CVE-2017-10098 in FLEXCUBE Universal Banking
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Universal Banking component of Oracle Financial Services Applications (subcomponent: Infrastructure). Supported versions that are affected are 11.3.0, 11.4.0, 12.0.1, 12.0.2, 12.0.3, 12.1.0, 12.2.0 and 12.3.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Universal Banking. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle FLEXCUBE Universal Banking accessible data as well as unauthorized read access to a subset of Oracle FLEXCUBE Universal Banking 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:N/S:U/C:L/I:L/A:N).
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Analysis
by VulDB Data Team • 01/03/2021
The vulnerability identified as CVE-2017-10098 resides within Oracle FLEXCUBE Universal Banking, a critical component of Oracle Financial Services Applications that serves as the backbone for banking operations. This particular flaw exists in the Infrastructure subcomponent and affects multiple version releases including 11.3.0 through 12.3.0, indicating a widespread impact across the product lifecycle. The vulnerability classification as easily exploitable suggests that attackers require minimal prerequisites to leverage this weakness, making it particularly dangerous in production environments where security controls may be insufficient.
The technical nature of this vulnerability stems from insufficient access controls within the HTTP interface of the FLEXCUBE system, allowing attackers with low privileges and network connectivity to perform unauthorized operations. This weakness creates a pathway for malicious actors to manipulate data integrity and confidentiality aspects of the banking application. The CVSS 3.0 scoring of 5.4 reflects the moderate severity impact, where the base score indicates that attackers can achieve unauthorized read access to data subsets and unauthorized modification capabilities including updates, inserts, and deletes. The attack vector is classified as network-based with low access complexity and low privilege requirements, making it accessible to attackers who may not possess elevated system permissions.
The operational impact of this vulnerability extends beyond simple data compromise, potentially enabling attackers to manipulate financial records and customer information within the banking system. This represents a significant concern for financial institutions that rely on FLEXCUBE for core banking operations, as unauthorized data modification could lead to financial losses, regulatory violations, and reputational damage. The vulnerability's potential for unauthorized read access to subsets of data means that sensitive financial information could be extracted without detection, while the write capabilities could enable attackers to corrupt transaction records or alter customer data. Organizations using affected versions face increased risk of data breaches that could compromise the integrity of their banking systems and violate financial regulatory requirements.
Mitigation strategies should focus on immediate patch deployment for all affected versions of Oracle FLEXCUBE Universal Banking, as Oracle would have released security updates addressing this specific weakness. Network segmentation and access control measures should be implemented to limit HTTP access to only authorized personnel and systems. The vulnerability aligns with CWE-284 (Improper Access Control) and represents a significant concern for financial institutions under regulatory frameworks such as SOX, PCI DSS, and banking-specific compliance requirements. Additionally, this vulnerability maps to ATT&CK techniques related to privilege escalation and data manipulation, emphasizing the need for comprehensive monitoring and incident response procedures. Organizations should conduct thorough security assessments to identify any unauthorized access attempts and implement proper logging and audit controls to detect potential exploitation of this vulnerability across their financial services infrastructure.