CVE-2021-38928 : Security Advisory and Response

A detailed article outlining the CVE-2021-38928 vulnerability in IBM Sterling B2B Integrator Standard Edition, its impact, technical details, and mitigation steps.

Understanding CVE-2021-38928

This section provides an overview of the CVE-2021-38928 vulnerability affecting IBM Sterling B2B Integrator Standard Edition.

What is CVE-2021-38928?

The CVE-2021-38928 vulnerability affects versions 6.0.0.0 through 6.1.2.1 of IBM Sterling B2B Integrator Standard Edition. It involves the improper implementation of Cross-Origin Resource Sharing (CORS), allowing attackers to perform privileged actions and access sensitive information by bypassing domain restrictions.

The Impact of CVE-2021-38928

The vulnerability can result in unauthorized access to sensitive data, exploitation of user privileges, and potential malicious actions by threat actors. It poses a medium severity risk with a CVSS base score of 5.4.

Technical Details of CVE-2021-38928

This section delves into the specific technical aspects of the CVE-2021-38928 vulnerability.

Vulnerability Description

IBM Sterling B2B Integrator Standard Edition's improper CORS implementation enables attackers to execute actions and retrieve confidential information due to the lack of domain restriction enforcement.

Affected Systems and Versions

IBM Sterling B2B Integrator Standard Edition versions 6.0.0.0 through 6.1.2.1 are impacted by this CVE.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious requests that bypass CORS restrictions, gaining unauthorized access and performing privileged actions.

Mitigation and Prevention

This section covers the necessary steps to mitigate and prevent the CVE-2021-38928 vulnerability in IBM Sterling B2B Integrator Standard Edition.

Immediate Steps to Take

Organizations should update their systems to versions beyond 6.1.2.1 to address the vulnerability and enhance security posture.

Long-Term Security Practices

Implement robust CORS policies, regularly monitor for unauthorized access attempts, and conduct security assessments to prevent similar exploits.

Patching and Updates

Stay informed about security advisories from IBM, apply patches promptly, and maintain an up-to-date security posture to safeguard against potential threats.