CVE-2017-1496 in Sterling B2B Integrator Standard Edition
Summary
by MITRE
IBM Sterling B2B Integrator Standard Edition 5.2.x 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: 128694.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 01/07/2021
The vulnerability identified as CVE-2017-1496 affects IBM Sterling B2B Integrator Standard Edition version 5.2.x, representing a critical cross-site scripting flaw that compromises the web-based user interface of this enterprise integration platform. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically manifesting as a client-side code injection attack that exploits the application's failure to properly validate and sanitize user input submitted through web forms and URL parameters. The affected system operates within the financial services and enterprise integration domains where sensitive business data flows through the platform, making the security implications particularly severe.
The technical exploitation of this vulnerability occurs when authenticated users can inject malicious JavaScript code into the web interface of IBM Sterling B2B Integrator, which then executes within the context of other users' sessions. This occurs due to insufficient input validation and output encoding mechanisms within the application's web components, allowing attackers to manipulate the application's behavior through crafted payloads. The vulnerability specifically targets the web user interface components where user-supplied data is directly rendered without proper sanitization, creating an environment where malicious scripts can be executed in the browser context of legitimate users who interact with the compromised application.
The operational impact of this vulnerability extends beyond simple script execution, as it enables attackers to hijack user sessions and potentially access sensitive business data, including credentials, transaction details, and integration configuration information. The attack vector leverages the trust relationship between users and the application, allowing malicious actors to perform actions as authenticated users within the B2B integration environment. This creates a significant risk for organizations relying on the platform for critical business processes, as compromised sessions could lead to unauthorized data access, modification of integration workflows, and potential exposure of sensitive business communications. The vulnerability aligns with ATT&CK technique T1059.007 for JavaScript execution and T1531 for account access through session hijacking.
Organizations should implement immediate mitigations including input validation and output encoding controls, regular security patching of the IBM Sterling B2B Integrator platform, and enhanced monitoring of web application traffic for suspicious JavaScript payloads. The implementation of Content Security Policy headers can provide additional defense-in-depth measures to prevent unauthorized script execution within the browser context. Network segmentation and privileged access controls should be enforced to limit the potential impact of successful exploitation, while regular security assessments should verify that input sanitization mechanisms are properly configured. The vulnerability demonstrates the critical importance of validating all user-supplied data and implementing proper output encoding techniques as outlined in OWASP Top Ten security practices and the Defense Advanced Research Projects Agency's cybersecurity frameworks.