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 3355675
was released on
12.09.2023 and deals with
"[CVE-2023-41368] Insecure Direct Object Reference (IDOR) vulnerability in SAP S/4HANA (Manage checkbook apps)" within ABAP.
We advice you to follow the instructions, to resolve
information disclosure
with a
low potential for exploitation
in component FI-FIO-AP-CHK.
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.
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
OData service in Manage Checkbooks allows an authenticated attacker to change checkbook names by creating an oData Update call resulting in an information disclosure vulnerability.Solution
The Manage Checkbooks application no longer allows an attacker to change values of non-editable fields via an oData request.
Affected System
The advisory 3355675 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
- S4CORE 102 46
- S4CORE 103 49
- S4CORE 104 45
- S4CORE 105 33
- S4CORE 106 23
- S4CORE 107 17
- 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
