CVE-2019-3019 in Banking Digital Experience
Summary
by MITRE
Vulnerability in the Oracle Banking Digital Experience product of Oracle Financial Services Applications (component: Loan Calculator). Supported versions that are affected are 18.1, 18.2, 18.3 and 19.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Banking Digital Experience. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Banking Digital Experience, 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 Digital Experience accessible data as well as unauthorized read access to a subset of Oracle Banking Digital Experience 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 • 01/09/2024
The vulnerability identified as CVE-2019-3019 resides within Oracle Banking Digital Experience's Loan Calculator component, representing a significant security weakness in the Oracle Financial Services Applications suite. This flaw affects multiple version releases including 18.1, 18.2, 18.3, and 19.1, indicating a widespread impact across the product's lifecycle. The vulnerability classification as easily exploitable suggests that attackers can leverage this weakness with minimal technical sophistication, making it particularly dangerous in production environments where such applications handle sensitive financial data.
The technical nature of this vulnerability manifests through a privilege escalation vector that requires low privileged attacker access via HTTP network protocols. This attack surface presents a critical concern for financial institutions as it allows unauthorized individuals to compromise the banking digital experience platform through standard web-based communication channels. The vulnerability's CVSS 3.0 base score of 5.4 reflects moderate severity with specific impacts to both confidentiality and integrity, while maintaining a low attack complexity and requiring only low privileges. The vector notation CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N indicates network-based attack delivery, low complexity, low privilege requirements, and the necessity for user interaction, while the scope change component suggests potential impact beyond the immediate application.
The operational impact of this vulnerability extends beyond the immediate Loan Calculator component, as successful exploitation can result in unauthorized modification and deletion of critical financial data within the Oracle Banking Digital Experience environment. Attackers can gain unauthorized read access to sensitive data subsets, potentially exposing confidential customer information, loan calculations, and other financial records that are typically protected within banking applications. The requirement for human interaction from individuals other than the attacker suggests that social engineering or targeted phishing attacks may be employed to facilitate exploitation, making this vulnerability particularly challenging to defend against in real-world scenarios.
The security implications of CVE-2019-3019 align with CWE-284 (Improper Access Control) and potentially CWE-352 (Cross-Site Request Forgery) categories, as the vulnerability enables unauthorized data manipulation and access without proper authentication mechanisms. This flaw represents a significant concern for financial institutions operating under regulatory compliance frameworks such as SOX, PCI DSS, and various banking regulations that mandate strict data protection measures. The CVSS scoring reflects the vulnerability's ability to compromise data integrity and confidentiality while maintaining a relatively low attack complexity, making it attractive to threat actors targeting financial services environments.
Organizations should implement immediate mitigations including patching affected versions, implementing network segmentation to restrict access to the Loan Calculator component, and deploying enhanced monitoring solutions to detect anomalous access patterns. The vulnerability's scope change component suggests that additional products within the Oracle Financial Services Applications ecosystem may be at risk, requiring comprehensive security assessments across the entire platform. Security teams should also consider implementing web application firewalls and access control measures to prevent unauthorized HTTP-based exploitation attempts. Regular vulnerability assessments and penetration testing should be conducted to identify similar weaknesses in the broader Oracle Financial Services Applications environment, ensuring comprehensive protection against sophisticated attack vectors that may exploit similar privilege escalation mechanisms.