CVE-2018-3047 in FLEXCUBE Enterprise Limits
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Enterprise Limits and Collateral Management component of Oracle Financial Services Applications (subcomponent: Infrastructure). Supported versions that are affected are 12.3.0, 14.0.0 and 14.1.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Enterprise Limits and Collateral Management. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle FLEXCUBE Enterprise Limits and Collateral Management accessible data. CVSS 3.0 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 04/10/2023
The vulnerability identified as CVE-2018-3047 resides within Oracle FLEXCUBE Enterprise Limits and Collateral Management, a critical component of Oracle Financial Services Applications that manages financial risk exposure and collateral arrangements for enterprise clients. This weakness specifically affects versions 12.3.0, 14.0.0, and 14.1.0 of the software, representing a significant security gap in financial services infrastructure where risk management systems are compromised. The vulnerability operates at the infrastructure layer of the application, making it particularly dangerous as it can undermine the foundational security controls that protect sensitive financial data and operational processes.
The technical flaw manifests as a difficulty to exploit vulnerability that requires an attacker to have network access via HTTP protocol to initiate the attack vector. This characteristic places the vulnerability in the CWE-20 category, specifically addressing "Improper Input Validation" where the system fails to properly validate or sanitize incoming HTTP requests. The low privilege requirement for exploitation means that even minimal access to the network can potentially lead to significant compromise, making this vulnerability particularly concerning for financial institutions where network segmentation may not be comprehensive. The CVSS 3.0 score of 5.3 reflects the moderate severity, but the confidentiality impact rating of high (C:H) indicates that successful exploitation can lead to unauthorized access to critical financial data and complete access to all accessible data within the system.
The operational impact of this vulnerability extends far beyond simple data access, as it can compromise the entire risk management framework that financial institutions depend upon for regulatory compliance and operational integrity. When attackers successfully exploit this vulnerability, they gain unauthorized access to sensitive financial information including customer data, transaction records, and collateral management details that are essential for maintaining proper risk exposure limits. This compromise directly affects the organization's ability to maintain regulatory compliance with financial reporting standards and can potentially lead to significant financial losses, reputational damage, and legal consequences. The vulnerability's ability to result in complete access to all accessible data represents a critical failure in the principle of least privilege and data segmentation that financial institutions must maintain.
Organizations should implement immediate mitigations including network segmentation to limit access to the affected Oracle FLEXCUBE components, deployment of web application firewalls to monitor and filter HTTP traffic, and comprehensive access controls to ensure that only authorized personnel can access the vulnerable system components. The implementation of regular security updates and patches from Oracle is essential, as is conducting thorough vulnerability assessments to identify other potential weaknesses in the financial services infrastructure. Additionally, organizations should enhance their monitoring capabilities to detect unusual access patterns and implement robust incident response procedures to address potential exploitation attempts. This vulnerability demonstrates the critical importance of maintaining up-to-date security controls in financial services applications and highlights the need for continuous security assessment of core banking and risk management systems. The ATT&CK framework categorizes this type of vulnerability under privilege escalation and credential access tactics, emphasizing the need for comprehensive security measures that address both network-level and application-level threats in financial services environments.