CVE-2018-2727 in Financial Services Market Risk Measurement
Summary
by MITRE
Vulnerability in the Oracle Financial Services Market Risk Measurement and Management component of Oracle Financial Services Applications (subcomponent: User Interface). The supported version that is affected is 8.0.5. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Financial Services Market Risk Measurement and Management. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Financial Services Market Risk Measurement and Management accessible data as well as unauthorized access to critical data or complete access to all Oracle Financial Services Market Risk Measurement and Management accessible data. CVSS 3.0 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 01/30/2021
The vulnerability identified as CVE-2018-2727 resides within Oracle Financial Services Applications version 8.0.5, specifically affecting the Market Risk Measurement and Management component's User Interface subsystem. This represents a critical security weakness that demonstrates poor input validation and access control implementation within a financial services application. The flaw manifests as an insufficient authorization mechanism that fails to properly verify user privileges before permitting data manipulation operations, creating a pathway for unauthorized individuals to gain elevated access to sensitive financial data. The vulnerability's classification as easily exploitable indicates that the attack vector requires minimal technical expertise and can be executed through standard network-based HTTP connections, making it particularly dangerous in production environments where such applications handle highly sensitive market risk data.
The technical nature of this vulnerability stems from inadequate session management and privilege validation within the user interface component. Attackers with low privileged accounts can leverage this weakness to perform unauthorized data operations including creation, deletion, and modification of critical market risk data. The CVSS 3.0 score of 8.1 reflects the high severity impact across both confidentiality and integrity dimensions, indicating that successful exploitation can result in complete data compromise. The attack requires network access via HTTP, which means it can be executed from external network locations without requiring physical access to the system. This vulnerability aligns with CWE-285, which addresses improper authorization issues, and demonstrates characteristics consistent with the ATT&CK technique T1078 for valid accounts and T1566 for social engineering through HTTP protocols.
The operational impact of CVE-2018-2727 extends far beyond simple data theft, as it provides attackers with the ability to modify critical market risk measurements that directly affect financial decision-making processes. Financial institutions relying on this application could face severe consequences including inaccurate risk assessments, regulatory compliance violations, and potential financial losses due to manipulated market data. The vulnerability's ability to grant complete access to all accessible data means that attackers could potentially compromise entire financial portfolios and risk management systems. Organizations using this software may experience significant reputational damage, regulatory penalties, and financial liability if exploited successfully. The vulnerability's presence in a market risk measurement system specifically indicates that attackers could manipulate risk calculations that influence trading decisions, capital allocation, and regulatory reporting.
Mitigation strategies for CVE-2018-2727 should prioritize immediate application of Oracle's security patches and updates to address the identified authorization flaw. Organizations must implement enhanced monitoring of HTTP traffic and user access patterns to detect potential exploitation attempts. Network segmentation and access controls should be strengthened to limit direct HTTP access to the affected application components. Security teams should conduct comprehensive privilege reviews and ensure that users have only the minimum required access rights for their roles. Regular security assessments and penetration testing should be performed to identify similar authorization weaknesses within the financial services application suite. Additionally, implementing web application firewalls and intrusion detection systems can help prevent exploitation attempts and provide early warning of potential attacks. Organizations should also consider implementing multi-factor authentication for administrative access and establish incident response procedures specifically tailored to address financial data compromise scenarios. The vulnerability underscores the importance of maintaining up-to-date security patches in financial applications where data integrity and confidentiality are paramount for regulatory compliance and operational stability.