CVE-2018-2943 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 12.2.1.2.0 and 12.2.1.3.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Fusion Middleware MapViewer. Successful attacks of this vulnerability can result in takeover of Oracle Fusion Middleware MapViewer. CVSS 3.0 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 04/10/2023
The vulnerability identified as CVE-2018-2943 resides within Oracle Fusion Middleware MapViewer component, specifically within the Map Builder subcomponent. This security flaw affects Oracle Fusion Middleware versions 12.2.1.2.0 and 12.2.1.3.0, representing a significant risk to organizations utilizing these middleware implementations. The vulnerability's classification as easily exploitable indicates that attackers can leverage it without requiring specialized skills or extensive preparation, making it particularly dangerous in production environments where such systems are often exposed to external networks.
The technical nature of this vulnerability stems from inadequate authentication mechanisms within the MapViewer component, allowing unauthenticated attackers to gain access through standard HTTP network connections. This represents a critical flaw in the security architecture where the system fails to properly validate user credentials before granting access to sensitive functionalities. The vulnerability's CVSS 3.0 base score of 7.2 reflects the high impact across confidentiality, integrity, and availability domains, indicating that successful exploitation could lead to complete system compromise. The attack vector AV:N indicates network-based exploitation is possible, while AC:L suggests low complexity requirements for execution, and PR:H implies that the attack requires some level of privileges but not necessarily administrative access.
The operational impact of this vulnerability extends beyond simple unauthorized access, as successful exploitation can result in complete takeover of the Oracle Fusion Middleware MapViewer system. This compromise could enable attackers to manipulate map data, access sensitive geographic information, modify system configurations, and potentially use the compromised system as a foothold for further attacks within the network infrastructure. Organizations relying on MapViewer for critical geographic data services face significant risks including data breaches, service disruption, and potential regulatory compliance violations. The vulnerability's ability to affect both confidentiality and integrity aspects means that attackers could not only read sensitive information but also modify or corrupt map datasets that may be critical for business operations.
Mitigation strategies should focus on immediate patch deployment for affected Oracle Fusion Middleware versions, along with network-level controls such as firewall restrictions to limit access to the MapViewer component. Organizations should implement additional security measures including network segmentation, access control lists, and monitoring of HTTP traffic to detect anomalous access patterns. The vulnerability aligns with CWE-287 which addresses improper authentication issues, and represents a significant concern from ATT&CK framework perspective under initial access and privilege escalation techniques. Regular security assessments and vulnerability scanning should be implemented to identify similar authentication weaknesses in other Oracle Fusion Middleware components and ensure comprehensive protection against similar attack vectors.