Advisory
On 12.03.2024 a security relevant correction has been released by SAP SE. The manufacturer resolves an issue within ABAP.
SAP Note 3417399 addresses "[CVE-2024-22133] Improper Access Control in SAP Fiori Front End Server" 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
detect code
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 specification
A vulnerability in the SAP Fiori Front End Server enables an attacker to modify approver details in read-only fields during the submission of leave requests, leading to the creation of requests with incorrect approvers.Solution
The SAP Fiori Front End Server has been enhanced with an approver validation feature, which is based on the backend configuration for read-only approver fields, to prevent alteration of approver details.
Affected System
The advisory 3417399 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
- 9.9 [CVE-2023-40622] Information Disclosure vulnerability in SAP BusinessObjects Business Intelligence Platform (Promotion Management)
- 9.8 [CVE-2023-28765] Information Disclosure vulnerability in SAP BusinessObjects Business Intelligence Platform (Promotion Management )
- 9.1 [CVE-2023-28762] Information Disclosure in SAP BusinessObjects Business Intelligence Platform (Central Management Console)
- 9.0 [CVE-2020-6252] Information Disclosure in SAP Adaptive Server Enterprise (Cockpit)
- 8.9 Information Disclosure in Central Order