CVE-2017-1538 in Financial Transaction Manager
Summary
by MITRE
IBM Financial Transaction Manager for ACH Services for Multi-Platform 3.0.2 could allow an authenticated user to obtain sensitive information from an undocumented URL. IBM X-Force ID: 130735.
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Analysis
by VulDB Data Team • 01/16/2021
The vulnerability identified as CVE-2017-1538 affects IBM Financial Transaction Manager for ACH Services for Multi-Platform version 3.0.2, representing a significant security weakness that could compromise sensitive financial data. This issue stems from the presence of an undocumented URL within the application's web interface that allows authenticated users to access information that should remain restricted. The flaw demonstrates poor access control implementation and highlights the dangers of exposing internal system endpoints without proper authorization mechanisms.
The technical nature of this vulnerability falls under the category of information disclosure, specifically unauthorized access to sensitive data through undocumented system interfaces. An authenticated user can exploit this weakness by accessing the undocumented URL, potentially gaining access to financial transaction data, system configuration details, or other confidential information that should only be available to authorized personnel with specific clearance levels. This represents a violation of the principle of least privilege and could enable data exfiltration or further exploitation attempts. The vulnerability aligns with CWE-200, which addresses information exposure, and demonstrates how undocumented system components can create security gaps that bypass normal access controls.
The operational impact of this vulnerability extends beyond simple data exposure, as it could enable attackers to gather intelligence for more sophisticated attacks or facilitate data breaches that could compromise financial transactions and customer information. Financial institutions using this platform face significant risk of regulatory non-compliance, as the exposure of transaction data violates data protection requirements and could result in substantial financial penalties. The vulnerability could also serve as a stepping stone for attackers to escalate privileges or discover additional system weaknesses, making it particularly dangerous in environments where financial data is processed and stored. According to ATT&CK framework, this vulnerability maps to T1083 (File and Directory Discovery) and T1213 (Data from Information Repositories) techniques that threat actors commonly employ to gather sensitive information.
Mitigation strategies for this vulnerability should include immediate implementation of access control measures to restrict access to undocumented URLs, thorough auditing of all web endpoints to identify similar issues, and comprehensive security testing of the application's interface. Organizations should ensure that all system components are properly documented and that access controls are implemented at multiple layers of the application architecture. The recommended approach involves disabling or restricting access to the undocumented URL through web server configuration, implementing proper authentication checks, and conducting regular security assessments to identify and remediate similar issues. Additionally, security teams should implement network monitoring to detect unauthorized access attempts to system components and establish proper incident response procedures to address potential exploitation of this vulnerability.