CVE-2018-2895 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 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 6.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/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-2018-2895 resides within the Oracle Banking Corporate Lending component of Oracle Financial Services Applications, specifically within the Core module of this financial services software suite. This particular flaw affects multiple supported 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 Oracle Financial Services Applications ecosystem. The vulnerability's classification as easily exploitable indicates that attackers can leverage this weakness with minimal technical sophistication, making it particularly dangerous for financial institutions that rely on these systems for critical banking operations.
The technical nature of this vulnerability stems from insufficient authentication mechanisms within the HTTP communication layer of the Oracle Banking Corporate Lending system. An unauthenticated attacker with network access can exploit this weakness to compromise the system, though successful exploitation requires human interaction from individuals other than the attacker, suggesting that social engineering or user manipulation may be necessary components of the attack vector. This characteristic places the vulnerability in the CWE-287 category, which addresses authentication failures, and aligns with ATT&CK techniques focused on credential access and initial access through network services. The vulnerability's impact extends beyond the immediate component, potentially affecting additional Oracle Financial Services products that may share underlying infrastructure or communication protocols.
The operational impact of this vulnerability is substantial, as successful exploitation can result in unauthorized modification of data through update, insert, or delete operations on specific data sets within the Oracle Banking Corporate Lending system. Additionally, attackers can gain unauthorized read access to a subset of accessible data, creating potential exposure of sensitive financial information including customer data, loan information, and corporate lending records. The CVSS 3.0 base score of 6.1 reflects the moderate severity of this vulnerability, with confidentiality and integrity impacts rated as low, while the scope is considered high due to the potential for cascading effects across multiple products within the Oracle Financial Services Applications suite. This scoring system places the vulnerability in the medium severity range, though the financial implications of data compromise in banking systems typically warrant higher security priority.
Organizations affected by this vulnerability should implement immediate mitigations including network segmentation to limit access to the affected Oracle Banking Corporate Lending systems, deployment of web application firewalls to monitor and filter HTTP traffic, and implementation of strong access controls and authentication mechanisms. The principle of least privilege should be enforced to minimize the potential impact of successful exploitation, while regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses within the broader Oracle Financial Services Applications environment. Patch management procedures should be established and maintained to ensure timely deployment of Oracle security patches, and incident response protocols should be updated to address potential exploitation attempts targeting this vulnerability. Given the interconnected nature of financial services applications, organizations should also consider broader security posture improvements including enhanced monitoring of network traffic and user behavior analytics to detect anomalous access patterns that may indicate exploitation attempts.