CVE-2020-4396 in Jazz Foundation
Summary
by MITRE
IBM Jazz Foundation and IBM Engineering 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: 179359.
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Analysis
by VulDB Data Team • 11/07/2020
The vulnerability identified as CVE-2020-4396 affects IBM Jazz Foundation and IBM Engineering products, representing a critical cross-site scripting flaw that compromises web application security. This vulnerability resides within the web user interface components of these enterprise-level software solutions, which are widely utilized for collaborative development and engineering processes. The affected systems include various IBM Engineering products that rely on the Jazz Foundation framework for their web-based interfaces, making this a significant concern for organizations utilizing these platforms for software development lifecycle management.
The technical implementation of this cross-site scripting vulnerability stems from insufficient input validation and output encoding within the web application's user interface components. Attackers can exploit this flaw by injecting malicious JavaScript code through user-controllable input fields or parameters within the web application. The vulnerability specifically allows for the execution of arbitrary code within the context of the victim's browser session, potentially enabling attackers to access sensitive information, manipulate application functionality, or hijack user sessions. This weakness directly maps to CWE-79, which categorizes cross-site scripting vulnerabilities as a result of inadequate sanitization of user-provided data in web applications. The flaw occurs when the application fails to properly escape or encode user-supplied data before rendering it in web pages, creating an environment where malicious scripts can execute with the privileges of authenticated users.
The operational impact of this vulnerability extends beyond simple data corruption or display manipulation, as it creates a pathway for credential theft and session hijacking within trusted environments. When authenticated users interact with the compromised web interface, their browser sessions become vulnerable to exploitation, potentially allowing attackers to access confidential project data, development credentials, or administrative controls. This threat is particularly severe in engineering environments where these products are used for managing sensitive source code repositories, configuration data, and collaborative development processes. The vulnerability enables attackers to perform actions such as reading session cookies, modifying application behavior, or redirecting users to malicious sites, all while maintaining the trust relationship between the user and the legitimate application. According to ATT&CK framework, this vulnerability aligns with T1059.007 for script injection and T1531 for credential access, representing a significant vector for privilege escalation and data exfiltration within enterprise environments.
Organizations should implement immediate mitigation strategies including input validation improvements, output encoding enhancements, and comprehensive security testing of web interfaces. The recommended approach involves deploying web application firewalls, implementing strict content security policies, and ensuring all user inputs are properly sanitized before processing. Additionally, regular security assessments and penetration testing should be conducted to identify similar vulnerabilities within the broader application ecosystem. IBM has released patches and updates addressing this specific vulnerability, which organizations must apply promptly to maintain security posture. The remediation process should include thorough testing of the patched components to ensure no regression in functionality while maintaining the security improvements. Organizations should also consider implementing additional monitoring and detection mechanisms to identify potential exploitation attempts and establish incident response procedures specifically tailored to address cross-site scripting attacks targeting enterprise engineering platforms.