CVE-2018-1393 in Financial Transaction Manager
Summary
by MITRE
IBM Financial Transaction Manager for ACH Services for Multi-Platform 3.0.6 could allow an authenticated user to execute a specially crafted command that could obtain sensitive information. IBM X-Force ID: 138378.
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Analysis
by VulDB Data Team • 03/27/2023
The vulnerability identified as CVE-2018-1393 affects IBM Financial Transaction Manager for ACH Services for Multi-Platform version 3.0.6, representing a critical security flaw that could enable authenticated attackers to execute arbitrary commands on the affected system. This vulnerability resides within the command execution functionality of the financial transaction processing software, which is designed to handle automated clearing house transactions for financial institutions. The flaw specifically manifests when the system processes specially crafted commands that bypass normal authentication checks, allowing unauthorized command execution within the context of the application's privileges. Such a vulnerability poses significant risk to financial organizations that rely on ACH processing services, as it could potentially compromise the integrity and confidentiality of financial transaction data.
The technical implementation of this vulnerability stems from inadequate input validation and command injection handling within the application's processing pipeline. When an authenticated user submits a maliciously crafted command through the system interface, the application fails to properly sanitize or validate the input before executing it within the system environment. This represents a classic command injection vulnerability that allows attackers to execute arbitrary system commands with the privileges of the application process. The vulnerability aligns with CWE-77 and CWE-94 categories, specifically addressing command injection flaws that enable arbitrary code execution through improper input handling. The affected system operates in a multi-platform environment where the vulnerability could potentially be exploited across different operating systems, amplifying the attack surface and potential impact.
The operational impact of this vulnerability extends beyond simple information disclosure to encompass full system compromise capabilities for authenticated users. An attacker who gains access to legitimate credentials could leverage this vulnerability to execute commands that could access sensitive financial data, modify transaction records, or potentially escalate privileges to gain broader system access. The financial implications are severe as ACH transaction processing systems handle large volumes of monetary transfers and sensitive customer financial information. The vulnerability could enable attackers to view, alter, or delete transaction data, potentially leading to financial fraud, data breaches, and regulatory compliance violations. Organizations using this software may face significant reputational damage and legal consequences if such attacks occur, particularly given the sensitive nature of financial transaction data and the regulatory requirements governing such information.
Mitigation strategies for CVE-2018-1393 should focus on immediate patching and configuration hardening measures to prevent exploitation. IBM has released security updates and fixes specifically addressing this vulnerability, which should be implemented immediately across all affected systems. Organizations should also implement network segmentation and access controls to limit the potential impact of credential compromise, ensuring that even if an attacker gains access to legitimate credentials, they cannot easily execute malicious commands. The implementation of input validation controls and proper command sanitization within the application layer should be strengthened to prevent similar vulnerabilities from occurring in the future. Security monitoring should be enhanced to detect unusual command execution patterns, and regular security assessments should be conducted to identify and remediate similar vulnerabilities. Organizations should also consider implementing principle of least privilege access controls and multi-factor authentication to reduce the risk of unauthorized access to systems handling sensitive financial transaction data. The vulnerability demonstrates the critical importance of secure coding practices and proper input validation in financial transaction processing systems, aligning with ATT&CK techniques related to command and control operations and privilege escalation.