CVE-2016-0275 in Financial Transaction Manager
Summary
by MITRE
IBM Financial Transaction Manager (FTM) for ACH Services for Multi-Platform 2.1.1.2 and 3.0.0.x before fp0013, Financial Transaction Manager (FTM) for Check Services for Multi-Platform 2.1.1.2 and 3.0.0.x before fp0013, and Financial Transaction Manager (FTM) for Corporate Payment Services (CPS) for Multi-Platform 2.1.1.2 and 3.0.0.x before fp0013 allows local users to obtain sensitive information via vectors related to cacheable HTTPS responses.
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Analysis
by VulDB Data Team • 01/11/2020
The vulnerability described in CVE-2016-0275 affects IBM Financial Transaction Manager (FTM) products across multiple service categories including ACH Services, Check Services, and Corporate Payment Services for Multi-Platform. This issue specifically impacts versions 2.1.1.2 and 3.0.0.x before fix pack 0013, creating a significant security risk for financial institutions relying on these transaction processing systems. The flaw stems from improper handling of cacheable HTTPS responses, which violates fundamental security principles for protecting sensitive financial data transmission.
The technical implementation of this vulnerability involves the improper configuration or handling of HTTP cache directives within the FTM applications. When HTTPS responses are marked as cacheable without proper security considerations, local users can potentially access cached responses containing sensitive financial transaction data, user credentials, or system information. This represents a classic case of insecure caching practices that can lead to information disclosure, as outlined in CWE-200 (Information Exposure) and CWE-522 (Insufficiently Protected Credentials). The vulnerability exploits the fundamental principle that sensitive data should never be cached in a manner that could expose it to unauthorized local access.
From an operational impact perspective, this vulnerability creates substantial risk for financial institutions managing high volumes of transaction data. Local attackers with access to the system can exploit this weakness to gain unauthorized access to cached financial information, potentially including customer account details, transaction histories, and payment processing data. The attack vector is particularly concerning because it leverages local access privileges, meaning that any user with local system access can potentially retrieve sensitive cached information from other users or processes. This scenario aligns with ATT&CK technique T1083 (File and Directory Discovery) and T1005 (Data from Local System) when combined with privilege escalation or lateral movement.
The mitigation strategies for this vulnerability should focus on implementing proper HTTP cache control headers that prevent sensitive responses from being cached in a manner accessible to local users. Organizations should ensure that all financial transaction data responses are marked with appropriate cache control directives such as 'no-cache', 'no-store', or 'private' to prevent unauthorized access to cached content. Additionally, system administrators should implement regular security audits to verify that caching configurations properly protect sensitive financial data, and should apply the vendor-provided fix pack 0013 or equivalent patches that address this specific vulnerability. The remediation approach should align with security frameworks that emphasize secure configuration management and proper data protection practices as outlined in NIST SP 800-53 security controls.