CVE-2018-2709 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 and 12.4.0. Difficult to exploit 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 access to critical data or complete access to all Oracle Banking Corporate Lending accessible data. CVSS 3.0 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 01/30/2021
The vulnerability identified as CVE-2018-2709 resides within the Oracle Banking Corporate Lending component of Oracle Financial Services Applications, specifically within the Core module of this financial services suite. This particular flaw affects Oracle Financial Services Applications versions 12.3.0 and 12.4.0, representing a significant security concern for financial institutions utilizing these systems. The vulnerability classification indicates it is a low-privilege attack vector that can be exploited through network-based HTTP access, making it particularly concerning given the widespread use of HTTP protocols in financial application environments. The CVSS 3.0 scoring system assigns this vulnerability a base score of 5.3, reflecting moderate severity with a focus on confidentiality impacts, though the potential for unauthorized access to critical financial data makes this assessment conservative.
The technical nature of this vulnerability stems from insufficient input validation or access control mechanisms within the Core module of the Oracle Banking Corporate Lending system. Attackers with minimal privileges and network access can exploit this weakness to gain unauthorized access to sensitive financial data. The vulnerability's classification as difficult to exploit suggests that while the attack vector exists, it requires specific conditions or knowledge to successfully compromise the system. The CVSS vector analysis reveals that the attack requires high complexity (AC:H) and low privilege (PR:L) but does not require user interaction (UI:N), indicating that automated exploitation is possible. The vulnerability's impact extends beyond simple data exposure, potentially allowing complete access to all data accessible through the Oracle Banking Corporate Lending application, which could include customer financial information, loan data, and other sensitive banking records.
The operational impact of CVE-2018-2709 presents serious implications for financial institutions relying on Oracle Financial Services Applications. Organizations utilizing affected versions face potential data breaches that could compromise customer financial information and institutional data integrity. The vulnerability's potential for unauthorized access to critical data aligns with common attack patterns documented in the ATT&CK framework under the data exposure and credential access domains. Financial services organizations may experience regulatory compliance issues, customer trust erosion, and potential financial losses due to unauthorized access to sensitive banking data. The vulnerability's scope extends to all data accessible through the Oracle Banking Corporate Lending component, making it particularly dangerous for institutions that store extensive customer financial histories and loan information within these systems. This vulnerability represents a significant risk to the confidentiality of financial data and could potentially lead to fraud or other malicious activities based on compromised information.
Mitigation strategies for CVE-2018-2709 should prioritize immediate patching of affected Oracle Financial Services Applications versions 12.3.0 and 12.4.0 to address the underlying access control or input validation issues. Organizations should implement network segmentation to limit access to the affected components and enforce strict access controls for HTTP-based connections. Security monitoring should be enhanced to detect unauthorized access attempts or unusual data access patterns that might indicate exploitation of this vulnerability. The implementation of web application firewalls and intrusion detection systems can provide additional layers of protection against exploitation attempts. Organizations should also conduct comprehensive vulnerability assessments to identify any other potential weaknesses in their financial services application environments. According to industry standards such as those outlined in CWE categories related to insufficient input validation and improper access control, this vulnerability demonstrates the critical importance of implementing robust authentication and authorization mechanisms. The ATT&CK framework would classify this vulnerability under the credential access and data exposure tactics, emphasizing the need for comprehensive security controls beyond simple patch management. Regular security audits and continuous monitoring of application access logs should be implemented to detect potential exploitation attempts and ensure the effectiveness of mitigation measures.