CVE-2017-3472 in FLEXCUBE Private Banking
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Private Banking component of Oracle Financial Services Applications (subcomponent: Portfolio Management). Supported versions that are affected are 2.0.0, 2.0.1, 2.2.0.1 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 creation, deletion or modification access to critical data or all Oracle FLEXCUBE Private Banking accessible data as well as unauthorized access to critical data or complete access to all Oracle FLEXCUBE Private Banking accessible data. CVSS 3.0 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 12/19/2020
The vulnerability identified as CVE-2017-3472 represents a critical security flaw within Oracle FLEXCUBE Private Banking, specifically within the Portfolio Management subcomponent of Oracle Financial Services Applications. This vulnerability affects multiple version releases including 2.0.0, 2.0.1, 2.2.0.1, and 12.0.1, indicating a widespread impact across the product's lifecycle. The flaw resides in the authentication and authorization mechanisms that govern access to sensitive financial data within the private banking environment, creating a significant risk for financial institutions utilizing this platform.
The technical nature of this vulnerability allows for what is classified as an "easily exploitable" attack vector, meaning that malicious actors with minimal technical expertise can potentially compromise the system. The attack requires only network access via HTTP, making it particularly dangerous as it can be executed from remote locations without requiring physical access to the network infrastructure. This low privilege requirement combined with the network-based attack surface creates an environment where even relatively unskilled attackers can potentially gain unauthorized access to critical financial data. The vulnerability's classification under CWE-284 (Improper Access Control) reflects the fundamental flaw in the system's authorization mechanisms that permit unauthorized data manipulation and access.
The operational impact of this vulnerability extends far beyond simple data theft, as successful exploitation can result in unauthorized creation, deletion, or modification of critical financial data within the private banking system. This encompasses not just read access to sensitive customer information but also the ability to alter transaction records, modify account balances, and potentially manipulate investment portfolios managed through the FLEXCUBE platform. The CVSS 3.0 Base Score of 8.1 indicates a high severity level that reflects both the confidentiality and integrity impacts, with the potential for complete data compromise across all accessible system data. The attack vector assessment (AV:N) shows that the vulnerability can be exploited remotely over the network, while the low access complexity (AC:L) and low privilege requirements (PR:L) mean that the attack surface is broad and accessible to various threat actors.
Organizations utilizing Oracle FLEXCUBE Private Banking must implement immediate mitigations to protect their financial data and customer information from potential exploitation. The recommended approach includes applying the vendor-provided security patches and updates as soon as they become available, implementing network segmentation to limit access to the vulnerable components, and establishing robust monitoring protocols to detect unauthorized access attempts. Additionally, organizations should consider implementing additional authentication controls, such as multi-factor authentication, to add layers of protection beyond the vulnerable authentication mechanisms. The ATT&CK framework's T1078 (Valid Accounts) and T1566 (Phishing) techniques are particularly relevant as threat actors may attempt to leverage compromised credentials or social engineering approaches to exploit this vulnerability. Given the high impact potential and the ease of exploitation, financial institutions should also conduct comprehensive security assessments to identify any other potentially vulnerable components within their Oracle Financial Services Applications ecosystem and ensure proper network access controls are implemented to prevent unauthorized access to critical financial data repositories.