CVE-2016-5502 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 allows remote authenticated users 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-2016-5502 resides within Oracle FLEXCUBE Universal Banking component, a critical financial services application that forms part of Oracle Financial Services Applications suite. This particular weakness affects multiple versions including 11.3.0, 11.4.0, and 12.0.1 through 12.0.3, indicating a significant attack surface across the product lifecycle. The vulnerability is classified as unspecified, meaning the exact technical details were not fully disclosed in the initial advisory, which is common with certain Oracle security advisories that may be released in phases or require additional investigation to fully understand the scope.
The affected component specifically relates to the INFRA module within the Oracle FLEXCUBE Universal Banking framework, which serves as a foundational infrastructure layer supporting core banking operations. This designation suggests that the vulnerability impacts fundamental system components that handle data processing, transaction management, and possibly user authentication mechanisms. The INFRA component typically manages critical system functions such as data integrity controls, access management, and communication protocols that are essential for maintaining the security posture of financial institutions using this platform.
Remote authenticated users can exploit this vulnerability to compromise both confidentiality and integrity of the affected system, representing a serious security risk for financial institutions. The ability to affect confidentiality means that attackers could potentially access sensitive financial data, customer information, transaction records, and other proprietary data that the system is designed to protect. The integrity impact indicates that malicious actors could modify or corrupt data within the system, potentially leading to financial loss, transaction manipulation, or disruption of business operations. This dual impact makes the vulnerability particularly dangerous as it allows for both data theft and data corruption attacks.
The attack vector requiring authentication suggests that the vulnerability cannot be exploited by anonymous users, but rather by individuals who have already established valid credentials within the system. This characteristic reduces the initial attack surface but does not eliminate the risk, as compromised legitimate accounts or insider threats could leverage this vulnerability. The authentication requirement also implies that the vulnerability likely exists in privilege escalation mechanisms, access control enforcement, or data processing functions that are accessible only to authenticated users, making it a potential target for lateral movement within the system.
From a cybersecurity perspective, this vulnerability aligns with common attack patterns found in financial services applications where data integrity and confidentiality are paramount. The impact extends beyond simple data compromise to potentially affect the entire financial ecosystem that relies on the FLEXCUBE platform for core banking operations. Organizations using this software may face regulatory compliance issues, financial losses, and reputational damage if this vulnerability is exploited successfully. The vulnerability demonstrates the importance of maintaining up-to-date security patches and implementing proper access controls within financial applications.
Security professionals should consider this vulnerability in relation to the MITRE ATT&CK framework, particularly within the privilege escalation and defense evasion categories, as attackers could leverage this weakness to gain deeper access to system resources. The vulnerability also maps to CWE categories related to insufficient access control and data integrity issues, emphasizing the need for robust access management and data protection mechanisms. Organizations should implement comprehensive monitoring solutions to detect potential exploitation attempts and establish incident response procedures specifically designed to handle such vulnerabilities in critical financial infrastructure.
The remediation approach for this vulnerability would typically involve applying the appropriate Oracle security patches or updates released for the affected versions of Oracle Financial Services Applications. Organizations should conduct thorough risk assessments to understand their specific exposure and implement additional security controls such as network segmentation, enhanced monitoring, and privileged access management to reduce the potential impact of exploitation. Regular vulnerability assessments and penetration testing should be conducted to identify similar weaknesses in the broader financial services infrastructure that may be vulnerable to similar attacks.