CVE-2019-0243 : Security Advisory and Response

CVE-2019-0243 was published on January 8, 2019, and affects SAP BW/4HANA (DW4CORE) versions below 1.0 (SP08). The vulnerability involves a lack of essential authorization checks during masterdata maintenance, potentially leading to unauthorized privilege escalation.

Understanding CVE-2019-0243

This CVE entry highlights a security issue in SAP BW/4HANA that could result in unintended privilege escalation due to missing authorization checks.

What is CVE-2019-0243?

The vulnerability in SAP BW/4HANA (DW4CORE) version below 1.0 (SP08) allows authenticated users to bypass necessary authorization checks during masterdata maintenance, leading to an increase in user privileges.

The Impact of CVE-2019-0243

The vulnerability could be exploited by malicious actors to gain unauthorized access and potentially manipulate sensitive data within the affected SAP environment.

Technical Details of CVE-2019-0243

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The issue arises from a lack of proper authorization checks during masterdata maintenance in SAP BW/4HANA (DW4CORE) version below 1.0 (SP08), enabling users to elevate their privileges.

Affected Systems and Versions

Product: SAP BW/4HANA (DW4CORE)
Vendor: SAP SE
Versions Affected: < 1.0 (SP08)

Exploitation Mechanism

Unauthorized users can exploit this vulnerability by performing masterdata maintenance activities without the necessary authorization checks, leading to an unintended increase in user privileges.

Mitigation and Prevention

To address CVE-2019-0243 and enhance security, follow these mitigation strategies:

Immediate Steps to Take

Apply the necessary security patches provided by SAP.
Monitor user activities and privilege changes within the SAP BW/4HANA environment.

Long-Term Security Practices

Regularly review and update authorization policies and roles.
Conduct security training for users to raise awareness of potential risks and best practices.

Patching and Updates

Ensure that the SAP BW/4HANA (DW4CORE) version is updated to at least 1.0 (SP08) to mitigate the vulnerability.