CVE-2018-3042 in Banking Corporate Lending
Summary
by MITRE
Vulnerability in the Oracle Banking Corporate Lending component of Oracle Financial Services Applications (subcomponent: Core module). Supported versions that are affected are 12.3.0, 12.4.0, 12.5.0, 14.0.0 and 14.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Banking Corporate Lending. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Banking Corporate Lending accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Banking Corporate Lending. CVSS 3.0 Base Score 5.4 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L).
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Analysis
by VulDB Data Team • 04/10/2023
The vulnerability identified as CVE-2018-3042 resides within Oracle Banking Corporate Lending component of Oracle Financial Services Applications, specifically within the Core module of the software stack. This flaw affects multiple supported versions including 12.3.0, 12.4.0, 12.5.0, 14.0.0, and 14.1.0, indicating a widespread impact across the product lifecycle. The vulnerability is classified as easily exploitable, which means that an attacker with minimal technical expertise can leverage this weakness without requiring advanced skills or specialized tools. The attack vector requires only network access via HTTP, making it particularly dangerous as it can be exploited from remote locations without physical access to the target system. This vulnerability represents a significant security risk for financial institutions that rely on Oracle's banking solutions for their corporate lending operations.
The technical nature of this vulnerability allows a low-privileged attacker to gain unauthorized access to sensitive data within the Oracle Banking Corporate Lending environment. The flaw enables unauthorized update, insert, or delete operations against specific data accessible through the affected component, which directly impacts data integrity as classified by the CVSS 3.0 scoring system. Additionally, the vulnerability can be exploited to cause partial denial of service conditions, affecting the availability of the banking application and potentially disrupting critical corporate lending processes. The CVSS 3.0 base score of 5.4 reflects the moderate severity of this vulnerability, with the integrity impact rated as low and availability impact as low, though the combination of these elements creates a meaningful threat to operational continuity. The CVSS vector (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L) indicates that the attack requires network access with low complexity, can be executed by a low privileged user, does not require user interaction, and affects the entire system with potential for unauthorized data modification and partial service disruption.
The operational impact of CVE-2018-3042 extends beyond simple data compromise, as it threatens the core functionality of corporate lending operations within financial institutions. Organizations utilizing affected Oracle Financial Services Applications may experience unauthorized modifications to loan data, customer information, or financial records, potentially leading to significant financial losses and regulatory compliance issues. The partial denial of service capability means that critical banking operations could be disrupted, affecting loan processing, customer service, and overall business continuity. This vulnerability particularly concerns financial institutions that handle sensitive corporate lending data, as it provides an attack surface that could be exploited to manipulate financial records or disrupt service delivery. The low privilege requirement makes this vulnerability especially dangerous as it could be exploited by insiders or external attackers who have gained minimal access to the network.
Organizations should implement immediate mitigations including applying the relevant Oracle security patches and updates released to address this vulnerability. Network segmentation and access controls should be strengthened to limit access to the affected Oracle Banking Corporate Lending applications, particularly restricting HTTP access to authorized personnel only. Security monitoring should be enhanced to detect potential exploitation attempts through unusual data modification patterns or service disruption activities. The vulnerability aligns with CWE-284 (Improper Access Control) and can be mapped to ATT&CK techniques related to privilege escalation and data manipulation. Regular security assessments should be conducted to identify and remediate similar access control weaknesses in other Oracle Financial Services Applications components. Additionally, implementing network intrusion detection systems and maintaining comprehensive audit logs will help organizations detect and respond to exploitation attempts effectively, while ensuring compliance with financial regulatory requirements that mandate robust security controls for corporate lending operations.