attacker can exploit a Directory Traversal vulnerability in a report to upload and overwrite files on the SAP server.
The vulnerable application has been deactivated as it was not used in BI_CONT.
The advisory 3305907 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
- BI_CONT 707
- BI_CONT 737
- BI_CONT 747
- BI_CONT 757