CVE-2018-2854 in Financial Services Basel Regulatory Capital Basic
Summary
by MITRE
Vulnerability in the Oracle Financial Services Basel Regulatory Capital Basic component of Oracle Financial Services Applications (subcomponent: Portfolio, Attribution). The supported version that is affected is 8.0.x. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Financial Services Basel Regulatory Capital Basic. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Financial Services Basel Regulatory Capital Basic, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Financial Services Basel Regulatory Capital Basic accessible data as well as unauthorized read access to a subset of Oracle Financial Services Basel Regulatory Capital Basic accessible data. CVSS 3.0 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).
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Analysis
by VulDB Data Team • 03/02/2023
The vulnerability identified as CVE-2018-2854 resides within the Oracle Financial Services Basel Regulatory Capital Basic component, specifically affecting the Portfolio and Attribution subcomponents within Oracle Financial Services Applications version 8.0.x. This represents a critical security weakness that exposes organizations to significant financial and operational risks. The vulnerability operates within the financial services sector where regulatory compliance and data integrity are paramount, making this flaw particularly concerning for institutions managing sensitive capital adequacy data. The affected component is part of a broader suite of financial applications that handle critical regulatory reporting and risk management functions, making the potential impact of exploitation far-reaching and complex.
This vulnerability manifests as an easily exploitable security flaw that allows unauthenticated attackers to gain network access through HTTP protocols. The technical nature of this vulnerability stems from inadequate authentication mechanisms within the web application layer, specifically within the Portfolio and Attribution modules. The flaw enables attackers to perform unauthorized operations including data modification, insertion, and deletion, while also allowing read access to sensitive data subsets. The CVSS 3.0 scoring of 6.1 reflects the moderate severity level, with confidentiality and integrity impacts rated as low, though the potential for cascading effects across multiple products significantly amplifies the overall risk. The vulnerability requires human interaction from users other than the attacker, indicating that social engineering or user-based exploitation techniques may be necessary to achieve successful compromise.
The operational impact of this vulnerability extends beyond the immediate affected component, potentially causing significant disruption to financial institutions' regulatory reporting capabilities and risk management processes. Organizations utilizing Oracle Financial Services Basel Regulatory Capital Basic may face unauthorized changes to critical regulatory data, leading to potential compliance violations and financial reporting inaccuracies. The vulnerability's ability to affect additional products within the Oracle Financial Services ecosystem creates a broader attack surface that could compromise entire financial applications suites. Data integrity breaches could result in incorrect regulatory capital calculations, potentially leading to regulatory penalties, financial losses, and reputational damage. The unauthorized access capabilities pose particular risks to sensitive financial data that may include proprietary trading strategies, risk assessments, and regulatory submissions.
Organizations should implement immediate mitigations including network segmentation to restrict access to the affected components, deploying web application firewalls to monitor and filter HTTP traffic, and applying the latest Oracle security patches. The vulnerability aligns with CWE-287 which addresses improper authentication issues, and maps to ATT&CK technique T1190 for exploit via web application. Additional protective measures should include regular vulnerability assessments, enhanced monitoring of access logs, and implementing principle of least privilege access controls. Security teams should also consider conducting penetration testing to identify potential exploitation vectors and establish incident response procedures specifically for financial services regulatory data breaches. Organizations must prioritize patch management processes and maintain awareness of Oracle security advisories to prevent exploitation of similar vulnerabilities in their financial applications infrastructure.