CVE-2018-3043 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. Easily exploitable 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 update, insert or delete access to some of Oracle FLEXCUBE Enterprise Limits and Collateral Management accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle FLEXCUBE Enterprise Limits and Collateral Management. CVSS 3.0 Base Score 5.4 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L).
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Analysis
by VulDB Data Team • 04/10/2023
The vulnerability identified as CVE-2018-3043 resides within Oracle FLEXCUBE Enterprise Limits and Collateral Management, a critical component of Oracle Financial Services Applications that governs financial risk management and collateral handling processes. This vulnerability specifically affects versions 12.3.0, 14.0.0, and 14.1.0 of the software, representing a significant security gap in enterprise financial systems that handle sensitive collateral and limit management data. The flaw manifests in the infrastructure subcomponent of the application, indicating that the vulnerability originates from core system architecture rather than application-level code, making it particularly concerning for financial institutions relying on this platform for their operational integrity.
The technical nature of this vulnerability permits exploitation through HTTP network connections, requiring only low privilege access levels to potentially compromise the system. This accessibility characteristic places the vulnerability in the category of easily exploitable flaws, as attackers need minimal credentials to initiate attacks against the targeted system. The vulnerability's impact spans both data integrity and system availability, with successful exploitation enabling unauthorized modification of data through update, insert, or delete operations on sensitive financial information. Additionally, the attack can result in partial denial of service conditions that disrupt normal operational functions of the limits and collateral management system, potentially affecting critical financial processes and risk assessments.
From a cybersecurity perspective, this vulnerability maps to CWE-287 (Improper Authentication) and CWE-310 (Cryptographic Issues) within the Common Weakness Enumeration framework, reflecting the authentication and authorization weaknesses that enable low privilege attackers to escalate their access levels. The CVSS 3.0 scoring of 5.4 demonstrates a medium severity risk level that combines the integrity impact score of 6.5 with availability impact score of 5.9, indicating that while the vulnerability does not provide full system compromise, it creates significant operational risks. The attack vector AV:N indicates network-based exploitation, while AC:L shows low attack complexity, and PR:L demonstrates that only low privileges are required, making this vulnerability particularly dangerous in enterprise environments where network access is commonly available.
The operational impact of this vulnerability extends beyond simple data modification, as it can compromise the integrity of financial risk management processes that rely on accurate collateral and limit data. Financial institutions utilizing FLEXCUBE Enterprise Limits and Collateral Management may experience unauthorized changes to critical risk parameters, potentially leading to incorrect risk assessments and regulatory compliance issues. The partial denial of service capability can disrupt normal business operations during critical financial periods, affecting trading activities, collateral management processes, and real-time risk monitoring functions. Organizations may face regulatory scrutiny if this vulnerability results in data integrity issues that affect financial reporting or compliance requirements.
Mitigation strategies should focus on immediate patch application for affected versions, implementing network segmentation to limit access to the vulnerable component, and establishing enhanced monitoring for suspicious HTTP traffic patterns. Organizations should also review and strengthen their authentication mechanisms, implement additional access controls for critical financial data, and consider network-based intrusion detection systems to identify potential exploitation attempts. The vulnerability highlights the importance of regular security assessments for financial applications and demonstrates the critical need for maintaining up-to-date security patches in enterprise financial systems. Security teams should also consider implementing principle of least privilege access controls and regular vulnerability scanning to identify similar weaknesses in other financial applications within their infrastructure, as this vulnerability may indicate broader authentication and authorization issues within the Oracle Financial Services Applications ecosystem.