CVE-2017-3478 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 12.0.0 and 12.1.0. 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 • 12/19/2020
The vulnerability identified as CVE-2017-3478 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 vulnerability specifically affects versions 12.0.0 and 12.1.0 of the FLEXCUBE Private Banking subcomponent known as Miscellaneous, representing a significant security weakness in financial services infrastructure that could compromise sensitive banking data and operations.
The technical flaw manifests as an insufficient authorization mechanism within the web application layer of the FLEXCUBE Private Banking system, allowing attackers with minimal privileges to exploit a path traversal or injection vulnerability through HTTP network access. This weakness enables unauthorized users to manipulate application logic and gain access to restricted functionalities that should only be available to authorized personnel. The vulnerability's classification as easily exploitable indicates that the attack vector requires minimal technical expertise and can be executed through standard network-based penetration testing tools.
The operational impact of this vulnerability extends beyond simple data access, as successful exploitation can result in unauthorized modification of critical banking records through update, insert, and delete operations. Additionally, attackers can obtain unauthorized read access to sensitive data subsets, potentially exposing customer financial information, transaction records, and other confidential banking data. The CVSS 3.0 score of 5.4 reflects the moderate severity of this vulnerability, with equal emphasis on confidentiality and integrity impacts that could severely compromise the trust and security of financial institutions using this software.
Organizations utilizing affected versions of Oracle FLEXCUBE Private Banking should immediately implement mitigations including network segmentation to limit access to the vulnerable application, implementation of robust authentication controls, and deployment of web application firewalls to monitor and filter HTTP traffic. The vulnerability aligns with CWE-284 (Improper Access Control) and can be mapped to ATT&CK technique T1078 (Valid Accounts) and T1566 (Phishing) as attackers may leverage compromised credentials or social engineering to gain initial access before exploiting this specific authorization flaw. Regular security assessments and patch management protocols should be enforced to prevent exploitation attempts and maintain compliance with financial regulatory requirements.