CVE-2012-0111 in VM VirtualBox
Summary
by MITRE
Unspecified vulnerability in the Oracle VM VirtualBox component in Oracle Virtualization 4.1 allows local users to affect confidentiality and integrity via unknown vectors related to Shared Folders.
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Analysis
by VulDB Data Team • 04/19/2017
The vulnerability identified as CVE-2012-0111 resides within Oracle VM VirtualBox version 4.1's Virtualization component, specifically impacting the shared folders functionality. This unspecified weakness represents a critical security flaw that enables local attackers to compromise both data confidentiality and integrity within virtualized environments. The vulnerability manifests through unknown vectors that directly relate to how VirtualBox handles shared folder operations, creating potential attack surfaces that could be exploited by malicious actors with local system access.
This security weakness falls under the broader category of insufficient privilege separation and inadequate access controls within virtualization platforms. The shared folders feature typically allows seamless file exchange between host and guest operating systems, but the vulnerability suggests that proper isolation mechanisms have been compromised. Attackers with local access to the virtual machine can potentially manipulate shared folder contents, read sensitive data from other users' folders, or modify critical system files. The unspecified nature of the attack vectors indicates that multiple exploitation pathways may exist, making the vulnerability particularly dangerous as it could be leveraged in various ways depending on the specific configuration and environment setup.
The operational impact of this vulnerability extends beyond simple data compromise, as it fundamentally undermines the security model that virtualization platforms rely upon for isolation between different environments. When local users can affect both confidentiality and integrity simultaneously, the potential for cascading security breaches increases significantly. This weakness could enable attackers to escalate privileges, access sensitive virtual machine configurations, or manipulate shared resources in ways that compromise the entire virtualized infrastructure. The vulnerability particularly affects organizations that heavily rely on shared folder functionality for collaboration, development, or testing environments where multiple users access the same virtual machines.
Mitigation strategies should focus on immediate patching of Oracle VM VirtualBox to version 4.1.18 or later, which contains the necessary security fixes for this vulnerability. Organizations should also implement network segmentation to limit local access to virtual machines and establish strict access controls for shared folder configurations. The implementation of principle of least privilege should be enforced, ensuring that only authorized users have access to shared folders and that appropriate audit logging is enabled to detect suspicious activities. Additionally, regular security assessments of virtualization environments should be conducted to identify similar weaknesses that could potentially be exploited through related attack vectors. This vulnerability aligns with CWE-284, which addresses inadequate access control, and could be mapped to ATT&CK technique T1059 for privilege escalation and T1070 for file and directory permissions manipulation.