CVE-2018-2379 : Exploit Details and Defense Strategies

SAP HANA Extended Application Services version 1.0 allows unauthorized individuals to verify the validity of a username through error message analysis.

Understanding CVE-2018-2379

In February 2018, CVE-2018-2379 was published, highlighting an information disclosure vulnerability in SAP HANA Extended Application Services version 1.0.

What is CVE-2018-2379?

This CVE refers to a security issue in SAP HANA Extended Application Services 1.0 that enables unauthenticated users to determine the validity of a specific username by examining error messages from a particular endpoint.

The Impact of CVE-2018-2379

The vulnerability could lead to unauthorized disclosure of sensitive information, potentially compromising user data and system security.

Technical Details of CVE-2018-2379

CVE-2018-2379 involves the following technical aspects:

Vulnerability Description

An unauthorized user can exploit error messages to confirm the existence of a username, posing a risk of information disclosure.

Affected Systems and Versions

Product: SAP HANA Extended Application Services
Vendor: SAP SE
Version: 1.0

Exploitation Mechanism

Unauthorized individuals can leverage error messages from a specific endpoint to verify the validity of a username, potentially breaching confidentiality.

Mitigation and Prevention

To address CVE-2018-2379, consider the following steps:

Immediate Steps to Take

Apply security patches provided by SAP promptly.
Monitor system logs for any suspicious activities related to username validation.

Long-Term Security Practices

Implement strict access controls to limit unauthorized user interactions.
Conduct regular security audits and assessments to identify and mitigate similar vulnerabilities.

Patching and Updates

Regularly update and patch SAP HANA Extended Application Services to ensure the latest security fixes are in place.