CVE-2018-3048 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 require human interaction from a person other than the attacker and while the vulnerability is in Oracle Banking Corporate Lending, 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 Corporate Lending accessible data as well as unauthorized read access to a subset of Oracle Banking Corporate Lending 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: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-2018-3048 resides within the Oracle Banking Corporate Lending component of Oracle Financial Services Applications, specifically within the Core module of affected versions 12.3.0 through 14.1.0. This represents a significant security weakness that falls under the Common Weakness Enumeration category of insufficient authorization controls, as outlined in CWE-284. The flaw manifests as an authorization bypass that allows low-privileged attackers to exploit the system through network-based HTTP connections, making it particularly dangerous in enterprise financial environments where sensitive lending data is processed and stored.
The technical nature of this vulnerability stems from inadequate access control mechanisms within the banking corporate lending application, enabling unauthorized individuals to perform data manipulation operations. The CVSS 3.0 score of 5.4 indicates a moderate severity level with specific impacts including confidentiality and integrity breaches. Attackers can achieve unauthorized update, insert, or delete operations against certain data accessible through the vulnerable system, while also gaining unauthorized read access to subsets of data that should remain protected. The vector notation AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N reveals that network-based attacks require low complexity, low privilege levels, but necessitate user interaction, indicating that the exploitation typically involves social engineering or phishing techniques to initiate the attack.
The operational impact of this vulnerability extends beyond the immediate banking corporate lending module, potentially affecting additional Oracle Financial Services products within the same ecosystem. This cascading effect aligns with ATT&CK technique T1068, which describes the exploitation of legitimate credentials and system access for unauthorized operations. The vulnerability's ability to compromise data integrity and confidentiality makes it particularly concerning for financial institutions handling sensitive customer lending information, credit assessments, and related financial data. Organizations utilizing these affected versions face risks of data breaches, regulatory non-compliance, and potential financial losses from unauthorized transactions or information disclosure.
Mitigation strategies should focus on immediate patch management deployment for all affected Oracle Financial Services Applications versions, along with enhanced network monitoring and access control policies. Organizations must implement additional layers of authentication and authorization checks, particularly for web-based interfaces, and conduct thorough security assessments of their financial services applications. The vulnerability highlights the importance of maintaining up-to-date security patches and implementing defense-in-depth strategies to prevent unauthorized access to critical financial data. Regular security audits and vulnerability assessments should be conducted to identify similar authorization gaps in other enterprise applications, ensuring comprehensive protection against similar attack vectors.