CVE-2017-10084 in FLEXCUBE Universal Banking
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Universal Banking component of Oracle Financial Services Applications (subcomponent: Report Generator). Supported versions that are affected are 11.3.0, 11.4.0, 12.0.1, 12.0.2, 12.0.3, 12.1.0, 12.2.0 and 12.3.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Universal Banking. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle FLEXCUBE Universal Banking accessible data. CVSS 3.0 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 01/03/2021
The vulnerability identified as CVE-2017-10084 resides within Oracle FLEXCUBE Universal Banking's Report Generator subcomponent, a critical financial services application used by banks and financial institutions worldwide. This particular weakness affects multiple major versions including 11.3.0 through 12.3.0, representing a substantial attack surface across the Oracle Financial Services Applications ecosystem. The vulnerability's classification as easily exploitable indicates that malicious actors require minimal prerequisites to leverage this flaw, making it particularly dangerous in production environments where such systems handle sensitive financial data and transactions.
The technical nature of this vulnerability stems from insufficient authorization controls within the Report Generator functionality, allowing attackers with low privilege levels to bypass normal access restrictions. The attack vector operates through HTTP network connections, meaning that an unauthenticated attacker could potentially exploit this weakness from remote locations without requiring physical access or elevated credentials. This represents a significant bypass of the principle of least privilege that should normally govern access to critical financial data within banking systems. The vulnerability's CVSS score of 6.5 reflects the high impact potential for confidentiality breaches, with the potential for unauthorized access to all accessible data within the Oracle FLEXCUBE Universal Banking environment.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation could lead to complete compromise of the financial institution's data integrity and confidentiality. Attackers could potentially access sensitive customer information, transaction records, account details, and other critical financial data that would enable sophisticated fraud operations, money laundering activities, or targeted attacks against specific customers. The lack of integrity and availability impacts in the CVSS vector suggests that while the primary concern is data confidentiality, the potential for cascading effects through data manipulation or system disruption remains a significant concern for financial institutions. Organizations relying on Oracle FLEXCUBE Universal Banking for their core operations face substantial risk exposure from this vulnerability, particularly given the widespread adoption of these applications across the financial services industry.
Mitigation strategies should focus on immediate patch deployment from Oracle to address the authorization bypass issue within the Report Generator component. Organizations must also implement network segmentation and access controls to limit exposure of the affected systems to untrusted networks. Additional defensive measures include monitoring for unusual report generation activities, implementing intrusion detection systems specifically configured to identify exploitation attempts, and conducting comprehensive security assessments of all Oracle FLEXCUBE installations. The vulnerability aligns with CWE-284 (Improper Access Control) and represents a clear violation of the ATT&CK technique T1078 (Valid Accounts) as attackers could leverage legitimate user accounts to access restricted functionality. Regular security audits and privilege reviews should be implemented to reduce the attack surface and ensure that only authorized personnel maintain access to critical financial data within the affected systems.