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 2067220
was released on
08.08.2023 and deals with
"[CVE-2023-39436] Information Disclosure in SAP Supplier Relationship Management" within ABAP.
We advice you to follow the instructions, to resolve
information disclosure
with a
medium potential for exploitation
in component SRM-EBP-ADM-XBP.
According to SAP Security Advisory team a workaround exists. It is advisable to implement the correction as project***.
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
SAP Supplier Relationship Management allows an unauthorized attacker to discover information relating to SRM within Vendor Master Data for Business Partners replication functionality.Solution
Additional authorization checks are introduced via the Switchable Authorization Framework (SACF) for Scenarios BBP_VENDOR_GET ( Scenario for Vendors & Plants) , BBP_VENDOR_GET_DATA2 Alternativly, the consulting team has proposed the following: "Maintain strict governance on object S_RFC (no "*" in function groups or names) in all user roles. Alternatively, implement UCON and switch off remote capability of unused function modules.". The suggestion may be considered, as a workaround or compensating mitigation. We recommend installing/applying the correction wherever possible and as soon as possible. Base your decision on whether or not to apply the patch on your companies and systems risk perspective and consider the provided CVSS 5.8 score.
Affected System
The advisory 2067220 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
- SAP_APPL 600 18
- SAP_APPL 602 18
- SAP_APPL 603 18
- SAP_APPL 604 18
- SAP_APPL 605 19
- SAP_APPL 606 18
- SAP_APPL 616 14
- SAP_APPL 617 15
- 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
