CVE-2016-5622 in FLEXCUBE Universal Banking
Summary
by MITRE
Unspecified vulnerability in the Oracle FLEXCUBE Universal Banking component in Oracle Financial Services Applications 11.3.0, 11.4.0, 12.0.1 through 12.0.3, 12.1.0, and 12.2.0 allows remote attackers to affect confidentiality and integrity via vectors related to INFRA.
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Analysis
by VulDB Data Team • 09/27/2022
The vulnerability identified as CVE-2016-5622 affects the Oracle FLEXCUBE Universal Banking component within Oracle Financial Services Applications across multiple versions including 11.3.0, 11.4.0, 12.0.1 through 12.0.3, 12.1.0, and 12.2.0. This represents a critical security weakness in financial services software that serves as a cornerstone for banking operations worldwide. The unspecified nature of the vulnerability makes it particularly concerning as it could encompass multiple attack vectors and exploitation methods that are not fully disclosed in the initial CVE description. The affected component falls under the INFRA category, indicating it likely pertains to infrastructure or underlying system components rather than user-facing interfaces or application logic layers.
The technical flaw resides within the Oracle FLEXCUBE Universal Banking framework, which is designed to provide comprehensive banking solutions including core banking, treasury management, and customer relationship management capabilities. This vulnerability enables remote attackers to compromise both confidentiality and integrity of the affected systems, suggesting that attackers could potentially access sensitive financial data while simultaneously modifying critical system information. The INFRA classification points to underlying architectural weaknesses that may involve authentication mechanisms, data transmission protocols, or system configuration management components. Such vulnerabilities in banking infrastructure pose severe risks as they could allow unauthorized access to customer financial information, transaction records, and system configuration data that could be exploited for financial fraud or system manipulation.
The operational impact of this vulnerability extends beyond simple data breaches, as it affects the fundamental trust and integrity of financial institutions using Oracle FLEXCUBE Universal Banking solutions. Attackers exploiting this weakness could potentially manipulate financial transactions, alter customer account information, or gain unauthorized access to sensitive banking data that would compromise regulatory compliance and customer trust. The remote nature of the attack vector means that threat actors do not require physical access to the systems, making the vulnerability particularly dangerous for organizations that rely on network-based access to their banking applications. Financial institutions using these affected versions may face regulatory penalties, reputational damage, and significant financial losses if exploited successfully. The vulnerability's presence across multiple versions indicates a systemic issue that would require comprehensive patching efforts across various system deployments.
Organizations should implement immediate mitigation strategies including applying the relevant Oracle security patches and updates released for this vulnerability. Network segmentation and access controls should be strengthened to limit potential attack surfaces, while monitoring systems should be enhanced to detect unusual access patterns or data modifications. The vulnerability aligns with CWE-284 (Improper Access Control) and potentially CWE-310 (Cryptographic Issues) depending on the specific implementation details. From an ATT&CK framework perspective, this vulnerability could map to techniques involving privilege escalation and credential access, potentially enabling adversaries to maintain persistent access to banking systems. Organizations should also conduct comprehensive security assessments of their Oracle FLEXCUBE implementations to identify any additional weaknesses that may compound the risks associated with this vulnerability. Regular security audits and vulnerability scanning should be implemented to ensure ongoing protection against similar threats that may emerge in the financial services infrastructure landscape.