CVE-2017-3483 in FLEXCUBE Enterprise Limits
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Enterprise Limits and Collateral Management component of Oracle Financial Services Applications (subcomponent: Limits and Collateral). Supported versions that are affected are 12.0.0 and 12.1.0. Easily "exploitable" vulnerability allows high privileged attacker with logon to the infrastructure where Oracle FLEXCUBE Enterprise Limits and Collateral Management executes 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 4.4 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 12/19/2020
The vulnerability identified as CVE-2017-3483 resides within Oracle FLEXCUBE Enterprise Limits and Collateral Management, a critical component of Oracle Financial Services Applications that governs financial risk management operations. This vulnerability specifically affects versions 12.0.0 and 12.1.0 of the software, representing a significant security weakness that can be exploited by attackers with high privileges. The CVSS 3.0 base score of 4.4 indicates a moderate severity threat, with the confidentiality impact rated as high, suggesting that successful exploitation could lead to unauthorized access to sensitive financial data. The attack vector is classified as local access, meaning an attacker must already have logon credentials to the system where the vulnerable component executes, while the attack complexity is low, making the exploitation relatively straightforward for authorized users with elevated privileges.
The technical flaw within this component stems from inadequate access controls and potential privilege escalation mechanisms that allow authenticated users with high privileges to bypass normal security restrictions. This vulnerability represents a classic case of insufficient authorization checks where the system fails to properly validate user permissions before granting access to sensitive data repositories. The operational impact of this vulnerability extends beyond simple data exposure, as it could potentially enable attackers to access all data accessible through the Enterprise Limits and Collateral Management system, which likely contains critical financial information including customer data, transaction records, and risk assessment parameters. The vulnerability's classification as easily exploitable means that sophisticated attackers with access to the system could leverage this weakness to gain unauthorized access to sensitive financial information, potentially compromising the integrity of the entire financial services application suite.
The security implications of CVE-2017-3483 align with CWE-284, which addresses improper access control issues, and can be mapped to ATT&CK technique T1078 for valid accounts and privilege escalation. Organizations running affected versions of Oracle FLEXCUBE Enterprise Limits and Collateral Management face substantial risk of financial data breaches, particularly if the system hosts sensitive customer information or regulatory compliance data. The vulnerability's impact is particularly concerning for financial institutions that rely on these systems for enterprise risk management, as compromise of the limits and collateral management functionality could affect credit risk assessment, margin requirements, and overall financial exposure calculations. The potential for unauthorized access to critical data makes this vulnerability a prime target for insider threats or attackers who have gained initial access to the financial services infrastructure.
Mitigation strategies should focus on immediate patch deployment for affected versions, implementation of additional access controls, and enhanced monitoring of privileged account activities. Organizations should also consider network segmentation to limit access to the vulnerable component, enforce strict privilege management policies, and conduct comprehensive security audits of their financial services applications. The vulnerability highlights the importance of maintaining current security patches and implementing defense-in-depth strategies for critical financial applications, particularly those handling sensitive data and regulatory compliance information. Regular vulnerability assessments and penetration testing should be conducted to identify similar weaknesses in other components of the financial services infrastructure that may be similarly vulnerable to privilege escalation attacks.