CVE-2006-5356 in Collaboration Suite
Summary
by MITRE
Unspecified vulnerability in Oracle Containers for J2EE component in Oracle Application Server 9.0.4.3, 10.1.2.0.2, and 10.1.2.1.0, and Collaboration Suite 9.0.4.2 and 10.1.2, has unknown impact and remote attack vectors, aka Vuln# OC4J02.
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Analysis
by VulDB Data Team • 04/24/2026
The vulnerability identified as CVE-2006-5356 affects Oracle Containers for J2EE component within Oracle Application Server versions 9.0.4.3, 10.1.2.0.2, 10.1.2.1.0, and Collaboration Suite versions 9.0.4.2 and 10.1.2. This represents a critical security weakness in Oracle's middleware infrastructure that serves as a foundation for enterprise application deployment. The unspecified nature of the vulnerability description indicates that the exact technical flaw remains undisclosed, which is common for zero-day vulnerabilities or those under active exploitation. The vulnerability has been assigned the alias OC4J02, indicating its association with Oracle Containers for J2EE and highlighting the component's susceptibility to attack.
The technical flaw resides within the Oracle Containers for J2EE implementation, which functions as a Java application server container that hosts enterprise applications and web services. This component provides essential services including servlet processing, session management, and enterprise bean execution for applications deployed within Oracle's Application Server environment. The unspecified nature of the vulnerability suggests it could involve multiple potential attack vectors including but not limited to memory corruption issues, improper input validation, or authentication bypass mechanisms. Given the nature of J2EE containers, the vulnerability could potentially allow attackers to execute arbitrary code on the target system, manipulate application behavior, or gain unauthorized access to sensitive data and system resources.
The remote attack vectors associated with this vulnerability present significant operational risks to organizations relying on Oracle Application Server infrastructure. Attackers capable of exploiting this vulnerability could potentially access the affected systems from remote locations without requiring physical access or prior authentication. The impact of exploitation could range from complete system compromise and data theft to service disruption and unauthorized access to business-critical applications. Organizations using these vulnerable versions face potential exposure to sophisticated attacks that could target their enterprise applications, web services, and underlying business processes. The vulnerability's remote exploitability makes it particularly dangerous as it allows attackers to target systems from external networks without requiring insider knowledge or physical presence.
Organizations should implement immediate mitigations including applying Oracle's security patches and updates as soon as they become available. Network segmentation and firewall rules should be implemented to restrict access to Oracle Application Server components, particularly those exposed to external networks. Regular security assessments and vulnerability scanning should be conducted to identify any remaining exposure points within the Oracle Application Server environment. The vulnerability aligns with CWE-119 which addresses memory safety issues, and potentially CWE-284 which covers improper access control mechanisms. From an ATT&CK framework perspective, this vulnerability could map to techniques involving privilege escalation, remote code execution, and initial access through network services. Organizations should also consider implementing intrusion detection systems to monitor for exploitation attempts and maintain comprehensive incident response procedures to address potential compromise events.