CVE-2023-41368 : Security Advisory and Response

A detailed overview of CVE-2023-41368 affecting S4 HANA (Manage checkbook apps) by allowing an attacker to change the checkbook name through an unauthorized OData call.

Understanding CVE-2023-41368

This section delves into the vulnerability, impact, technical details, and mitigation strategies related to CVE-2023-41368.

What is CVE-2023-41368?

The OData service of the S4 HANA (Manage checkbook apps) - versions 102, 103, 104, 105, 106, 107 allows an attacker to change the checkbook name by simulating an update OData call.

The Impact of CVE-2023-41368

The vulnerability poses a low severity threat with the attacker requiring high privileges to exploit the system. It can lead to unauthorized modifications to sensitive data, impacting data integrity.

Technical Details of CVE-2023-41368

This section explores the specific details of the vulnerability affecting S4 HANA (Manage checkbook apps).

Vulnerability Description

The OData service vulnerability enables an attacker to alter the checkbook name by executing a simulated update OData call, potentially leading to unauthorized data modifications.

Affected Systems and Versions

The affected systems include S4 HANA (Manage checkbook apps) versions 102, 103, 104, 105, 106, 107, leaving them susceptible to unauthorized data manipulation.

Exploitation Mechanism

The vulnerability leverages an insecure direct object reference (IDOR) in the OData service, allowing the attacker to bypass authorization controls through a simulated update call.

Mitigation and Prevention

This section outlines the necessary steps to mitigate the risk associated with CVE-2023-41368 and prevent potential security breaches.

Immediate Steps to Take

Implement strict access controls, conduct regular security assessments, and monitor OData service activities to detect and prevent unauthorized changes to checkbook names.

Long-Term Security Practices

Enforce the principle of least privilege, regularly update system patches, provide security awareness training to users, and monitor OData service logs for suspicious activities.

Patching and Updates

Apply security patches released by SAP for S4 HANA (Manage checkbook apps) versions 102, 103, 104, 105, 106, 107 to address the vulnerability and enhance system security.