CVE-2016-3464 in FLEXCUBE Direct Banking
Summary
by MITRE
Unspecified vulnerability in the Oracle FLEXCUBE Direct Banking component in Oracle Financial Services Software 12.0.3 allows remote authenticated users to affect confidentiality via vectors related to Accounts.
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Analysis
by VulDB Data Team • 07/26/2022
The vulnerability identified as CVE-2016-3464 resides within the Oracle FLEXCUBE Direct Banking component of Oracle Financial Services Software version 12.0.3, representing a significant security weakness that impacts the confidentiality of financial data. This vulnerability affects organizations utilizing Oracle Financial Services Software solutions, particularly those relying on the FLEXCUBE Direct Banking module for customer account management and financial transactions. The unspecified nature of the vulnerability details suggests that the exact technical mechanism remains undisclosed, though the classification indicates a serious flaw that could compromise sensitive financial information. The affected component specifically relates to account management functionalities, making it particularly dangerous for financial institutions that handle large volumes of customer account data.
The technical flaw manifests through vectors related to account handling within the Oracle FLEXCUBE Direct Banking system, allowing authenticated attackers to potentially access confidential account information without proper authorization. This vulnerability operates at the application layer and requires successful authentication before exploitation can occur, meaning that attackers must first obtain valid credentials to leverage this weakness. The nature of the vulnerability suggests a potential issue with access controls or data validation mechanisms within the account management subsystem, where proper authorization checks may be insufficient or improperly implemented. This type of vulnerability falls under the broader category of information disclosure flaws that can lead to unauthorized data access and potential financial fraud.
The operational impact of this vulnerability extends beyond simple data exposure, as it could enable attackers to gain insights into customer account structures, transaction histories, and financial behaviors. Financial institutions operating with vulnerable versions of Oracle FLEXCUBE Direct Banking face significant risks including regulatory compliance violations, customer trust erosion, and potential financial losses from fraudulent activities. The vulnerability's remote exploitation capability means that attackers can potentially access the system from external networks, amplifying the threat surface and making it particularly dangerous for organizations with internet-facing financial applications. Organizations may experience increased audit scrutiny, regulatory penalties, and reputational damage if such vulnerabilities are exploited successfully.
Mitigation strategies for CVE-2016-3464 should prioritize immediate patching of the Oracle Financial Services Software to the latest available version that addresses this vulnerability. Organizations should implement comprehensive network segmentation to limit access to the vulnerable system and establish robust monitoring for unauthorized access attempts. Access controls should be reviewed and strengthened to ensure that only authorized personnel can access account information, while implementing principle of least privilege where possible. Security teams should conduct thorough vulnerability assessments to identify any other potentially affected components within their Oracle Financial Services environment. Regular security audits and penetration testing can help identify similar weaknesses in the broader financial services infrastructure. Organizations should also consider implementing data loss prevention solutions and enhanced logging mechanisms to detect and respond to potential exploitation attempts. The vulnerability aligns with CWE-284 which addresses improper access control issues, and may be categorized under ATT&CK technique T1071.004 for application layer protocol usage, highlighting the importance of proper authentication and authorization controls in financial software environments.