Advisory
A note with CVSS 4.7 for component BC-MID-ICF was released by SAP on 13.09.2022. The correction/advisory 3198137 was described with "Update 1 to Security Note 3165333 - [CVE-2022-28215] URL Redirection vulnerability in SAP NetWeaver ABAP Server and ABAP Platform" and affects the system type ABAP.
A workaround does not exist, according to SAP Security Advisory team. It is advisable to implement the correction as monthly patch process.
The vulnerability addressed is url redirection vulnerability within ABAP.
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 NetWeaver ABAP Server and ABAP Platform allows an unauthenticated attacker to redirect users to a malicious site due to insufficient URL validation.Solution
The application now properly checks the redirection URL before sending it before crafting the response and thereby suppress this type of attack.
Affected System
The advisory 3198137 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
- 6.5 [CVE-2023-23855] URL Redirection vulnerability in SAP Solution Manager
- 6.1 [CVE-2022-41275] Offener Redirect in SAP Solutions Manager (Enterprise Search)
- 6.1 Multiple Vulnerabilities in URI.js bundled with SAPUI5
- 6.1 [CVE-2022-41207] URL Redirection vulnerability in SAP Biller Direct
- 6.1 [CVE-2021-33707] URL Redirection vulnerability in SAP NetWeaver (Knowledge Management)