Advisory
On 13.08.2024 a security relevant correction has been released by SAP SE. The manufacturer resolves an issue within ABAP.
SAP Note 3479293 addresses "[CVE-2024-42373] Missing Authorization Check in SAP Student Life Cycle Management (SLcM)" to prevent missing authorization check with a medium risk for exploitation.
A workaround does exist, according to SAP Security Advisory team. It is advisable to implement the correction as part of maintenance, 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 detect code vulnerabilities before they are implemented in production.
Risk specification
This note has been re-released with updated 'Symptom' and 'Reason and Prerequisites' information. SAP Student Life Cycle Management (SLcM) allows an authenticated attacker to delete non-sensitive report variants that are typically restricted impacting the integrity of the application.Solution
Missing authorization checks were added in the affected functions. Circumstances exist that prevent the timely installation of a patch provided by the manufacturer. In such cases, you may consider applying the suggested workaround as a temporary or compensating mitigation: "Update in progress".
Affected System
The advisory 3479293 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
- IS-PS-CA 617 3
- IS-PS-CA 618 3
- IS-PS-CA 802 3
- IS-PS-CA 803 3
- IS-PS-CA 804 3
- IS-PS-CA 805 3
- IS-PS-CA 806 3
- IS-PS-CA 807 3
- IS-PS-CA 808 3
- 6.5 [CVE-2024-42376] Multiple Missing Authorization Check vulnerabilities in SAP Shared Service Framework
- 6.3 [CVE-2024-33005] Missing Authorization check in SAP NetWeaver Application Server (ABAP and Java),SAP Web Dispatcher and SAP Content Server.
- 4.3 [CVE-2024-41734] Missing Authorization check in SAP NetWeaver Application Server ABAP and ABAP Platform
- 4.3 [CVE-2024-39591] Missing Authorization check in SAP Document Builder
