CVE-2020-4544 in Jazz Foundation
Summary
by MITRE • 01/09/2021
IBM Jazz Foundation Products could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system. IBM X-Force ID: 183189.
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Analysis
by VulDB Data Team • 02/10/2021
The vulnerability identified as CVE-2020-4544 affects IBM Jazz Foundation Products, which are widely used collaboration platforms for software development teams. This security flaw represents a classic information disclosure vulnerability that occurs when the system returns detailed technical error messages to client browsers instead of generic responses. The affected products typically include IBM Engineering Lifecycle Optimization and related development tools that facilitate collaborative software development processes across organizations. The vulnerability stems from inadequate error handling mechanisms within the application's web interface, where server-side exceptions or failures trigger comprehensive error displays that reveal internal system information.
The technical implementation of this vulnerability involves the application's failure to sanitize error responses before transmitting them to the user interface. When system errors occur during processing, the web application returns complete stack traces, internal file paths, database connection details, and other sensitive metadata directly to the browser. This behavior violates fundamental security principles of defense in depth and principle of least privilege, as it exposes critical system architecture information to potential attackers. The vulnerability aligns with CWE-209, which specifically addresses the disclosure of system information through detailed error messages, and represents a variant of the broader CWE-200 category for exposure of sensitive information.
The operational impact of this vulnerability extends beyond simple information disclosure, creating a significant attack surface for malicious actors seeking to compromise the affected systems. An attacker who successfully exploits this vulnerability gains access to detailed information about the underlying system architecture, including database schemas, application component locations, and potentially authentication mechanisms. This intelligence can be leveraged to craft more sophisticated attacks, including SQL injection attempts, cross-site scripting exploits, or targeted attacks against specific system components. The vulnerability particularly affects organizations using IBM Jazz Foundation Products in enterprise environments where these platforms handle sensitive development data, source code repositories, and collaborative workspaces containing intellectual property.
Mitigation strategies for CVE-2020-4544 should focus on implementing robust error handling practices and comprehensive logging mechanisms. Organizations must configure their applications to return generic error messages to end users while maintaining detailed logs for administrative purposes. This approach aligns with the ATT&CK technique T1211 for exfiltration of system information and addresses the broader threat landscape of information gathering. Security teams should also implement web application firewalls and input validation controls to prevent exploitation attempts, while ensuring that all system components are updated to the latest security patches provided by IBM. Regular security assessments and penetration testing should verify that error handling mechanisms function correctly and that no sensitive information is inadvertently exposed through application interfaces.