CVE-2019-0238 : Security Advisory and Response

SAP Commerce (formerly SAP Hybris Commerce) versions prior to 6.7 are vulnerable to Cross-Site Scripting (XSS) due to inadequate encoding of user inputs.

Understanding CVE-2019-0238

This CVE highlights a security flaw in SAP Commerce that could allow attackers to execute malicious scripts in the context of a user's browser.

What is CVE-2019-0238?

CVE-2019-0238 is a Cross-Site Scripting vulnerability in SAP Commerce, previously known as SAP Hybris Commerce, before version 6.7. It arises from insufficient input encoding.

The Impact of CVE-2019-0238

The vulnerability could be exploited by attackers to inject and execute malicious scripts on the affected SAP Commerce instances, potentially leading to unauthorized access or data theft.

Technical Details of CVE-2019-0238

SAP Commerce's vulnerability to XSS due to improper input encoding.

Vulnerability Description

Prior to version 6.7, SAP Commerce fails to adequately encode user-controlled inputs, enabling XSS attacks.

Affected Systems and Versions

Product: SAP Commerce (ex. SAP Hybris Commerce)
Vendor: SAP SE
Versions Affected: < 6.7

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into user inputs, which are not properly encoded, leading to XSS attacks.

Mitigation and Prevention

Steps to address and prevent the CVE-2019-0238 vulnerability.

Immediate Steps to Take

Upgrade SAP Commerce to version 6.7 or higher to mitigate the XSS risk.
Implement input validation and encoding mechanisms to sanitize user inputs.
Regularly monitor and audit web applications for any suspicious activities.

Long-Term Security Practices

Conduct regular security training for developers to raise awareness of secure coding practices.
Employ web application firewalls (WAFs) to filter and block malicious traffic.
Stay informed about security updates and best practices to enhance overall cybersecurity posture.

Patching and Updates

Apply security patches and updates provided by SAP to address vulnerabilities and enhance system security.