Advisory
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 2871877
was released on
24.12.2019 and deals with
"Multiple security vulnerabilities in SAP EAM, add-on for MRO 4.0 by HCL for SAP S/4HANA 1809" within ABAP.
We advice you to follow the instructions, to resolve
missing authorization check
directory traversal (read/write)
with a
high potential for exploitation
in component XX-PART-HCL-EAM.
According to SAP Security Advisory team a workaround does not exist. It is advisable to implement the correction as monthly patch process.
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 specification
This note discribes two vulnerabilities in SAP EAM addon for MRO 4.0 by HCL, allowing an unauthenticated attacker to use functions to which access schould be restricted.Solution
SAP EAM addon for MRO 4.0 by HCM now properly validates the user inputs and performs proper authorization checks.
Affected System
The advisory 2871877 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
- AXONLABS 753_400