CVE-2018-3033 in FLEXCUBE Investor Servicing
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Investor Servicing component of Oracle Financial Services Applications (subcomponent: Infrastructure). Supported versions that are affected are 12.0.4, 12.1.0, 12.3.0 and 12.4.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Investor Servicing. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle FLEXCUBE Investor Servicing accessible data. CVSS 3.0 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 04/10/2023
The vulnerability identified as CVE-2018-3033 resides within Oracle FLEXCUBE Investor Servicing, a critical component of Oracle Financial Services Applications that manages investment servicing operations for financial institutions. This particular flaw affects multiple versions including 12.0.4, 12.1.0, 12.3.0, and 12.4.0, representing a significant attack surface across the product lifecycle. The vulnerability operates within the Infrastructure subcomponent of the broader FLEXCUBE ecosystem, which serves as the foundational layer supporting various financial services operations. The affected system architecture processes sensitive financial data including investor holdings, transaction records, and portfolio management information, making it a prime target for adversaries seeking financial gain or data theft.
The technical implementation flaw manifests as a security weakness that allows an attacker with minimal privileges to exploit network-based HTTP access points to compromise the system. This vulnerability operates with a CVSS 3.0 base score of 5.3, indicating a medium severity threat level that requires high attack complexity but can be executed by low-privileged users. The vulnerability's classification as difficult to exploit suggests that while the attack vector exists, it requires specific conditions and potentially advanced knowledge of the target environment. The attack surface is primarily accessible through standard HTTP protocols, which means that adversaries could potentially leverage common web-based attack techniques to gain unauthorized access. The system's infrastructure layer, which typically handles authentication, authorization, and data processing functions, becomes compromised through this vulnerability.
The operational impact of this vulnerability extends beyond simple data access, potentially enabling complete access to all data within the Oracle FLEXCUBE Investor Servicing environment. This comprehensive access level represents a severe risk to financial institutions that rely on the system for critical investor services. The confidentiality impact rating of high indicates that successful exploitation could result in unauthorized disclosure of sensitive financial information including personal investor data, transaction histories, and portfolio details. Such exposure could lead to regulatory violations, financial losses, reputational damage, and potential legal consequences for affected organizations. The vulnerability's potential to compromise critical data makes it particularly dangerous in financial services environments where data integrity and confidentiality are paramount.
Mitigation strategies for CVE-2018-3033 should prioritize immediate patch management and network segmentation to limit access to the vulnerable system. Organizations should implement network monitoring to detect unusual HTTP traffic patterns that might indicate exploitation attempts. The vulnerability aligns with CWE-284 (Improper Access Control) and represents a weakness in the system's authorization mechanisms that allows unauthorized access to protected resources. Security controls should include implementing strong access controls, regularly updating system components, and conducting vulnerability assessments to identify similar weaknesses. The ATT&CK framework categorizes this vulnerability under privilege escalation and credential access techniques, suggesting that adversaries might use this entry point to establish persistent access to financial systems. Organizations should also consider implementing application firewalls, intrusion detection systems, and comprehensive logging to track access attempts and identify potential exploitation activities. Regular security assessments and penetration testing help organizations understand their exposure to similar vulnerabilities within their financial services infrastructure.