CVE-2018-1556 in FileNet Content Manager
Summary
by MITRE
IBM FileNet Content Manager 5.2.1 and 5.5.0 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: 142893.
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Analysis
by VulDB Data Team • 04/03/2023
IBM FileNet Content Manager versions 5.2.1 and 5.5.0 contain a cross-site scripting vulnerability that represents a critical security weakness in the web-based user interface. This vulnerability stems from inadequate input validation and output encoding mechanisms within the application's web components, allowing malicious actors to inject malicious JavaScript code through user-controllable input fields. The flaw exists in the application's handling of user-supplied data that is subsequently rendered in web pages without proper sanitization, creating an attack vector where attackers can manipulate the application's behavior through crafted script payloads.
The technical implementation of this vulnerability allows attackers to execute malicious scripts in the context of a victim's browser session, potentially compromising the integrity of the web application and the data it processes. When users interact with the Content Manager interface, any input that is not properly validated can be stored and subsequently executed as JavaScript code within the victim's browser environment. This cross-site scripting vulnerability specifically targets the web user interface components where user input is directly reflected in HTML output without appropriate encoding or sanitization measures. The vulnerability is classified under CWE-79 as Improper Neutralization of Input During Web Page Generation, which is a well-documented weakness in web application security that enables attackers to inject client-side scripts.
The operational impact of this vulnerability extends beyond simple script execution, as it creates potential for session hijacking and credential theft within trusted user sessions. Attackers can exploit this weakness to steal session cookies, access sensitive information, or perform unauthorized actions on behalf of authenticated users. The attack surface is particularly concerning given that FileNet Content Manager serves as a document management and workflow platform where users typically maintain elevated privileges and access to confidential business data. Successful exploitation could result in unauthorized access to corporate documents, workflow manipulation, and potential data exfiltration. The vulnerability's impact is amplified by the fact that it affects multiple versions of the platform, indicating a persistent flaw in the application's security architecture that requires immediate remediation.
Organizations utilizing IBM FileNet Content Manager should implement comprehensive mitigation strategies including immediate patching of affected versions, implementation of web application firewalls, and enhanced input validation mechanisms. The recommended approach includes applying the vendor-provided security fixes, implementing proper output encoding for all user-controllable data, and conducting thorough security testing of web interfaces. Additionally, organizations should consider implementing content security policies to prevent unauthorized script execution and establish monitoring procedures to detect potential exploitation attempts. This vulnerability aligns with ATT&CK technique T1059.007 for Command and Scripting Interpreter: JavaScript, demonstrating how attackers can leverage web-based scripting vulnerabilities to compromise web applications and establish persistent access to sensitive enterprise data. The security implications of this vulnerability underscore the importance of maintaining robust web application security practices and regular vulnerability assessments to prevent exploitation of similar weaknesses in enterprise document management systems.