CVE-2018-1392 in Financial Transaction Manager
Summary
by MITRE
IBM Financial Transaction Manager 3.0.4 and 3.1.0 for ACH Services for Multi-Platform could allow an authenticated user to execute a specially crafted command that could obtain sensitive information. IBM X-Force ID: 138377.
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Analysis
by VulDB Data Team • 02/04/2021
The vulnerability identified as CVE-2018-1392 affects IBM Financial Transaction Manager version 3.0.4 and 3.1.0 for ACH Services across Multi-Platform environments. This security flaw represents a command injection vulnerability that enables authenticated users to execute malicious commands through specially crafted input. The vulnerability stems from insufficient input validation and sanitization mechanisms within the application's processing pipeline for ACH transactions. Attackers who have gained legitimate authentication credentials can exploit this weakness to escalate their privileges and access sensitive system information. The flaw specifically impacts the transaction processing components that handle ACH service operations, potentially compromising the integrity and confidentiality of financial data. This vulnerability exists in the application's command execution framework where user-supplied data is not properly validated before being processed. The issue creates a pathway for privilege escalation and information disclosure that could significantly impact financial transaction security. Organizations using this platform face potential risks including unauthorized data access, transaction manipulation, and system compromise.
The technical exploitation of CVE-2018-1392 relies on the application's failure to properly validate and sanitize user inputs before executing system commands. This vulnerability aligns with CWE-77 and CWE-88 categories, which address command injection flaws in software applications. The flaw occurs when authenticated users submit crafted commands that bypass input validation checks, allowing the system to execute unintended operations. The vulnerability's impact is particularly concerning in financial transaction environments where data integrity and security are paramount. Attackers can leverage this weakness to extract sensitive information such as system configurations, user credentials, or transaction details. The exploitation process typically involves crafting malicious input that gets processed through the vulnerable command execution path, potentially leading to unauthorized access to backend systems. This type of vulnerability falls under the ATT&CK technique T1059.001 for Command and Scripting Interpreter, where adversaries use legitimate system tools to execute commands. The vulnerability demonstrates poor input validation practices and inadequate sanitization of user-supplied data within the application's security controls.
The operational impact of CVE-2018-1392 extends beyond simple information disclosure to encompass potential financial fraud and system compromise. Organizations utilizing IBM Financial Transaction Manager may face unauthorized transaction processing, data breaches, and regulatory compliance violations. The vulnerability could enable attackers to manipulate ACH transactions, potentially leading to financial losses and reputational damage. System administrators may experience unauthorized access to sensitive financial information, including customer data, transaction records, and system configurations. The exploitation of this vulnerability could result in cascading security incidents, where initial unauthorized access leads to further system compromise and data exfiltration. Financial institutions relying on this platform face significant risk exposure, particularly in environments where transaction processing automation is prevalent. The vulnerability's authenticated nature means that insider threats or compromised legitimate accounts pose substantial risks. Organizations may also experience operational disruption as security teams work to identify and remediate the vulnerability. The impact on business continuity is significant, as transaction processing systems may become compromised or require extensive security hardening measures.
Organizations should implement immediate mitigations to address CVE-2018-1392, including applying the relevant IBM security patches and updates. The recommended approach involves strengthening input validation mechanisms and implementing robust command sanitization procedures throughout the application's transaction processing pipeline. Security teams should conduct comprehensive vulnerability assessments to identify similar command injection vulnerabilities across their financial transaction systems. Network segmentation and access control measures should be enhanced to limit the potential impact of successful exploitation attempts. Regular security monitoring and log analysis should be implemented to detect anomalous command execution patterns that may indicate exploitation attempts. Organizations should also consider implementing additional authentication controls and privilege management policies to reduce the attack surface. The remediation process should include thorough testing of security patches to ensure compatibility with existing transaction processing workflows. Regular security training for system administrators and developers should emphasize secure coding practices and input validation techniques. Incident response procedures should be updated to address command injection vulnerabilities, ensuring rapid detection and response to potential exploitation attempts. Organizations should also review their compliance requirements and ensure that security controls address the specific risks associated with financial transaction processing environments.