CVE-2015-4759 in Fusion Middleware
Summary
by MITRE
Unspecified vulnerability in the Oracle Data Integrator component in Oracle Fusion Middleware 11.1.1.3.0 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Data Quality based on Trillium, a different vulnerability than CVE-2015-0443, CVE-2015-0444, CVE-2015-0445, CVE-2015-0446, CVE-2015-2634, CVE-2015-2635, CVE-2015-2636, and CVE-2015-4758.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 07/14/2017
The vulnerability identified as CVE-2015-4759 represents a significant security weakness within Oracle Data Integrator component of Oracle Fusion Middleware version 11.1.1.3.0. This issue specifically affects the Data Quality functionality that relies on Trillium technology, creating a potential attack surface that could compromise the fundamental security principles of confidentiality, integrity, and availability. The vulnerability is distinct from several other related issues including CVE-2015-0443 through CVE-2015-4758, indicating that this represents a unique flaw within the Trillium-based data quality processing mechanisms. The unspecified nature of the exact vector means that attackers could potentially exploit this weakness through various methods that remain undisclosed, making it particularly dangerous as defenders lack specific indicators of compromise.
The technical flaw within Oracle Data Integrator's Trillium-based Data Quality component stems from inadequate security controls that govern how data quality processes interact with the underlying system infrastructure. This vulnerability likely involves improper input validation, insufficient access controls, or flawed authentication mechanisms within the data integration workflows. The Trillium technology integration creates additional complexity in the attack surface, as it introduces specialized data processing functions that may not be properly secured against malicious manipulation. The vulnerability's classification as affecting confidentiality, integrity, and availability indicates that it could potentially enable attackers to access sensitive data, modify data quality rules or configurations, or disrupt data integration services entirely. The root cause appears to be in the security architecture of the data quality processing engine rather than in core database or network components.
From an operational perspective, the impact of CVE-2015-4759 extends beyond simple data compromise to potentially disrupt critical business processes that depend on accurate data integration. Organizations utilizing Oracle Fusion Middleware with Data Integrator and Trillium-based Data Quality functionality face significant risk of data breaches, where sensitive information could be exposed to unauthorized parties. The integrity aspect of the vulnerability means that data quality rules could be manipulated, leading to incorrect data processing and potentially cascading effects throughout downstream systems that rely on clean, accurate data. Availability concerns suggest that attackers might be able to cause denial of service conditions within the data integration platform, disrupting business operations and potentially causing financial losses. This vulnerability particularly affects enterprises that depend heavily on data quality processes for regulatory compliance, customer data management, or business intelligence operations.
Organizations should implement immediate mitigations including applying Oracle's security patches and updates as soon as they become available, restricting network access to Oracle Fusion Middleware components through firewall rules, and implementing network segmentation to limit the potential impact of exploitation. The security controls should include monitoring for unusual data quality processing activities and implementing additional access controls for administrative functions within the Data Integrator environment. System administrators should conduct thorough vulnerability assessments to identify all instances of Oracle Fusion Middleware 11.1.1.3.0 installations and ensure proper patch management protocols are in place. The vulnerability aligns with attack patterns described in the ATT&CK framework under the data integrity and credential access domains, particularly targeting enterprise data integration platforms. Organizations should also consider implementing network-based intrusion detection systems to monitor for potential exploitation attempts targeting this specific vulnerability, as the unspecified nature of the attack vector makes traditional signature-based detection challenging. Compliance with industry standards such as those outlined in the CWE database for data quality and integration security should be reviewed and enhanced to prevent similar vulnerabilities from occurring in future deployments.