Medium Severity
Affected system
ABAP

CVSS
6.3

Component
XX-CSC-EG-FI
Patchday
2020-04
Released on
2020/04/14
SAP Note
2864966
Workaround exist
No
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SB-Integration  INACTIVE

Integration with SAP is currently inactive.

 

Advisory

The advisory for ABAP adresses a "[CVE-2020-6212] Missing Authorization Check in SAP ERP & S/4 HANA (Egypt localized Withholding Tax reports)". SAP Note 2864966 was released on 14.04.2020 and should be implemented during monthly patch process . The implementation demands a downtime. Component XX-CSC-EG-FI has a medium risk of exploitation, according to the manufacturers security and response team.

Following the SAP Security Advisory team, a workaround does not exist.

Risk specification

Egypt localized withholding tax reports (SAP ERP & S/4 HANA) 'Clearing of Liabilities ' and 'Remittance Statement and Summary' do not perform necessary authorization checks for an authenticated user, leading to privilege escalation allowing reading or modification of some tax reports.

Solution

Company code authorization check over the localized Egypt withholding tax reports 'Clearing of Liabilities' and 'Remittance Statement and Summary'have been added by using the object F_BKPF_BUK

Affected System

The advisory 2864966 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

 

Disclaimer

ABEX takes the security of SAP products very seriously. We very much encourage the responsible disclosure of security vulnerabilities. If you have detected a vulnerability in one of the SAP software products – either in the latest or in a former product version follow the guidelines and processes in accordance with the SAP portal page “Report a Security Vulnerability to SAP”.

The advisories found within the ABEX security advisory are generated and continuously enriched by ABEX and affiliated security consultants, partners, customers of the SecurityBridge security suite, SAP support, and advisory groups.

There is no disclosure of zero-day vulnerabilities. In such case, the platform only provides details on which version or signature updates are available within the SecurityBridge platform in order to monitor or measure the vulnerability

In accordance with SAP guidelines, ABEX only discloses issues where the fixing security note has been released at least three months ago. The vulnerability platform makes no references to available exploits or Proof of Concepts (PoC). Advisories and vulnerabilities will always mention the fixing security note or hints to the corresponding SAP documentation.

 

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