CVE-2016-5500 in Discoverer
Summary
by MITRE
Unspecified vulnerability in the Oracle Discoverer component in Oracle Fusion Middleware 11.1.1.7.0 allows remote attackers to affect confidentiality via vectors related to Viewer.
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Analysis
by VulDB Data Team • 09/26/2022
The vulnerability identified as CVE-2016-5500 resides within Oracle Discoverer, a component of Oracle Fusion Middleware version 11.1.1.7.0, representing a significant security weakness that exposes organizations to potential data breaches. This unspecified flaw specifically affects the Viewer functionality within the Discoverer component, creating an avenue for remote attackers to compromise the confidentiality of sensitive information. The vulnerability's classification as unspecified indicates that the exact technical details of the flaw were not fully disclosed in the initial advisory, which is common for certain Oracle security issues. The Discoverer component serves as a business intelligence tool that enables users to create and view analytical reports, making it a critical element in enterprise data access and analysis workflows. When compromised, this vulnerability could allow unauthorized individuals to access confidential business data, financial reports, and strategic information that should remain protected within the organization's secure environment.
The technical nature of this vulnerability stems from weaknesses in how the Oracle Discoverer Viewer processes and handles data requests from remote sources. Attackers exploiting this flaw can potentially manipulate the viewer component to gain unauthorized access to sensitive information stored within the Oracle Fusion Middleware environment. The vulnerability's remote exploit capability means that threat actors do not require physical access to the system or local network privileges to launch attacks. This characteristic significantly increases the attack surface and makes the vulnerability particularly dangerous in networked environments where multiple users and systems interact with the Discoverer component. The underlying flaw likely involves improper input validation or access control mechanisms within the viewer module that fails to adequately authenticate or authorize remote data requests. From a cybersecurity perspective, this vulnerability aligns with common weakness patterns documented in the CWE database, particularly those related to insufficient access control and improper input validation that can lead to information disclosure.
The operational impact of CVE-2016-5500 extends beyond simple data theft, potentially causing severe business disruption and financial losses for affected organizations. Companies utilizing Oracle Discoverer for critical business intelligence and reporting functions face the risk of exposing proprietary information, competitive data, and confidential financial records to unauthorized parties. The confidentiality breach could result in regulatory compliance violations, particularly under frameworks such as gdpr, hipaa, and soc 2, where organizations must maintain strict controls over sensitive data access. Organizations may experience reputational damage, loss of competitive advantage, and potential legal consequences from data exposure incidents. The vulnerability's presence in Oracle Fusion Middleware 11.1.1.7.0 also indicates that organizations running older versions of the software are particularly at risk, as this version likely lacks the security improvements and patches that would mitigate such flaws. The remote nature of the attack vector means that threat actors can exploit this vulnerability from anywhere on the internet, making it extremely difficult for organizations to monitor and defend against such attacks without proper network segmentation and security controls.
Mitigation strategies for CVE-2016-5500 should encompass both immediate defensive measures and long-term architectural improvements to protect against unauthorized access to Oracle Discoverer components. Organizations must implement network segmentation to isolate Oracle Fusion Middleware environments from public internet access, ensuring that the Discoverer Viewer component is only accessible from trusted internal networks. Applying Oracle's security patches and updates is critical, as Oracle typically releases emergency patches to address known vulnerabilities in their middleware products. Network monitoring and intrusion detection systems should be configured to detect unusual access patterns or attempts to query the Discoverer Viewer component. Access controls must be strengthened through proper authentication mechanisms, including multi-factor authentication for administrative access to the middleware environment. Organizations should also consider implementing data loss prevention solutions that can monitor and control data flows from the Discoverer component to prevent unauthorized data exfiltration. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and credential access, requiring defensive measures that address both network-level protections and application-level security controls. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other Oracle Fusion Middleware components that may present similar attack surfaces. The remediation process should also include comprehensive testing to ensure that security patches do not disrupt existing business processes while maintaining the integrity of the Discoverer functionality that organizations depend upon for their analytical reporting requirements.