CVE-2018-1718 in Sterling B2B Integrator Standard Edition
Summary
by MITRE
IBM Sterling B2B Integrator Standard Edition 5.2.0.1 - 5.2.6.3 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: 147166.
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Analysis
by VulDB Data Team • 04/27/2023
The vulnerability identified as CVE-2018-1718 affects IBM Sterling B2B Integrator Standard Edition versions 5.2.0.1 through 5.2.6.3, representing a critical cross-site scripting flaw that undermines the security posture of this enterprise integration platform. This vulnerability resides within the web user interface component of the software, creating an attack vector that enables malicious actors to inject malicious JavaScript code into the application's response. The flaw specifically manifests when the application fails to properly sanitize user input before rendering it within the web interface, allowing attackers to manipulate the application's behavior through crafted payloads.
The technical implementation of this vulnerability follows the classic cross-site scripting pattern where user-supplied data is directly incorporated into dynamic web content without adequate validation or encoding. IBM Sterling B2B Integrator's web interface likely processes parameters, form fields, or other user-controllable inputs without sufficient sanitization mechanisms, creating opportunities for attackers to embed malicious scripts that execute in the context of authenticated users' sessions. This weakness aligns with CWE-79 which categorizes cross-site scripting vulnerabilities as a result of inadequate input validation and output encoding in web applications. The vulnerability's classification as a persistent or reflected XSS attack depends on how the input is processed and displayed within the application's interface.
The operational impact of this vulnerability extends beyond simple script execution, as it can lead to complete session hijacking and credential theft within trusted user sessions. When authenticated users interact with the compromised interface, malicious JavaScript code can access session cookies, form data, and other sensitive information that the application handles. Attackers can leverage this vulnerability to steal user credentials, modify transaction data, or redirect users to malicious sites that appear legitimate within the trusted domain context. This capability directly violates the principle of least privilege and can result in unauthorized access to business-critical integration workflows, potentially compromising the entire supply chain integration ecosystem. The vulnerability also aligns with ATT&CK technique T1539 which describes credentials harvesting through web application attacks.
Mitigation strategies for this vulnerability should encompass both immediate remediation and long-term architectural improvements. Organizations should prioritize applying the vendor-provided security patches or updates that address the XSS vulnerability in IBM Sterling B2B Integrator. Additionally, implementing robust input validation and output encoding mechanisms within the web application framework can prevent similar issues from occurring in other components. Network-based protections such as web application firewalls and content security policies can provide additional defense-in-depth layers. Security teams should also conduct comprehensive vulnerability assessments of the entire integration platform, as the presence of one XSS vulnerability may indicate broader input validation issues. Regular security testing including dynamic application security testing and manual penetration testing should be implemented to identify and remediate similar vulnerabilities in the application's codebase. The remediation approach should follow secure coding practices that align with OWASP Top Ten security recommendations and NIST guidelines for web application security.