CVE-2015-0427 in VM VirtualBox
Summary
by MITRE
Unspecified vulnerability in the Oracle VM VirtualBox component in Oracle Virtualization VirtualBox prior to 4.3.20 allows local users to affect integrity and availability via vectors related to VMSVGA virtual graphics device, a different vulnerability than CVE-2014-6588, CVE-2014-6589, CVE-2014-6590, and CVE-2014-6595.
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Analysis
by VulDB Data Team • 03/05/2022
The vulnerability identified as CVE-2015-0427 represents a critical security flaw within Oracle VM VirtualBox's VMSVGA virtual graphics device implementation. This issue affects versions prior to 4.3.20 and demonstrates how virtualization platforms can harbor serious integrity and availability risks through their graphics subsystems. The vulnerability specifically targets the virtual graphics device that emulates VGA functionality for virtual machines, making it a significant concern for organizations relying on virtualized environments for their computing infrastructure.
The technical nature of this vulnerability lies within the VMSVGA device's handling of graphics operations and memory management within the virtualized environment. Attackers with local access to a vulnerable VirtualBox instance can exploit this weakness to compromise the integrity of the virtual machine's graphics state and potentially disrupt system availability. The vulnerability's classification as unspecified suggests that the exact technical mechanism remains undisclosed, but it likely involves improper input validation or memory corruption within the graphics device driver code. This type of vulnerability falls under the category of privilege escalation and resource manipulation attacks that can lead to complete system compromise.
From an operational perspective, this vulnerability presents a substantial risk to enterprise environments where VirtualBox is used for development, testing, or production workloads. Local attackers who gain access to a virtual machine can potentially manipulate graphics resources to cause denial of service conditions or corrupt system integrity. The impact extends beyond individual virtual machines as compromised graphics devices could affect the host system's stability and performance. Organizations using older VirtualBox versions face particular risk since the vulnerability allows for exploitation without requiring elevated privileges, making it accessible to any local user with access to the virtualized environment.
The vulnerability's relationship to other CVEs in the same timeframe indicates a pattern of graphics-related issues within VirtualBox's virtualization stack, suggesting that the VMSVGA implementation required comprehensive security review. This issue aligns with common attack patterns found in virtualization environments where graphics drivers and device emulators are frequently targeted due to their complex memory management requirements and direct hardware interaction. Security professionals should note that vulnerabilities in virtualization platforms often provide attack vectors that can be leveraged to escalate privileges or bypass security controls. The presence of multiple related vulnerabilities in the same timeframe suggests that Oracle's VirtualBox graphics subsystem required significant security hardening to address these fundamental implementation flaws.
Organizations should immediately upgrade to VirtualBox version 4.3.20 or later to remediate this vulnerability, as no effective workarounds exist for this class of graphics device exploitation. Security teams should implement monitoring for suspicious graphics device activity and ensure that all virtualization environments are kept current with security patches. The vulnerability's potential for integrity compromise makes it particularly concerning for environments handling sensitive data, where even local privilege escalation could lead to significant security breaches. Regular vulnerability assessments of virtualization platforms should include comprehensive testing of graphics device implementations to identify similar weaknesses in other virtualization products.