CVE-2019-4457 in Jazz Foundation
Summary
by MITRE
IBM Jazz Foundation 6.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5, 6.0.6, and 6.0.6.1 could allow an authenticated user to obtain sensitive information that could be used in further attacks against the system. IBM X-Force ID: 163654.
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Analysis
by VulDB Data Team • 04/01/2024
The vulnerability identified as CVE-2019-4457 affects IBM Jazz Foundation versions 6.0 through 6.0.6.1, representing a significant information disclosure flaw that impacts the security posture of organizations relying on this collaboration platform. This issue specifically targets authenticated users within the system, meaning that an attacker must first establish valid credentials to exploit the vulnerability. The affected platform serves as a foundation for various IBM collaboration tools and development environments, making it a critical component in enterprise software development workflows. The vulnerability resides in the way the system handles sensitive data exposure during authenticated sessions, potentially allowing unauthorized information retrieval that could serve as a stepping stone for more sophisticated attacks.
The technical flaw manifests as an insufficient authorization mechanism within the IBM Jazz Foundation's authentication and access control framework. When authenticated users interact with the system, certain sensitive information becomes accessible through improperly restricted data access paths. This weakness enables an attacker with valid credentials to extract confidential data that should typically be restricted to authorized personnel only. The vulnerability is categorized under CWE-200, which represents "Information Exposure," and specifically aligns with CWE-552, "Information Exposure Through Directory Listing," indicating that the flaw allows for unintended data disclosure through system interactions. The root cause lies in inadequate input validation and insufficient access controls that fail to properly enforce data separation between different user roles and permissions.
The operational impact of this vulnerability extends beyond simple data exposure, as it provides attackers with valuable intelligence that can be leveraged for subsequent attack phases. An authenticated user who exploits this vulnerability gains access to sensitive information including but not limited to user credentials, system configurations, development artifacts, and potentially source code repositories. This information disclosure creates opportunities for privilege escalation attacks, as attackers can use the acquired data to craft more targeted and effective exploits against other system components. The vulnerability also aligns with ATT&CK technique T1083, "File and Directory Discovery," as it enables unauthorized access to system files and directories that should remain protected. Organizations using IBM Jazz Foundation may experience cascading security issues where this initial information disclosure leads to more severe compromises including potential system takeover or data breach incidents.
Mitigation strategies for CVE-2019-4457 should focus on immediate patch deployment from IBM, which addresses the underlying authorization flaw in the affected versions. Organizations must ensure that all instances of IBM Jazz Foundation are updated to versions that contain the security fixes provided by IBM. Network segmentation and access control measures should be implemented to limit the blast radius of potential exploitation, while monitoring systems should be configured to detect unusual access patterns that might indicate exploitation attempts. Security teams should conduct comprehensive access reviews to identify and remediate any unnecessary permissions granted to authenticated users. Additionally, implementing proper logging and audit trails for all authenticated sessions will help detect potential exploitation attempts and provide forensic evidence for incident response activities. The vulnerability demonstrates the importance of regular security assessments and timely patch management in maintaining secure enterprise environments, particularly for foundational platforms that support critical business operations.