Advisory
On 01.02.2024 a security relevant correction has been released by SAP SE. The manufacturer resolves an issue within ABAP.
SAP Note 2897391 addresses "[CVE-2024-24741] Missing Authorization check in SAP Master Data Governance Material" to prevent missing authorization check 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 detect code vulnerabilities before they are implemented in production.
Risk specification
SAP Master Data Governance for Material Data does not perform necessary authorization check for an authenticated user, resulting in escalation of privileges. This could allow an attacker to read some sensitive information.Solution
An additional authorization check was introduces and SAP Master Data Integration properly checks for the authorization of the user now.
Affected System
The advisory 2897391 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
- MDG_APPL 618
- MDG_APPL 619
- MDG_APPL 620
- MDG_APPL 621
- MDG_APPL 622
- MDG_APPL 800
- MDG_APPL 801
- MDG_APPL 802
- MDG_APPL 803
- MDG_APPL 804
- 10.0 [CVE-2021-37535] Missing Authorization check in SAP NetWeaver Application Server for Java (JMS Connector Service)
- 10.0 [Multiple CVE IDs] Missing Authentication Check in SAP Solution Manager (JAVA stack)
- 9.8 [CVE-2023-40309] Missing Authorization check in SAP CommonCryptoLib
- 9.6 [CVE-2023-31403] Improper Access Control vulnerability in SAP Business One product installation
- 9.6 [CVE-2024-33006] File upload vulnerability in SAP NetWeaver Application Server ABAP and ABAP Platform