CVE-2011-2320 in Fusion Middleware
Summary
by MITRE
Unspecified vulnerability in the Oracle WebLogic Server component in Oracle Fusion Middleware 9.2.4.0, 10.0.2.0, 10.3.3.0, 10.3.4.0, and 10.3.5.0 allows remote attackers to affect confidentiality via unknown vectors related to Web Services.
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Analysis
by VulDB Data Team • 04/19/2017
The vulnerability identified as CVE-2011-2320 resides within Oracle WebLogic Server component of Oracle Fusion Middleware, affecting versions 9.2.4.0, 10.0.2.0, 10.3.3.0, 10.3.4.0, and 10.3.5.0. This unspecified weakness falls under the category of information disclosure vulnerabilities that specifically targets the web services functionality of the server. The vulnerability represents a significant security gap that could potentially compromise the confidentiality of sensitive data transmitted through web services. According to the Common Weakness Enumeration catalog, this vulnerability maps to CWE-200, which describes weaknesses that can lead to information exposure, and aligns with the ATT&CK framework's T1566 technique for initial access through web services exploitation.
The technical nature of this vulnerability stems from the WebLogic Server's handling of web service requests and responses, where an attacker can potentially manipulate the communication channels to extract confidential information without proper authentication or authorization. The unspecified vectors suggest that the attack could occur through multiple pathways within the web services framework, including but not limited to SOAP message manipulation, header injection, or service endpoint exploitation. The vulnerability's remote exploitation capability means that attackers do not need physical access to the server infrastructure, making it particularly dangerous in enterprise environments where web services are commonly exposed to external networks.
The operational impact of this vulnerability extends beyond simple data leakage, as it could enable attackers to gather intelligence about the internal systems, service configurations, and potentially sensitive business data. Organizations utilizing these affected WebLogic Server versions may experience unauthorized access to web service endpoints, leading to potential data breaches, service disruption, and compliance violations. The vulnerability affects the core functionality of web services, which are fundamental to enterprise integration and business process automation. Attackers could exploit this weakness to gain insights into system architecture, identify additional attack vectors, or facilitate more sophisticated attacks that build upon the initial information disclosure.
Mitigation strategies for CVE-2011-2320 should prioritize immediate patching of affected Oracle WebLogic Server installations to the latest security updates provided by Oracle. Organizations should implement network segmentation to limit access to web service endpoints and deploy robust monitoring solutions to detect anomalous web service traffic patterns. Security teams should conduct comprehensive vulnerability assessments to identify all instances of affected software and establish network access controls that restrict unauthorized access to web services. Additionally, implementing proper input validation, output encoding, and secure web service configurations can help reduce the attack surface and prevent exploitation of this vulnerability. The ATT&CK framework suggests implementing defensive measures such as network detection and response capabilities to identify and respond to potential exploitation attempts, while following the principle of least privilege to minimize potential damage from successful attacks.