CVE-2023-21915 in Banking Payments
Summary
by MITRE • 04/18/2023
Vulnerability in the Oracle Banking Payments product of Oracle Financial Services Applications (component: Book/Internal Transfer). Supported versions that are affected are 14.5, 14.6 and 14.7. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Banking Payments. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Banking Payments accessible data as well as unauthorized read access to a subset of Oracle Banking Payments accessible data. CVSS 3.1 Base Score 4.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N).
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 05/11/2023
The vulnerability identified as CVE-2023-21915 resides within Oracle Banking Payments, a critical component of Oracle Financial Services Applications designed for bookkeeping and internal transfer operations. This security flaw affects versions 14.5, 14.6, and 14.7, representing a significant risk to financial institutions relying on these systems for transaction processing and account management. The vulnerability's classification as easily exploitable indicates that attackers can leverage relatively straightforward techniques to gain unauthorized access, making it particularly dangerous in environments where financial data integrity is paramount.
The technical nature of this vulnerability involves a weakness in the authentication and authorization mechanisms within the Book/Internal Transfer component, allowing a low-privileged attacker with network access via HTTP to compromise the system. The CVSS 3.1 score of 4.6 reflects moderate severity, with confidentiality and integrity impacts rated as low, though the potential for unauthorized data manipulation and access remains substantial. The attack vector requires network access and only low privileges, suggesting that the flaw may stem from inadequate input validation or session management within the web interface, potentially enabling attackers to manipulate requests or bypass access controls through crafted HTTP communications.
The operational impact of this vulnerability extends beyond simple data access, as successful exploitation can result in unauthorized update, insert, or delete operations against sensitive financial data within the Oracle Banking Payments system. Additionally, attackers can achieve unauthorized read access to specific subsets of accessible data, potentially exposing transaction records, account balances, or other confidential financial information. The requirement for human interaction from someone other than the attacker indicates that social engineering or targeted phishing might be necessary to initiate the attack, though the underlying flaw remains a significant concern for organizations with robust network security controls. This vulnerability directly impacts the integrity of financial data processing and could lead to financial losses, regulatory compliance issues, and reputational damage for affected institutions.
Mitigation strategies should prioritize immediate patch application from Oracle, as this represents the most effective defense against exploitation of this specific vulnerability. Organizations should also implement network segmentation to limit access to the affected system, enforce strict access controls and authentication mechanisms, and monitor network traffic for suspicious HTTP requests targeting the vulnerable component. The vulnerability aligns with CWE-287, which addresses improper authentication issues, and may relate to ATT&CK technique T1190, exploiting weaknesses in web applications, though the human interaction requirement suggests additional social engineering considerations. Regular security assessments and penetration testing of financial applications should be conducted to identify similar vulnerabilities in other components of the Oracle Financial Services Applications suite, while incident response procedures should be updated to address potential exploitation scenarios involving unauthorized data modification or access.