Advisory
On 14.07.2020 a security relevant correction has been released by SAP SE. The manufacturer resolves an issue within ABAP.
SAP Note 2927373 addresses "[CVE-2020-6280] Information Disclosure in SAP NetWeaver (ABAP Server) and ABAP Platform" to prevent information disclosure with a low 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
SAP NetWeaver (ABAP Server) and ABAP Platform allows an attacker with admin privileges to access certain files which should otherwise be restricted.Solution
The application now properly checks for the access of blacklisted directories.
Affected System
The advisory 2927373 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_BASIS 731 78
- SAP_BASIS 740 81
- SAP_BASIS 750-754 11
- 7.5 [CVE-2020-26809] Information Disclosure in SAP Commerce Cloud
- 7.0 [CVE-2020-6295] Information Disclosure in SAP Adaptive Server Enterprise
- 6.5 Information Disclosure in Supplier Relationship Management
- 6.3 [CVE-2020-6297] Information Disclosure in SAP Data Intelligence
- 5.3 [CVE-2024-28163] Information Disclosure vulnerability in SAP NetWeaver Process Integration (Support Web Pages)
