CVE-2014-0830 in Financial Transaction Manager
Summary
by MITRE
Directory traversal vulnerability in the table-export implementation in the OAC component in IBM Financial Transaction Manager (FTM) 2.0 before 2.0.0.3 and 2.1 before 2.1.0.1 allows remote authenticated users to read arbitrary files via a modified pathname.
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Analysis
by VulDB Data Team • 02/28/2018
The vulnerability identified as CVE-2014-0830 represents a critical directory traversal flaw within the Oracle Application Control (OAC) component of IBM Financial Transaction Manager version 2.0 prior to 2.0.0.3 and version 2.1 prior to 2.1.0.1. This weakness resides in the table-export functionality implementation, where the system fails to properly validate user-supplied input paths, creating an exploitable condition that enables malicious actors to access sensitive files outside the intended directory structure. The vulnerability specifically affects authenticated users who can leverage this flaw to manipulate file paths and gain unauthorized access to system resources. The underlying technical mechanism involves insufficient input sanitization where the application processes user-provided pathname modifications without adequate validation, allowing attackers to append directory traversal sequences such as ../ or ..\ to navigate beyond the intended file access boundaries. This type of vulnerability falls under CWE-22, which specifically addresses directory traversal or path traversal vulnerabilities, where improper input validation allows attackers to access files and directories outside the intended scope. The operational impact of this vulnerability is severe as it enables attackers to potentially access sensitive financial data, configuration files, database credentials, and other system resources that should remain protected. Attackers can exploit this weakness to read system files, potentially including application source code, database connection strings, and other confidential information that could lead to further exploitation opportunities. The vulnerability exists within the OAC component of IBM FTM, which is designed for financial transaction monitoring and control, making the potential impact particularly concerning for financial institutions that rely on this system for transaction processing and compliance monitoring. According to ATT&CK framework, this vulnerability maps to T1083 (File and Directory Discovery) and T1566 (Phishing with Social Engineering) as attackers could use the information gathered through directory traversal to craft more sophisticated attacks. The flaw represents a classic case of inadequate input validation where the system does not properly sanitize user input before processing file operations, allowing attackers to manipulate the export functionality to access files outside the intended directory structure. Organizations using affected versions of IBM Financial Transaction Manager are at significant risk as authenticated users with minimal privileges can escalate their access and potentially compromise the entire financial transaction processing environment.
The exploitation of CVE-2014-0830 requires an authenticated user account within the IBM Financial Transaction Manager system, which significantly reduces the attack surface compared to unauthenticated vulnerabilities but still presents a serious security risk. The attack vector specifically targets the table-export functionality, where legitimate users might normally be able to export transaction data to specific directories, but attackers can modify the pathname parameters to traverse directories and access files that should be restricted. This vulnerability directly impacts the principle of least privilege as it allows users to bypass normal access controls and read arbitrary files from the system. The security implications extend beyond simple file access, as the compromised system may contain sensitive financial data, user credentials, or system configuration files that could lead to additional attacks. The vulnerability's impact is particularly severe in financial environments where IBM FTM is used for transaction monitoring, as attackers could potentially access transaction records, customer data, or internal system configurations. From a compliance perspective, this vulnerability could result in violations of financial regulations that require strict access controls and data protection measures. The vulnerability exists in both major version branches of IBM FTM, indicating a widespread issue that affects multiple deployment scenarios. Security professionals should note that this vulnerability demonstrates the importance of proper input validation and the principle of least privilege in application design. The attack scenario typically involves an authenticated user initiating a table-export operation, modifying the pathname parameter to include directory traversal sequences, and then successfully reading files outside the intended scope. This type of vulnerability is particularly challenging to detect in production environments as it often requires specific conditions and may not be immediately apparent during normal system operation.
Mitigation strategies for CVE-2014-0830 focus on implementing proper input validation and access controls within the affected IBM Financial Transaction Manager components. Organizations should immediately upgrade to patched versions 2.0.0.3 and 2.1.0.1, which contain the necessary security fixes to address the directory traversal vulnerability. The primary technical fix involves implementing robust input sanitization that validates all user-supplied pathname parameters and rejects any input containing directory traversal sequences. Security teams should also implement network segmentation and access controls to limit the number of authenticated users who can access the OAC component functionality. Additional defensive measures include implementing web application firewalls that can detect and block suspicious pathname patterns, monitoring for unusual file access patterns, and conducting regular security audits of the financial transaction processing environment. The vulnerability highlights the importance of following secure coding practices, specifically those outlined in the OWASP Top Ten and other security frameworks that emphasize proper input validation, output encoding, and secure file handling practices. Organizations should also consider implementing file access logging and monitoring to detect potential exploitation attempts, as well as conducting regular penetration testing to identify similar vulnerabilities in other components of the financial transaction processing infrastructure. Given the nature of financial data processing systems, organizations should also review their incident response procedures to ensure they can quickly respond to potential exploitation attempts. The vulnerability serves as a reminder that even authenticated access paths require proper validation and that system administrators should regularly review and update their security configurations to prevent similar issues from occurring in other components of their financial transaction processing environments. The remediation process should include not only applying the security patches but also conducting a comprehensive review of the application's file access controls and implementing additional security layers to protect against similar vulnerabilities in the future.