CVE-2018-2896 in Banking Payments
Summary
by MITRE
Vulnerability in the Oracle Banking Payments component of Oracle Financial Services Applications (subcomponent: Payments Core). Supported versions that are affected are 12.2.0, 12.3.0, 12.4.0, 12.5.0 and 14.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Banking Payments. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Banking Payments, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Banking Payments accessible data as well as unauthorized read access to a subset of Oracle Banking Payments accessible data. CVSS 3.0 Base Score 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N).
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Analysis
by VulDB Data Team • 04/10/2023
The vulnerability identified as CVE-2018-2896 resides within Oracle Banking Payments component of Oracle Financial Services Applications, specifically within the Payments Core subcomponent. This critical security flaw affects multiple supported versions including 12.2.0, 12.3.0, 12.4.0, 12.5.0, and 14.1.0, making it a widespread concern across various iterations of the financial services platform. The vulnerability classification as easily exploitable indicates that attackers can leverage this weakness without requiring specialized skills or extensive resources, significantly amplifying the potential threat landscape.
The technical nature of this vulnerability stems from insufficient authentication mechanisms within the HTTP communication layer of the Oracle Banking Payments system. An unauthenticated attacker positioned on the network can exploit this weakness to gain unauthorized access to the payment processing infrastructure. This vulnerability operates under the Common Weakness Enumeration framework as CWE-287, which specifically addresses improper authentication issues within software systems. The attack vector requires network access via HTTP protocols, making it particularly dangerous in environments where such communication channels are not adequately secured or monitored.
The operational impact of CVE-2018-2896 extends beyond mere data access violations, as successful exploitation can result in unauthorized modification of payment records through update, insert, and delete operations. Additionally, attackers can gain unauthorized read access to sensitive data subsets within the payment processing environment, potentially exposing confidential financial information. The CVSS 3.0 scoring system assigns a base score of 6.1, reflecting the moderate severity level that combines confidentiality and integrity impacts. The vector notation AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N indicates that the attack requires no privileges, low complexity, and human interaction, while the scope expansion (S:C) suggests potential impact on additional products beyond the primary target.
This vulnerability creates significant risk for financial institutions utilizing Oracle Financial Services Applications, as payment processing systems represent critical infrastructure requiring robust security controls. The requirement for human interaction implies that social engineering or targeted phishing attacks could facilitate exploitation, making the threat landscape more complex. Organizations should consider implementing network segmentation to isolate payment processing systems, deploying intrusion detection systems to monitor for suspicious HTTP traffic, and ensuring regular patch management processes are in place. The ATT&CK framework categorizes this vulnerability under the T1190 technique for Exploit Public-Facing Application, highlighting the need for perimeter security measures and application-level monitoring to detect and prevent unauthorized access attempts.