CVE-2017-10103 in FLEXCUBE Private Banking
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Private Banking component of Oracle Financial Services Applications (subcomponent: Miscellaneous). Supported versions that are affected are 2.0.0, 2.0.1, 2.2.0 and 12.0.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Private Banking. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle FLEXCUBE Private 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-2017-10103 resides within Oracle FLEXCUBE Private Banking, a critical component of Oracle Financial Services Applications that serves as a comprehensive banking solution for private banking operations. This specific weakness manifests in the Miscellaneous subcomponent, which handles various auxiliary functions within the financial services platform. The affected versions 2.0.0, 2.0.1, 2.2.0, and 12.0.1 represent a significant portion of the deployed installations, making this vulnerability particularly concerning for financial institutions relying on these systems. The vulnerability's classification as easily exploitable indicates that the attack surface is well-defined and accessible to adversaries with minimal technical sophistication, while the low privilege requirement suggests that even users with limited access rights can potentially leverage this weakness for unauthorized activities.
The technical flaw underlying CVE-2017-10103 represents a critical authorization bypass vulnerability that allows attackers to access sensitive data through HTTP network connections. This weakness operates at the application layer, where the system fails to properly validate user permissions before granting access to confidential information. The vulnerability's CVSS score of 6.5 reflects the high impact on confidentiality, as successful exploitation can lead to unauthorized access to critical financial data or complete access to all accessible data within the FLEXCUBE Private Banking environment. The attack vector requires only network access via HTTP, making it particularly dangerous as it can be exploited from external networks without requiring physical access to the organization's infrastructure. The low attack complexity and lack of user interaction requirements mean that automated exploitation tools could potentially leverage this vulnerability at scale.
The operational impact of this vulnerability extends beyond simple data theft, as it creates an environment where unauthorized parties can gain complete access to sensitive customer financial information, transaction records, and private banking data. This level of access could enable sophisticated financial fraud operations, identity theft, and regulatory compliance violations that could result in significant financial losses and reputational damage for affected institutions. The vulnerability's ability to compromise all accessible data within the FLEXCUBE Private Banking system means that attackers could potentially access multiple customer accounts and financial records simultaneously, amplifying the potential damage. Organizations using these affected versions face heightened risk of data breaches that could violate financial regulations such as SOX, PCI DSS, and various banking confidentiality requirements.
Mitigation strategies for CVE-2017-10103 should prioritize immediate patching of affected systems with Oracle's security updates, as this represents the most effective defense against exploitation. Organizations should implement network segmentation and access controls to limit HTTP access to the FLEXCUBE Private Banking components, reducing the attack surface available to potential adversaries. The implementation of web application firewalls and intrusion detection systems can provide additional monitoring capabilities to detect suspicious HTTP traffic patterns that might indicate exploitation attempts. Security teams should conduct comprehensive vulnerability assessments to identify all instances of the affected versions and establish monitoring protocols for unauthorized access attempts. This vulnerability aligns with CWE-285, which addresses improper authorization within software systems, and maps to ATT&CK technique T1071.004 for application layer protocol traffic, emphasizing the need for network-level controls and application security measures to prevent unauthorized data access. Organizations must also consider implementing regular security assessments and penetration testing to identify similar vulnerabilities within their financial services applications.