CVE-2017-3491 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 12.0.1 and 12.1.0. 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 access to critical data or complete access to all Oracle FLEXCUBE Enterprise Limits and Collateral Management accessible data. CVSS 3.0 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/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-2017-3491 resides within Oracle FLEXCUBE Enterprise Limits and Collateral Management component, specifically affecting versions 12.0.1 and 12.1.0 of the Oracle Financial Services Applications suite. This represents a critical security weakness that falls under CWE-284, which addresses improper access control mechanisms within software systems. The vulnerability's classification as easily exploitable indicates that attackers require minimal privileges and can leverage network-based HTTP access to target the system, making it particularly dangerous in financial environments where sensitive data handling is paramount.
The technical flaw manifests as a weakness in the access control implementation within the limits and collateral management subcomponent, allowing an attacker with low privileges to bypass authorization mechanisms and gain unauthorized access to sensitive financial data. The CVSS 3.0 scoring of 6.5 reflects the high impact on confidentiality, with a base score that indicates significant data exposure risks. The attack vector requires network access via HTTP, meaning that the vulnerability can be exploited remotely without requiring physical access to the system, which greatly increases the attack surface and potential impact. This aligns with ATT&CK technique T1071.004 for application layer protocol usage and T1190 for exploitation of remote services.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation can result in complete access to all data within the Oracle FLEXCUBE Enterprise Limits and Collateral Management system. Financial institutions utilizing this platform face severe risks including exposure of customer financial information, transaction details, and collateral management data that could be used for fraudulent activities or competitive intelligence gathering. The confidentiality impact rating of high severity suggests that attackers could potentially access sensitive financial records, credit limit information, and collateral valuations that form the core of enterprise financial risk management processes. This vulnerability directly threatens the integrity of financial decision-making processes and could lead to significant financial losses or regulatory compliance violations.
Organizations affected by CVE-2017-3491 should implement immediate mitigations including applying Oracle's security patches and updates, implementing network segmentation to limit access to the vulnerable component, and conducting thorough access control reviews to ensure proper privilege management. The vulnerability demonstrates the importance of maintaining up-to-date security configurations and the critical need for regular vulnerability assessments in financial applications. Security teams should also consider implementing network monitoring solutions to detect unauthorized access attempts and establish incident response procedures specifically tailored to address financial data exposure scenarios. Additional protective measures may include disabling unnecessary HTTP services, implementing strong authentication mechanisms, and establishing robust audit trails to track access to sensitive financial data within the FLEXCUBE environment.