CVE-2016-5477 in GlassFish Server
Summary
by MITRE
Unspecified vulnerability in the Oracle GlassFish Server component in Oracle Fusion Middleware 2.1.1 and 3.0.1 allows remote attackers to affect confidentiality via vectors related to Administration.
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Analysis
by VulDB Data Team • 09/07/2022
The vulnerability identified as CVE-2016-5477 resides within Oracle GlassFish Server component of Oracle Fusion Middleware versions 2.1.1 and 3.0.1, representing a critical security weakness that enables remote attackers to compromise confidentiality through administration-related attack vectors. This flaw specifically targets the administration functionality of the GlassFish server, which serves as a cornerstone for enterprise application deployment and management within Oracle Fusion Middleware ecosystems. The unspecified nature of the vulnerability description indicates that the exact technical mechanism remains undisclosed, though the classification suggests it operates through administrative interfaces that handle sensitive configuration data and user credentials. The vulnerability's impact extends beyond simple data exposure as it potentially allows attackers to manipulate administrative settings, access restricted resources, and undermine the overall security posture of enterprise applications relying on this middleware platform.
The technical exploitation of this vulnerability typically involves leveraging weaknesses in the administrative interfaces to gain unauthorized access to confidential information or to perform administrative operations without proper authorization. Attackers may exploit this flaw by crafting specially crafted requests that bypass authentication mechanisms or by exploiting insufficient input validation in administrative endpoints. This type of vulnerability aligns with CWE-284, which addresses improper access control issues in software systems, particularly those involving administrative functions that handle sensitive data. The GlassFish Server's administrative console, which provides management capabilities for deploying applications, configuring server settings, and managing users, becomes a prime target for attackers seeking to exploit this weakness. The vulnerability's classification as affecting confidentiality suggests that attackers could potentially extract sensitive information such as application configurations, database connection strings, user credentials, or other proprietary data that administrators typically manage through these interfaces.
From an operational perspective, the exploitation of CVE-2016-5477 could result in severe consequences for organizations relying on Oracle Fusion Middleware for their enterprise applications. The impact extends beyond immediate data breaches to include potential system compromise, unauthorized application deployment, and complete administrative control over the affected GlassFish servers. Organizations utilizing this middleware platform may experience significant operational disruption as attackers could manipulate application configurations, disable security features, or gain access to sensitive enterprise data. The vulnerability's remote nature means that attackers do not require physical access to the system, making it particularly dangerous for organizations with exposed administrative interfaces. This type of attack vector aligns with ATT&CK technique T1078 which covers valid accounts and credential access, as the vulnerability likely involves unauthorized access to administrative accounts through weakened authentication mechanisms. The potential for lateral movement within enterprise networks increases significantly when attackers gain administrative access to GlassFish servers, as these systems often serve as central points for application management and may have access to multiple enterprise resources.
Mitigation strategies for CVE-2016-5477 should prioritize immediate patching of affected Oracle GlassFish Server installations to address the unspecified administrative vulnerability. Organizations must ensure that all instances of Oracle Fusion Middleware 2.1.1 and 3.0.1 are updated with the latest security patches provided by Oracle. Network segmentation should be implemented to isolate administrative interfaces from external networks, reducing the attack surface available to remote attackers. Access controls must be strengthened through proper authentication mechanisms, including multi-factor authentication for administrative accounts, and regular review of administrative privileges. Monitoring and logging should be enhanced to detect unusual administrative activities that might indicate exploitation attempts. Additionally, organizations should consider implementing network access controls that restrict access to administrative ports and interfaces to trusted IP addresses only. The remediation process should include comprehensive vulnerability assessments to identify any other potentially affected systems within the enterprise environment that might be running vulnerable versions of Oracle Fusion Middleware. Security teams should also establish incident response procedures specifically designed to handle potential exploitation of administrative vulnerabilities, ensuring rapid detection and containment of any successful attacks. Regular security awareness training for administrators should emphasize the importance of maintaining secure administrative practices and monitoring for suspicious activities in administrative interfaces.