CVE-2018-3109 in Fusion Middleware MapViewer
Summary
by MITRE
Vulnerability in the Oracle Fusion Middleware MapViewer component of Oracle Fusion Middleware (subcomponent: Map Builder). Supported versions that are affected are 12.2.1.2 and 12.2.1.3. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Fusion Middleware MapViewer. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Fusion Middleware MapViewer accessible data. CVSS 3.0 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 04/17/2023
The vulnerability identified as CVE-2018-3109 resides within Oracle Fusion Middleware MapViewer component, specifically within the Map Builder subcomponent. This vulnerability affects Oracle Fusion Middleware versions 12.2.1.2 and 12.2.1.3, representing a significant security weakness in enterprise mapping and visualization software. The affected component is part of Oracle's broader Fusion Middleware suite that provides enterprise-grade mapping capabilities for business intelligence and geographic information systems. The vulnerability's classification as easily exploitable indicates that attackers can leverage it without requiring specialized skills or extensive resources, making it particularly dangerous in production environments where such systems handle sensitive business data.
The technical flaw manifests as a security weakness that allows low privileged attackers to exploit the MapViewer component through HTTP network connections. This vulnerability operates at the application layer and requires minimal privileges to initiate attacks, typically involving authentication tokens or session management flaws that enable unauthorized access to underlying data repositories. The vulnerability's CVSS 3.0 scoring of 6.5 indicates a moderate to high severity threat level, with the confidentiality impact rated as high, suggesting that successful exploitation can lead to unauthorized access to sensitive information. The attack vector AV:N indicates network-based exploitation, while the low access complexity AC:L suggests that the attack requires no specialized access conditions. The PR:L classification reveals that only low privileges are needed to initiate the attack, and the absence of user interaction UI:N means the vulnerability can be exploited automatically.
The operational impact of this vulnerability extends beyond simple data access, potentially enabling complete compromise of all data accessible through the MapViewer component. This includes sensitive business intelligence data, geographic information systems data, and potentially other interconnected enterprise data repositories that may be exposed through the MapViewer interface. Organizations utilizing Oracle Fusion Middleware MapViewer for critical business operations face significant risk of data breaches, intellectual property theft, or operational disruption. The vulnerability's potential for unauthorized access to critical data means that organizations could experience financial losses, regulatory compliance violations, and reputational damage. The attack could also serve as a foothold for further exploitation within the enterprise network, particularly if the MapViewer component has access to other internal systems or databases.
Mitigation strategies for CVE-2018-3109 should include immediate patch application from Oracle, which would address the underlying security flaw in the MapViewer component. Organizations should also implement network segmentation to limit access to the MapViewer component, particularly restricting HTTP access to trusted networks and implementing proper access controls and authentication mechanisms. The vulnerability aligns with CWE-284 (Improper Access Control) and potentially CWE-310 (Cryptographic Issues) depending on the specific implementation details. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and credential access, potentially enabling lateral movement within the network. Network monitoring should be enhanced to detect unusual HTTP traffic patterns that might indicate exploitation attempts, and organizations should conduct thorough vulnerability assessments to identify other potential entry points that could be leveraged in conjunction with this vulnerability. Regular security audits and access reviews should be implemented to ensure that only authorized personnel have access to critical MapViewer functionality.