CVE-2021-20506 in Jazz Foundation
Summary
by MITRE • 03/30/2021
IBM Jazz Foundation Products 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: 198231.
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Analysis
by VulDB Data Team • 01/27/2023
The vulnerability identified as CVE-2021-20506 affects IBM Jazz Foundation Products, which are widely used collaboration and development platforms within enterprise environments. This cross-site scripting vulnerability represents a critical security flaw that undermines the integrity of web-based interfaces and exposes organizations to significant risks. The affected products typically serve as foundational components for software development lifecycle management, project tracking, and team collaboration, making their security paramount to overall organizational defense. The vulnerability exists within the web user interface components of these products, where input validation mechanisms fail to properly sanitize user-supplied data before rendering it in web pages. This weakness creates an environment where malicious actors can inject malicious JavaScript code that executes within the context of legitimate user sessions, effectively bypassing traditional security boundaries.
The technical exploitation of this vulnerability occurs when an attacker crafts malicious input that gets processed and displayed within the web interface without proper sanitization or encoding. The flaw allows for the injection of JavaScript payloads that can manipulate the web page behavior, capture user interactions, or harvest session cookies and authentication tokens. When a victim user accesses a page containing the maliciously injected code, the JavaScript executes within their browser session, potentially enabling session hijacking attacks where credentials and access tokens are transmitted to attacker-controlled servers. This vulnerability specifically impacts the web-based administrative and user interfaces of IBM Jazz Foundation Products, affecting both standard users and administrators who may have elevated privileges. The XSS flaw operates as a persistent or reflected attack vector, depending on how the malicious input is processed and stored within the application's data handling mechanisms.
The operational impact of CVE-2021-20506 extends beyond simple data theft, as it can lead to complete compromise of user sessions and potentially broader system access. Attackers can leverage this vulnerability to establish persistent access to development environments, steal sensitive project information, manipulate development workflows, or escalate privileges within the Jazz Foundation ecosystem. The threat is particularly concerning because these products often contain sensitive development artifacts, source code repositories, and project management data that would be valuable to adversaries. Organizations using these platforms may experience unauthorized access to intellectual property, disruption of development processes, and potential data exfiltration that could compromise competitive advantages and regulatory compliance requirements. The vulnerability's ability to operate within trusted sessions makes it especially dangerous as it can bypass standard authentication mechanisms and appear legitimate to security monitoring systems.
Organizations should implement immediate mitigations including input validation and output encoding controls to prevent malicious script injection, along with regular security updates and patches from IBM to address the specific XSS vulnerability. The implementation of Content Security Policy headers can provide additional protection by restricting script execution within web interfaces, while proper session management and secure coding practices should be enforced throughout the application's codebase. Security teams should conduct thorough vulnerability assessments of their Jazz Foundation deployments, monitor for suspicious activities, and implement network-based intrusion detection systems to identify potential exploitation attempts. The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and represents a technique commonly catalogued in ATT&CK framework under T1059.007 for scripting and T1566 for credential access through social engineering. Regular security training for developers and administrators on secure coding practices and input validation techniques remains essential for preventing similar vulnerabilities in future deployments.