CVE-2018-3039 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 unauthenticated attacker with network access via HTTP to compromise Oracle FLEXCUBE Enterprise Limits and Collateral Management. Successful attacks of this vulnerability can result in unauthorized read access to a subset of 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:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 04/10/2023
The vulnerability identified as CVE-2018-3039 resides within Oracle FLEXCUBE Enterprise Limits and Collateral Management, a critical component of Oracle Financial Services Applications that manages financial risk limits and collateral arrangements for enterprise clients. This security flaw affects specifically versions 12.3.0, 14.0.0, and 14.1.0 of the software, representing a significant concern for financial institutions that rely on this platform for their risk management operations. The vulnerability operates within the infrastructure subcomponent of the application, indicating that it likely affects core system functionality rather than user-facing interfaces, making it particularly dangerous as it can be exploited without requiring any authentication credentials or prior access to the system.
The technical nature of this vulnerability allows for unauthenticated remote exploitation through HTTP network connections, presenting a severe risk to organizations that expose their FLEXCUBE systems to external networks. Attackers can leverage this weakness to gain unauthorized access to sensitive data within the limits and collateral management system without needing to provide valid credentials or establish any authenticated session. The CVSS 3.0 scoring system rates this vulnerability with a base score of 5.3, which falls into the medium severity category, though the lack of authentication requirements and the potential for data exposure make it particularly concerning. The vulnerability specifically impacts confidentiality by enabling unauthorized read access to a subset of the accessible data within the system, meaning that while not all data may be compromised, sufficient information could be extracted to potentially impact financial operations and risk management decisions.
The operational impact of this vulnerability extends beyond simple data theft, as the compromised data within the limits and collateral management system likely contains sensitive financial information including credit limits, collateral values, risk exposure assessments, and other critical business data. Organizations using affected versions of FLEXCUBE may experience unauthorized access to their financial risk management systems, potentially allowing attackers to understand the organization's risk exposure profile, credit limits, and collateral arrangements. This information could be used for competitive advantage, financial fraud, or to plan more sophisticated attacks against the organization's financial infrastructure. The vulnerability's classification under CWE-287 (Improper Authentication) and its mapping to ATT&CK technique T1078 (Valid Accounts) demonstrates how this flaw essentially bypasses normal authentication mechanisms while also potentially enabling lateral movement within the financial services environment.
Organizations should immediately implement mitigations including network segmentation to limit access to FLEXCUBE systems, implementing proper firewall rules to restrict HTTP access to authorized personnel only, and applying the official Oracle patches released for this vulnerability. The vulnerability's characteristics make it particularly dangerous in environments where financial services applications are exposed to the internet without proper network controls, as attackers could potentially use this vulnerability to gain insights into an organization's financial risk posture and credit exposure. Additionally, organizations should conduct thorough assessments of their FLEXCUBE implementations to identify all instances running the affected versions and ensure that proper access controls and network monitoring are in place to detect potential exploitation attempts. The CVSS vector analysis indicates that while the attack complexity is low and no user interaction is required, the confidentiality impact is moderate, suggesting that organizations should prioritize remediation efforts to protect their financial data and maintain regulatory compliance with financial services security requirements.