CVE-2018-3038 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 unauthenticated attacker with network access via HTTP to compromise Oracle Banking Corporate Lending. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Banking Corporate Lending accessible data. CVSS 3.0 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 04/10/2023
The vulnerability identified as CVE-2018-3038 resides within Oracle Banking Corporate Lending component of Oracle Financial Services Applications, specifically affecting the Core module across multiple supported versions including 12.3.0, 12.4.0, 12.5.0, 14.0.0, and 14.1.0. This represents a significant security weakness in financial services software that handles critical corporate lending operations and data management processes. The vulnerability's classification as easily exploitable indicates that malicious actors with minimal technical expertise and network access can potentially compromise the system without requiring authentication credentials or privileged access.
The technical flaw manifests through an insufficient access control mechanism within the HTTP communication layer of the Oracle Banking Corporate Lending application. This weakness allows unauthorized network-based attackers to bypass normal authentication procedures and gain access to sensitive data within the system. The vulnerability specifically impacts confidentiality by enabling unauthorized read access to a subset of accessible data within the application's database or file systems. The CVSS 3.0 base score of 5.3 reflects the moderate severity of this issue, with the confidentiality impact rated as low, though the potential for data exposure remains concerning in financial environments where sensitive corporate lending information is processed.
From an operational perspective, this vulnerability presents substantial risk to financial institutions utilizing Oracle Financial Services Applications, particularly those managing corporate lending operations that involve sensitive customer data, loan information, credit assessments, and financial transaction records. The unauthenticated nature of the attack means that any network traffic directed toward the vulnerable system could potentially be exploited without detection, creating a persistent threat vector for malicious actors. The impact extends beyond simple data theft as compromised lending information could be used for financial fraud, competitive intelligence gathering, or to facilitate more sophisticated attacks against the institution's broader financial infrastructure.
The vulnerability aligns with CWE-284 (Improper Access Control) and represents a classic example of insufficient authorization controls in web applications. Attackers could leverage this weakness through standard network reconnaissance and exploitation techniques without requiring specialized tools or insider knowledge of the system architecture. The CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) indicates that the attack requires network access with low complexity, no privilege requirements, and no user interaction, making it particularly dangerous as it can be exploited automatically by scanning tools or automated attack frameworks. Organizations should consider implementing network segmentation, firewall rules, and access controls to limit exposure while applying the appropriate Oracle patches and updates to remediate the vulnerability.
This vulnerability demonstrates the critical importance of maintaining up-to-date security patches in financial applications where data confidentiality is paramount. The attack surface extends to any system component that accepts HTTP requests and processes corporate lending data, making comprehensive vulnerability assessments essential for financial institutions. The impact of such vulnerabilities in banking applications often extends beyond immediate data exposure to include regulatory compliance issues, customer trust erosion, and potential financial losses from fraud or competitive disadvantage. Organizations should implement continuous monitoring solutions to detect unauthorized access attempts and maintain robust incident response procedures to address potential exploitation of this and similar vulnerabilities.
The remediation approach for CVE-2018-3038 requires immediate application of Oracle's security patches and updates specifically designed to address the access control weakness in the Core module. Security teams should conduct thorough assessments of their Oracle Financial Services Applications environments to identify all affected versions and implement appropriate mitigations including network access controls, intrusion detection systems, and enhanced monitoring of HTTP traffic. The vulnerability also highlights the need for regular security assessments and penetration testing of financial applications to identify similar access control weaknesses before they can be exploited by threat actors. Organizations should consider implementing additional security controls such as web application firewalls and database activity monitoring to provide defense-in-depth against similar vulnerabilities in their financial services infrastructure.