CVE-2016-0592 in VM VirtualBox
Summary
by MITRE
Unspecified vulnerability in the Oracle VM VirtualBox component in Oracle Virtualization VirtualBox before 4.3.36 and before 5.0.14 allows local users to affect availability via unknown vectors related to Core.
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Analysis
by VulDB Data Team • 07/05/2022
The vulnerability identified as CVE-2016-0592 resides within Oracle VM VirtualBox's Core component, representing a critical security flaw that affects multiple versions of the popular virtualization platform. This unspecified vulnerability manifests as a local threat that can compromise system availability, making it particularly dangerous in environments where virtual machines serve as critical infrastructure components. The vulnerability exists in Oracle VirtualBox versions prior to 4.3.36 and 5.0.14, indicating that organizations running these older versions remain at significant risk of exploitation. The Core component serves as the fundamental engine that manages virtual machine operations, making any weakness in this area potentially devastating to the entire virtualization ecosystem.
The technical nature of this vulnerability lies in its classification as a local privilege escalation or availability compromise that operates through unspecified vectors related to the Core subsystem. While the exact technical mechanisms remain undisclosed, such vulnerabilities typically involve memory corruption issues, improper input validation, or race conditions within the kernel-level components that manage virtual machine execution. The Core component's role in handling virtual machine states, memory management, and hardware abstraction makes it a prime target for attackers seeking to disrupt system availability or gain unauthorized access to virtualized environments. This vulnerability type aligns with CWE-119, which addresses memory safety issues, and potentially CWE-476, concerning null pointer dereferences, both of which can lead to system instability and denial of service conditions.
The operational impact of CVE-2016-0592 extends beyond simple availability disruption to encompass potential data integrity compromise and system instability within virtualized environments. Local attackers who can execute code on a system running vulnerable VirtualBox versions can leverage this flaw to cause system crashes, virtual machine termination, or even complete system instability. In enterprise environments where VirtualBox serves as a development or testing platform, this vulnerability could lead to significant operational disruption, data loss, or unauthorized access to sensitive virtual machine environments. The local nature of the vulnerability means that attackers typically need physical access or existing user credentials, but once exploited, the impact can cascade across multiple virtual machines hosted on the same physical system.
Organizations should prioritize immediate remediation by upgrading to VirtualBox versions 4.3.36 or 5.0.14, which contain the necessary patches to address this vulnerability. The remediation process should include comprehensive testing of virtual environments to ensure that the upgrade does not introduce compatibility issues with existing virtual machines or guest operating systems. System administrators should implement layered security approaches including network segmentation, privileged access controls, and regular vulnerability assessments to minimize exposure windows. The ATT&CK framework categorizes this type of vulnerability under T1499, which covers virtualization and container abuse, emphasizing the need for defensive measures that protect against local privilege escalation and availability compromise attacks. Additionally, organizations should consider implementing monitoring solutions that can detect anomalous virtual machine behavior or system instability patterns that might indicate exploitation attempts. Regular security awareness training for personnel who manage virtualization environments can also help identify potential exploitation attempts and maintain overall security posture.