CVE-2020-4524 in Jazz Foundation
Summary
by MITRE • 01/28/2021
IBM Jazz Foundation products 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: 182434.
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Analysis
by VulDB Data Team • 02/20/2021
The vulnerability identified as CVE-2020-4524 affects IBM Jazz Foundation products, which are widely used collaborative platforms for software development and project management. These products serve as foundational components for various IBM solutions including Rational Team Concert and other integrated development environments. The affected systems operate primarily through web-based user interfaces that facilitate team collaboration, task management, and software development workflows. Organizations relying on these platforms for critical development processes face significant security risks when such vulnerabilities exist within their infrastructure.
This cross-site scripting vulnerability stems from insufficient input validation and output encoding mechanisms within the web application's user interface components. The flaw allows malicious actors to inject malicious JavaScript code through user input fields or parameters that are not properly sanitized before being rendered back to users. The vulnerability specifically impacts the web UI components where user-generated content is displayed without adequate protection against script injection attacks. Attackers can exploit this weakness by crafting specially formatted input that, when processed by the application, executes unintended JavaScript code within the context of a victim's browser session. The vulnerability is classified as a CWE-79: Improper Neutralization of Input During Web Page Generation, which represents one of the most common web application security flaws documented in the CWE database.
The operational impact of this vulnerability extends beyond simple script execution, as it can lead to credential disclosure within trusted sessions. When a user with valid authentication accesses a maliciously crafted page or interacts with compromised content, the injected JavaScript code can access session cookies, authentication tokens, or other sensitive information stored in the browser's memory. This allows attackers to hijack user sessions and potentially gain unauthorized access to development environments, source code repositories, or other sensitive systems that the compromised users have access to. The threat is particularly severe in development environments where users often have elevated privileges and access to critical organizational resources, making this vulnerability a significant vector for lateral movement and privilege escalation attacks.
Organizations should implement multiple layers of defense to mitigate this vulnerability, beginning with immediate patching of affected IBM Jazz Foundation products to the latest security releases. Network segmentation and web application firewalls can provide additional protection by monitoring and filtering suspicious traffic patterns. Input validation should be strengthened at all entry points, with proper encoding of user-supplied data before display in web interfaces. The principle of least privilege should be enforced, ensuring that users only have access to the minimum functionality required for their roles. Security awareness training for developers and administrators can help identify potential attack vectors and prevent social engineering components that might accompany XSS attacks. According to ATT&CK framework, this vulnerability maps to T1566.001: Phishing, as attackers might use XSS to steal credentials, and T1071.004: Application Layer Protocol: DNS, when exploiting the vulnerability through malicious domains. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in related systems and ensure comprehensive protection against similar cross-site scripting attacks.