CVE-2011-3559 in Java System Application Server
Summary
by MITRE
Unspecified vulnerability in Oracle Communications Server 2.0; GlassFish Enterprise Server 2.1.1, 3.0.1, and 3.1.1; and Sun Java System App Server 8.1 and 8.2 allows remote attackers to affect availability via unknown vectors related to Web Container.
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Analysis
by VulDB Data Team • 11/24/2021
The vulnerability identified as CVE-2011-3559 represents a critical weakness in multiple enterprise Java application servers including Oracle Communications Server 2.0, GlassFish Enterprise Server versions 2.1.1, 3.0.1, and 3.1.1, as well as Sun Java System App Server 8.1 and 8.2. This unspecified flaw resides within the web container component of these platforms, which serves as the primary interface for handling HTTP requests and managing web application deployments. The web container acts as a fundamental component in the Java enterprise ecosystem, responsible for processing servlet requests, managing session state, and providing the runtime environment for web applications. The vulnerability's classification as affecting availability indicates that attackers can potentially disrupt service operations without necessarily gaining unauthorized access to system resources or data.
The technical nature of this vulnerability stems from weaknesses in how the web container processes incoming requests or manages internal resources, creating potential attack vectors that could lead to denial of service conditions. These vulnerabilities typically manifest through improper input validation, resource exhaustion, or memory management flaws that allow malicious actors to exploit the underlying infrastructure. The unspecified nature of the exact flaw makes this vulnerability particularly concerning as security teams cannot immediately identify specific patterns or implement targeted patches without extensive analysis. The web container component's role in processing HTTP requests means that any exploitation could potentially affect all web applications deployed on the affected servers, creating widespread impact across enterprise environments. This type of vulnerability aligns with CWE-119 which addresses weaknesses in memory management and buffer overflows, though the exact manifestation requires deeper investigation of the specific implementation details.
From an operational perspective, the impact of this vulnerability extends beyond simple service disruption to potentially compromising business continuity and customer satisfaction. Organizations running these affected server versions face the risk of unauthorized denial of service attacks that could render web applications inaccessible to legitimate users. The attack surface is particularly broad given that these servers are commonly deployed in enterprise environments where critical business applications depend on stable web container functionality. The vulnerability's remote exploitability means that attackers do not require physical access or local network presence to cause disruption, making it an attractive target for malicious actors seeking to create operational chaos. This vulnerability directly impacts the availability component of the CIA triad, potentially affecting both internal operations and external customer access to web-based services. The potential for cascading failures exists when multiple applications depend on the same vulnerable web container infrastructure.
Mitigation strategies for CVE-2011-3559 should focus on immediate remediation through vendor-provided patches and updates, while also implementing network-level protections to reduce attack surface. Organizations should prioritize upgrading to patched versions of the affected software platforms, as these updates typically address the underlying web container vulnerabilities through improved input validation and resource management. Network segmentation and firewall rules can help limit exposure by restricting access to the affected web containers from untrusted networks. Implementing intrusion detection systems that monitor for unusual traffic patterns or resource consumption spikes can provide early warning of potential exploitation attempts. Security teams should also consider implementing application firewalls or web application firewalls to filter malicious requests before they reach the vulnerable web container. The remediation process should include thorough testing of patched environments to ensure that updates do not introduce compatibility issues with existing web applications. Organizations may also want to consider implementing redundant systems or load balancing configurations to provide resilience against potential availability impacts. This vulnerability demonstrates the importance of maintaining up-to-date security patches and the potential consequences of delayed remediation in enterprise environments. The attack patterns associated with such web container vulnerabilities often align with techniques described in the MITRE ATT&CK framework under the application layer attacks category, specifically targeting the web server components that form the foundation of enterprise web infrastructure.