CVE-2019-4075 in Sterling B2B Integrator Standard Edition
Summary
by MITRE
IBM Sterling B2B Integrator Standard Edition 6.0.0.0 and 6.0.0.1 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 157109.
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Analysis
by VulDB Data Team • 09/07/2023
The vulnerability identified as CVE-2019-4075 affects IBM Sterling B2B Integrator Standard Edition versions 6.0.0.0 and 6.0.0.1, representing a critical cross-site scripting flaw that undermines the security posture of this enterprise integration platform. This vulnerability resides within the web-based user interface of the software, creating an attack vector that allows malicious actors to inject malicious JavaScript code into the application's response. The flaw specifically manifests when the application fails to properly sanitize user-supplied input before rendering it within the web interface, creating an environment where attacker-controlled content can be executed in the context of authenticated users' sessions.
The technical nature of this vulnerability aligns with CWE-79, which categorizes cross-site scripting as a code injection flaw where untrusted data is embedded into web pages viewed by other users. In the context of IBM Sterling B2B Integrator, this vulnerability operates at the application layer where user input is processed and displayed without adequate sanitization mechanisms. The attack surface includes any web interface elements that accept user input, particularly those involved in configuration parameters, message routing, or user management functions that might be manipulated to include malicious script payloads.
The operational impact of this vulnerability extends beyond simple script execution, as it creates conditions for session hijacking and credential theft within trusted environments. When authenticated users interact with the compromised web interface, their sessions become vulnerable to manipulation where attackers can execute JavaScript code that captures session tokens, credentials, or other sensitive information. This represents a significant risk in enterprise environments where the B2B Integrator handles sensitive business transactions and data exchanges, as the vulnerability could enable unauthorized access to critical integration workflows and business data. The threat model aligns with ATT&CK technique T1531 which focuses on code injection attacks targeting web applications.
Mitigation strategies for CVE-2019-4075 should prioritize immediate patch application from IBM, as the vendor has released security fixes addressing this specific vulnerability. Organizations should implement comprehensive input validation and output encoding mechanisms throughout the web application to prevent malicious code injection. Network segmentation and access controls should be enhanced to limit exposure of the affected system to untrusted networks. Security monitoring should be strengthened to detect anomalous user behavior patterns that might indicate exploitation attempts. Additionally, regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in the broader integration ecosystem, particularly given the interconnected nature of B2B integration platforms that often handle sensitive financial and operational data exchanges.