CVE-2018-3036 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 as well as unauthorized read access to a subset 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 6.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L).
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Analysis
by VulDB Data Team • 04/10/2023
The vulnerability identified as CVE-2018-3036 resides within Oracle Banking Corporate Lending component of Oracle Financial Services Applications, specifically within the Core module. This flaw affects multiple versions including 12.3.0, 12.4.0, 12.5.0, 14.0.0, and 14.1.0, representing a significant attack surface across the financial services application suite. The vulnerability classification as easily exploitable indicates that attackers with minimal privileges and network access can leverage this weakness to compromise the targeted system. According to the CVSS 3.0 scoring system, this vulnerability carries a base score of 6.3, reflecting moderate severity with impacts across confidentiality, integrity, and availability domains.
The technical nature of this vulnerability allows a low privileged attacker to conduct unauthorized operations against the Oracle Banking Corporate Lending system through HTTP network connections. This attack vector specifically targets the Core module functionality and demonstrates a clear path for privilege escalation or unauthorized data manipulation. The vulnerability enables attackers to perform unauthorized update, insert, or delete operations on sensitive data within the application's accessible database. Additionally, the flaw permits unauthorized read access to specific subsets of data that should remain protected, creating potential exposure of confidential financial information. The partial denial of service aspect indicates that attackers can disrupt system operations to some degree, affecting availability of critical banking services.
This vulnerability directly impacts the security posture of financial institutions relying on Oracle Financial Services Applications, particularly those utilizing the Banking Corporate Lending module for loan processing and customer relationship management. The combination of confidentiality, integrity, and availability impacts creates a comprehensive threat scenario where attackers can potentially manipulate loan data, access sensitive customer information, and disrupt business operations. The CVSS vector analysis reveals that the attack requires low complexity (AC:L) and low privileges (PR:L) while operating over a network (AV:N), making it particularly dangerous for organizations with inadequate network segmentation or access controls. This vulnerability aligns with CWE-284 (Improper Access Control) and represents a classic example of insufficient authorization checks within financial application frameworks.
Organizations affected by this vulnerability should implement immediate mitigations including applying Oracle's security patches and updates, implementing network segmentation to restrict access to the affected components, and strengthening authentication mechanisms for the Oracle Financial Services Applications. Network monitoring should be enhanced to detect anomalous HTTP traffic patterns that might indicate exploitation attempts. The ATT&CK framework categorizes this vulnerability under privilege escalation and credential access tactics, with specific relevance to the T1078 technique for valid accounts and T1499 for endpoint denial of service. Security teams should also consider implementing database activity monitoring solutions to detect unauthorized data manipulation attempts and establish incident response procedures specifically addressing financial data integrity breaches. Regular vulnerability assessments and penetration testing should be conducted to identify similar access control weaknesses in other Oracle Financial Services Applications components.