CVE-2020-4768 in Case Manager
Summary
by MITRE • 02/12/2021
IBM Case Manager 5.2 and 5.3 and IBM Business Automation Workflow 18.0, 19.0, and 20.0 are 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: 188907.
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Analysis
by VulDB Data Team • 02/28/2021
IBM Case Manager versions 5.2 and 5.3 and IBM Business Automation Workflow versions 18.0, 19.0, and 20.0 contain a cross-site scripting vulnerability that represents a critical security weakness in the web-based user interfaces of these enterprise workflow applications. This vulnerability stems from inadequate input validation and output encoding mechanisms within the web applications, allowing malicious actors to inject malicious JavaScript code through user-controllable input fields or parameters. The flaw manifests when the applications fail to properly sanitize user-supplied data before rendering it in web pages, creating an environment where attackers can execute scripts in the context of authenticated users' sessions.
The technical nature of this vulnerability aligns with CWE-79, which describes cross-site scripting flaws where web applications fail to validate or encode user input before including it in dynamically generated web pages. The attack vector typically involves crafting malicious payloads that exploit the lack of proper input sanitization in form fields, URL parameters, or other user-controllable data entry points within the application interface. When a victim user with valid credentials accesses a page containing the malicious script, the JavaScript code executes in their browser session with the privileges of that authenticated user, potentially enabling attackers to steal session cookies, credentials, or perform unauthorized actions within the application context.
The operational impact of this vulnerability is severe for organizations using these IBM workflow applications, as it creates a pathway for attackers to establish persistent access to business automation processes and case management systems. An attacker who successfully exploits this vulnerability can potentially access sensitive business data, manipulate case workflows, view confidential information, and perform administrative functions within the trusted session of authenticated users. The threat is particularly concerning because the vulnerability exists within core business automation tools that often handle sensitive enterprise data, making it a prime target for attackers seeking to compromise business operations and data integrity. This vulnerability can be leveraged for privilege escalation attacks and may enable lateral movement within enterprise networks where these applications are deployed.
Organizations should implement immediate mitigations including applying the latest security patches from IBM as soon as they become available, implementing robust input validation mechanisms, and configuring proper output encoding for all user-controllable data. Network segmentation and monitoring solutions should be deployed to detect potential exploitation attempts, while security awareness training should be provided to users who interact with these applications. The vulnerability also highlights the importance of following secure coding practices and implementing comprehensive web application firewalls to protect against such injection attacks. Organizations should conduct thorough security assessments of their deployed applications and consider implementing additional authentication controls and session management mechanisms to reduce the impact of potential exploitation attempts.