CVE-2017-10012 in FLEXCUBE Private Banking
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Private Banking component of Oracle Financial Services Applications (subcomponent: Operations). 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 update, insert or delete access to some of Oracle FLEXCUBE Private Banking accessible data as well as unauthorized read access to a subset of Oracle FLEXCUBE Private Banking accessible data. CVSS 3.0 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).
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Analysis
by VulDB Data Team • 01/03/2021
The vulnerability identified as CVE-2017-10012 resides within Oracle FLEXCUBE Private Banking, a critical component of Oracle Financial Services Applications that serves as a foundational platform for private banking operations. This vulnerability specifically affects version 2.0.0, 2.0.1, 2.2.0, and 12.0.1 of the FLEXCUBE Private Banking subcomponent known as Operations, making it a targeted issue within the financial services software ecosystem where data integrity and access control are paramount. The flaw represents a significant security weakness that directly impacts the confidentiality and integrity of sensitive financial data through a well-defined attack vector that requires minimal privileges to exploit.
The technical nature of this vulnerability stems from inadequate access controls within the Oracle FLEXCUBE Private Banking application, allowing attackers with low privileges and network access via HTTP to bypass normal security restrictions. This represents a classic case of insufficient authorization checks where the system fails to properly validate user permissions before granting access to data modification and retrieval functions. The vulnerability manifests as an insufficient authorization flaw that enables unauthorized users to perform update, insert, and delete operations on specific data sets within the system, while also permitting unauthorized read access to sensitive data subsets. This weakness operates at the application layer and specifically affects the data access controls that should normally restrict operations based on user roles and permissions.
From an operational perspective, this vulnerability creates a substantial risk profile for financial institutions utilizing Oracle FLEXCUBE Private Banking systems, as it allows attackers to compromise the integrity of financial data and potentially access confidential customer information. The CVSS 3.0 score of 5.4 indicates a medium severity vulnerability that could result in significant financial and reputational damage, particularly given that the attack requires minimal privileges and can be executed over a network connection. The impact encompasses both confidentiality and integrity aspects, meaning that attackers could not only read sensitive financial data but also modify or delete it, potentially leading to financial losses, regulatory violations, and compliance breaches. The vulnerability's ease of exploitation makes it particularly dangerous as it requires no specialized tools or advanced technical skills beyond basic network access.
Organizations affected by this vulnerability should implement immediate mitigations including applying Oracle's security patches and updates to the affected versions, reviewing and strengthening access controls within the FLEXCUBE Private Banking environment, and implementing network segmentation to limit access to critical financial applications. Security teams should also conduct comprehensive access control reviews to ensure that user permissions align with the principle of least privilege, while monitoring for suspicious activities that might indicate exploitation attempts. This vulnerability aligns with CWE-284 (Improper Access Control) and maps to ATT&CK technique T1078 (Valid Accounts) and T1566 (Phishing) as attackers may leverage compromised accounts to exploit this weakness. The remediation process should include thorough testing of patches in development environments before deployment to production systems to ensure that security updates do not introduce functional regressions in critical banking operations.