CVE-2019-4029 in Sterling B2B Integrator
Summary
by MITRE
IBM Sterling B2B Integrator 5.2.0.1 through 6.0.0.0 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: 155907.
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Analysis
by VulDB Data Team • 07/26/2023
IBM Sterling B2B Integrator versions 5.2.0.1 through 6.0.0.0 contain a cross-site scripting vulnerability that represents a critical security weakness in the web-based user interface. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically manifesting as a client-side code injection flaw that enables attackers to execute malicious scripts within the context of a user's browser session. The vulnerability exists due to insufficient input validation and output encoding mechanisms within the web application's user interface components, allowing malicious actors to inject JavaScript code through user-controllable input fields or parameters.
The operational impact of this vulnerability is severe as it enables attackers to manipulate the intended functionality of the application by executing arbitrary JavaScript code within the victim's browser. When a user interacts with the compromised web interface, the injected scripts can capture session cookies, credentials, or other sensitive information transmitted within the trusted session context. This creates a significant risk of credential theft and session hijacking attacks, as the malicious code operates within the same security context as legitimate user sessions. The vulnerability specifically targets the web UI components of the B2B integrator platform, making it particularly dangerous for organizations that rely heavily on web-based administrative functions.
The attack vector typically involves an attacker crafting malicious input containing JavaScript payloads that are then processed and rendered by the vulnerable web application without proper sanitization. This allows the injected scripts to execute in the victim's browser when they access the compromised interface, potentially stealing authentication tokens, modifying application behavior, or redirecting users to malicious sites. The vulnerability's impact extends beyond simple data theft, as it can enable further attacks including privilege escalation and lateral movement within the network. Organizations using IBM Sterling B2B Integrator within their business-to-business integration workflows face increased risk of supply chain attacks and data breaches when this vulnerability remains unpatched.
IBM has addressed this vulnerability through security updates and patches released as part of their regular maintenance cycle. Organizations should immediately implement the recommended security fixes and ensure all instances of the affected software are updated to the latest patched versions. Additional mitigations include implementing web application firewalls, monitoring for suspicious user activity, and conducting regular security assessments of the web interface components. The vulnerability demonstrates the importance of input validation and output encoding practices in web applications, aligning with ATT&CK technique T1059.007 for script injection attacks and highlighting the need for comprehensive security controls in enterprise integration platforms.