CVE-2011-2305 in VM VirtualBox
Summary
by MITRE
Unspecified vulnerability in Oracle VM VirtualBox 3.0, 3.1, 3.2, and 4.0 allows local users to affect confidentiality, integrity, and availability via unknown vectors.
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Analysis
by VulDB Data Team • 04/13/2025
Oracle VM VirtualBox represents a widely deployed virtualization platform that enables users to run multiple operating systems simultaneously on a single physical machine. The vulnerability identified as CVE-2011-2305 affects versions 3.0, 3.1, 3.2, and 4.0 of this virtualization software, creating a significant security risk for organizations relying on virtualized environments. This unspecified vulnerability falls under the category of local privilege escalation and information disclosure issues that can compromise the fundamental security properties of the virtualization infrastructure. The affected versions of VirtualBox were particularly concerning as they represented a substantial portion of the deployed user base at the time of discovery, potentially exposing thousands of virtualized environments to exploitation.
The technical nature of this vulnerability stems from insufficient input validation and access control mechanisms within the VirtualBox hypervisor components. Attackers with local access to a system running affected VirtualBox versions can potentially exploit this weakness to manipulate virtual machine configurations, access sensitive data from other virtual environments, or disrupt the normal operation of the virtualization platform. The unspecified vectors suggest that the vulnerability may involve multiple attack surfaces including memory management, device emulation, or kernel-level components that handle virtual machine state transitions. This type of vulnerability typically manifests through improper handling of user-supplied data or insufficient sandboxing of virtual machine processes, allowing malicious code execution in privileged contexts. The vulnerability's classification aligns with CWE-20, which addresses improper input validation, and CWE-255, which covers credentials management issues that can lead to privilege escalation.
The operational impact of CVE-2011-2305 extends beyond simple data compromise, as it can lead to complete system compromise when attackers leverage the vulnerability to gain elevated privileges. In enterprise environments where VirtualBox is used for development, testing, or desktop virtualization, this vulnerability creates opportunities for attackers to move laterally within networks by compromising virtual machines that may contain sensitive corporate data. The confidentiality, integrity, and availability triad are all at risk, meaning that attackers could potentially exfiltrate confidential information, modify virtual machine configurations to persistently compromise systems, or cause denial of service conditions that disrupt virtualized workloads. Organizations using VirtualBox for critical operations face potential business disruption, regulatory compliance violations, and reputational damage if such vulnerabilities are exploited. The vulnerability's local nature means that attackers need only have access to the system to exploit it, making it particularly dangerous in shared computing environments or when physical security is inadequate.
Mitigation strategies for CVE-2011-2305 primarily involve immediate patching of affected VirtualBox installations to the latest available versions that contain security fixes. Organizations should implement comprehensive vulnerability management processes to identify and remediate all affected systems within their environment, particularly focusing on virtualization infrastructure. Network segmentation and access controls should be strengthened to limit local access privileges, while regular security audits should verify that virtual machine configurations do not introduce additional attack vectors. Security monitoring should be enhanced to detect suspicious activities related to virtual machine manipulation or unauthorized access attempts. System administrators should also consider implementing additional security controls such as mandatory access controls, virtual machine integrity checking, and regular security assessments of virtualized environments. The vulnerability's classification as a local privilege escalation issue makes it particularly important to enforce least privilege principles and ensure that users have only the necessary access rights to perform their required functions within virtualized environments. Organizations should also review their incident response procedures to ensure they can effectively respond to potential exploitation of this vulnerability and maintain appropriate logging and monitoring capabilities for forensic analysis.