CVE-2013-2387 in FLEXCUBE Direct Banking
Summary
by MITRE
Unspecified vulnerability in the Oracle FLEXCUBE Direct Banking component in Oracle Financial Services Software 2.8.0 through 4.1.0 allows remote authenticated users to affect confidentiality and integrity via vectors related to BASE.
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Analysis
by VulDB Data Team • 04/27/2017
The vulnerability identified as CVE-2013-2387 resides within the Oracle FLEXCUBE Direct Banking component, a critical financial services application developed by Oracle Financial Services Software. This component serves as a web-based banking platform that enables customers to perform various financial transactions online, making it a prime target for cyber adversaries seeking to compromise financial data integrity and confidentiality. The affected versions span from 2.8.0 through 4.1.0, indicating a significant timeframe of potential exposure for organizations utilizing this banking software. The vulnerability's classification as unspecified suggests that the exact technical details of the flaw were not fully disclosed in the initial CVE description, though it was determined to be remotely exploitable by authenticated users.
The technical nature of this vulnerability is rooted in the BASE component of the FLEXCUBE Direct Banking system, which handles core banking operations including customer authentication, transaction processing, and data management. As an authenticated user can exploit this weakness, the attack vector likely involves leveraging legitimate credentials to gain unauthorized access to sensitive banking functionalities. The BASE component typically manages fundamental data structures and business logic that govern how financial transactions are processed, making any compromise of its integrity or confidentiality potentially devastating. This vulnerability operates at a level that affects both data confidentiality and integrity, meaning attackers could not only read sensitive financial information but also modify transaction records, customer data, or system configurations.
The operational impact of CVE-2013-2387 extends beyond simple data theft, as it represents a fundamental breach in the security architecture of financial institutions relying on Oracle FLEXCUBE Direct Banking. Organizations using affected versions face significant risks including unauthorized fund transfers, data manipulation, customer identity theft, and potential regulatory violations under financial compliance frameworks such as SOX and PCI DSS. The remote exploitation capability means that attackers do not need physical access to the network, allowing them to target systems from anywhere with valid credentials. This vulnerability directly impacts the CIA triad of information security, compromising both confidentiality through unauthorized data access and integrity through potential data modification. The business continuity implications are severe, as financial institutions may face customer trust erosion, regulatory penalties, and substantial financial losses.
Organizations should implement immediate mitigation strategies including applying the latest security patches from Oracle, conducting thorough vulnerability assessments of their FLEXCUBE implementations, and enhancing monitoring of authentication activities. The vulnerability aligns with CWE-284, which addresses improper access control, and potentially relates to ATT&CK techniques involving privilege escalation and credential access. Network segmentation should be implemented to limit the attack surface, while enhanced logging and audit trails must be deployed to detect suspicious authentication patterns. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other financial systems. Additionally, organizations should review their incident response procedures to ensure rapid detection and remediation of such security breaches, particularly given the critical nature of financial data protection requirements under industry standards and regulatory compliance frameworks.