CVE-2011-0798 in Fusion Middleware
Summary
by MITRE
Unspecified vulnerability in the Portal component in Oracle Fusion Middleware 10.1.2.3 and 11.1.1.2.0 allows remote attackers to affect integrity via unknown vectors related to Midtier Infrastructure.
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Analysis
by VulDB Data Team • 11/03/2021
The vulnerability identified as CVE-2011-0798 resides within the Portal component of Oracle Fusion Middleware, specifically affecting versions 10.1.2.3 and 11.1.1.2.0. This issue represents a critical security weakness that falls under the broader category of midtier infrastructure vulnerabilities, where the attack surface extends beyond traditional application boundaries to encompass the underlying middleware layers that support enterprise portal functionalities. The unspecified nature of the vulnerability vector makes this particularly concerning as it suggests potential for various attack methodologies that could compromise the integrity of the portal infrastructure. The vulnerability's classification within Oracle Fusion Middleware's Portal component indicates that it impacts the core functionality of enterprise portal deployments that rely on this middleware stack for content management, user authentication, and access control mechanisms.
The technical flaw manifests in the midtier infrastructure layer of Oracle Fusion Middleware, where the Portal component fails to properly validate or sanitize inputs that traverse the middleware stack. This weakness creates opportunities for attackers to manipulate the integrity of portal operations through unspecified attack vectors that likely involve exploitation of insufficient input validation, improper access controls, or flawed data processing mechanisms within the middleware layer. The vulnerability's impact on integrity suggests that malicious actors could potentially modify portal configurations, user permissions, or content delivery mechanisms without proper authorization. The midtier infrastructure context indicates that this vulnerability operates at a level between the application layer and the database layer, making it particularly dangerous as it could affect the consistency and reliability of portal services while potentially enabling further exploitation of other components within the same middleware stack. This type of vulnerability commonly maps to CWE-20 (Improper Input Validation) and CWE-284 (Improper Access Control) categories, where the failure to properly validate or control access to portal resources creates opportunities for integrity violations.
The operational impact of CVE-2011-0798 extends beyond simple data corruption or unauthorized access, as it fundamentally compromises the trustworthiness of the portal infrastructure that organizations rely upon for business-critical operations. Attackers exploiting this vulnerability could potentially modify portal configurations, alter user access rights, or manipulate content delivery mechanisms, leading to service disruption, data integrity compromise, and potential information disclosure. The midtier infrastructure nature of the vulnerability means that successful exploitation could affect multiple portal services simultaneously, potentially causing cascading failures across interconnected applications that depend on the same middleware infrastructure. Organizations utilizing Oracle Fusion Middleware Portal components in production environments face significant risks including unauthorized modification of portal content, manipulation of user authentication processes, and potential compromise of sensitive business information that flows through the portal infrastructure. The vulnerability's remote attack capability eliminates the need for physical access or local network presence, making it particularly dangerous for enterprise environments where portal systems are exposed to external networks and require robust security controls.
Mitigation strategies for CVE-2011-0798 should focus on immediate patch management and network segmentation to limit the attack surface of vulnerable Oracle Fusion Middleware installations. Organizations must prioritize applying Oracle's security patches and updates specifically addressing this vulnerability, as well as implementing network-level controls to restrict access to portal infrastructure components. The remediation process should include comprehensive vulnerability assessments of all Oracle Fusion Middleware installations to identify systems running the affected versions, followed by immediate patch deployment or alternative compensating controls. Network segmentation techniques should be employed to isolate portal components from unnecessary network access, while implementing robust monitoring and logging mechanisms to detect potential exploitation attempts. Security configurations should be reviewed to ensure proper access controls are in place, including implementing principle of least privilege for portal administrators and users. The remediation approach should also consider implementing web application firewalls and intrusion detection systems to monitor for suspicious activities related to portal infrastructure access. Organizations should also conduct thorough security assessments of their portal configurations to identify and address any additional weaknesses that could be exploited in conjunction with this vulnerability, ensuring comprehensive protection of their enterprise portal infrastructure against both current and potential future threats.