CVE-2018-1382 in API Connect
Summary
by MITRE
IBM API Connect 5.0.0.0 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: 138079.
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Analysis
by VulDB Data Team • 02/02/2021
The vulnerability identified as CVE-2018-1382 affects IBM API Connect version 5.0.0.0 and represents a critical cross-site scripting flaw that undermines the security of the web-based management interface. This weakness enables malicious actors to inject arbitrary JavaScript code into the application's user interface, fundamentally compromising the integrity of the system's web components. The vulnerability resides within the web user interface layer where input validation mechanisms fail to properly sanitize user-supplied data before rendering it in the browser context.
The technical implementation of this XSS vulnerability stems from insufficient input sanitization and output encoding practices within the IBM API Connect application. When users interact with the web interface, the application fails to adequately filter or escape special characters in user-controllable parameters, allowing attackers to inject malicious scripts that execute in the context of authenticated sessions. This particular flaw falls under CWE-79 - Improper Neutralization of Input During Web Page Generation, which is a fundamental weakness in web application security that enables attackers to manipulate the intended behavior of web applications.
The operational impact of this vulnerability extends beyond simple script injection, as it creates opportunities for session hijacking and credential theft within trusted user sessions. Attackers can exploit this weakness to steal session cookies, manipulate application functionality, and potentially escalate privileges within the API management environment. The vulnerability's exploitation capability aligns with ATT&CK technique T1059.007 - Command and Scripting Interpreter: JavaScript, where adversaries leverage browser-based scripting to execute malicious code against authenticated users. When successful, the vulnerability allows attackers to access sensitive information, modify API configurations, and potentially gain unauthorized access to backend systems that the API Connect platform manages.
Organizations utilizing IBM API Connect 5.0.0.0 should implement immediate mitigations including input validation enhancements, proper output encoding of all user-controllable data, and deployment of web application firewalls to detect and block malicious script injections. The recommended remediation strategy involves upgrading to patched versions of IBM API Connect, implementing Content Security Policy headers to limit script execution, and conducting comprehensive security testing of all web interfaces. Additionally, organizations should establish monitoring procedures to detect anomalous user behavior patterns that might indicate exploitation attempts, as outlined in the NIST Cybersecurity Framework's Protect function. The vulnerability demonstrates the critical importance of maintaining secure coding practices and regular security assessments to prevent such persistent threats in enterprise API management platforms.