CVE-2020-4668 in Sterling B2B Integrator Standard Edition
Summary
by MITRE • 04/08/2022
IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5, 6.1.0.0 through 6.1.0.3, and 6.1.1.0 is vulnerable to cross-site request forgery which could allow an attacker to execute malicious and unauthorized actions transmitted from a user that the website trusts. IBM X-Force ID: 186283.
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Analysis
by VulDB Data Team • 04/13/2022
The vulnerability identified as CVE-2020-4668 affects IBM Sterling B2B Integrator Standard Edition across multiple version ranges, presenting a critical cross-site request forgery flaw that undermines the system's security posture. This issue specifically impacts the web-based administrative interface of the integration platform, which serves as a central management point for business-to-business transactions and data exchange processes. The affected versions include 6.0.0.0 through 6.0.3.5, 6.1.0.0 through 6.1.0.3, and 6.1.1.0, indicating a widespread vulnerability affecting the core business integration capabilities of IBM's platform. The flaw exists within the web application's session management and request validation mechanisms, creating a pathway for malicious actors to exploit trust relationships between users and the application.
Cross-site request forgery represents a sophisticated attack vector where an attacker crafts malicious requests that appear to originate from a legitimate authenticated user, exploiting the trust relationship between the web application and the user's browser. In the context of IBM Sterling B2B Integrator, this vulnerability allows an attacker to perform unauthorized operations such as modifying user permissions, creating new user accounts, altering integration configurations, or executing business transactions without proper authorization. The attack typically involves tricking a victim into clicking on a malicious link or visiting a compromised website while maintaining an active session with the vulnerable application, causing the application to process requests as if they were initiated by the legitimate user. This vulnerability directly maps to CWE-352, which categorizes cross-site request forgery as a well-known weakness in web application security, and aligns with ATT&CK technique T1531 which covers "Modify System Image" through manipulation of web application interfaces.
The operational impact of this vulnerability extends beyond simple unauthorized access, as IBM Sterling B2B Integrator serves as a critical component in enterprise integration environments where it manages sensitive business data exchanges and transaction processing. An attacker exploiting this CSRF vulnerability could potentially disrupt business operations by modifying integration workflows, compromising data integrity, or gaining unauthorized access to confidential business information. The attack could lead to significant financial losses through unauthorized transactions, operational disruptions in supply chain processes, and potential compliance violations in regulated industries. Organizations using this platform may face reputational damage and regulatory scrutiny if such attacks result in data breaches or service interruptions, particularly in sectors requiring strict compliance with data protection regulations and industry standards such as SOX, HIPAA, or PCI DSS. The vulnerability's impact is amplified by the fact that it affects the standard edition of the platform, which is widely deployed in enterprise environments where integration security is paramount.
Organizations should implement immediate mitigations including the deployment of web application firewalls, implementation of anti-CSRF tokens in all state-changing requests, and enforcement of proper session management controls. The recommended approach involves adding unique, unpredictable tokens to each request that requires user authentication and ensuring these tokens are validated server-side before processing any transaction. Additionally, implementing proper content security policies and ensuring that the application enforces same-site cookies can significantly reduce the attack surface. IBM has released patches and updates to address this vulnerability, and organizations should prioritize applying these security updates to their deployments. Regular security assessments and penetration testing should be conducted to verify that the mitigations are properly implemented and that no other similar vulnerabilities exist within the platform's web interface components. The remediation process should also include security awareness training for administrators to recognize and prevent social engineering attacks that may exploit this vulnerability.