CVE-2013-4679 in Workspace Virtualization
Summary
by MITRE
Symantec Workspace Virtualization before 6.x before 6.4.1953.0, when a virtual application layer is configured, allows local users to gain privileges via an application that performs crafted interaction with the operating system.
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Analysis
by VulDB Data Team • 06/09/2025
Symantec Workspace Virtualization represents a comprehensive application virtualization solution designed to isolate applications from the underlying operating system and other applications. This technology creates virtual layers that contain application dependencies and prevent conflicts between different software packages. The vulnerability in question affects versions prior to 6.4.1953.0, specifically when virtual application layers are configured, creating a critical security gap that could be exploited by local attackers. The flaw stems from inadequate privilege handling during application interactions with the operating system, particularly when virtualized applications attempt to perform operations that require elevated permissions. This vulnerability operates at the intersection of application virtualization and privilege escalation, where the virtualization layer fails to properly enforce security boundaries.
The technical flaw manifests when a local user crafts specific interactions with the operating system that exploit the insufficient privilege checking mechanisms within the virtualization layer. The vulnerability occurs because the system does not adequately validate or restrict the operations that virtualized applications can perform when interacting with system resources. This allows malicious or crafted applications to bypass normal security controls and escalate their privileges to higher levels. The exploitation typically involves leveraging the virtualization layer's trust model, where legitimate virtualized applications are granted certain permissions that can be manipulated by an attacker to gain unauthorized access. This issue is categorized under the Common Weakness Enumeration as a privilege escalation vulnerability, specifically related to improper privilege management within application virtualization environments. The flaw operates as a form of local privilege escalation that leverages the virtualization technology itself as an attack vector.
The operational impact of this vulnerability is significant for organizations using Symantec Workspace Virtualization in their environments. Local attackers who can execute code on a system with virtualized applications could potentially elevate their privileges to system level access, enabling them to bypass traditional security controls and gain access to sensitive data or system resources. This represents a serious threat to the integrity of virtualized application environments, where the security isolation that virtualization is designed to provide becomes compromised. The vulnerability undermines the fundamental security model of application virtualization, where applications should be isolated from each other and from the host system. Organizations that rely on virtualized applications for business-critical processes face potential exposure to data breaches, system compromise, and unauthorized access to corporate resources. The attack surface expands significantly when considering that virtualized applications often have elevated privileges to perform system operations necessary for their function.
Mitigation strategies should focus on immediate patch deployment to upgrade to Symantec Workspace Virtualization version 6.4.1953.0 or later, which contains the necessary fixes for this privilege escalation vulnerability. Organizations should also implement additional security controls such as least privilege access for virtualized applications, regular security assessments of virtualization environments, and monitoring for suspicious privilege escalation activities. System administrators should review and tighten the security policies governing virtual application layers, ensuring that only necessary permissions are granted to virtualized applications. The implementation of the principle of least privilege aligns with security best practices and helps reduce the potential impact of such vulnerabilities. Additionally, organizations should consider network segmentation and access controls to limit the potential damage from any successful exploitation attempts. This vulnerability demonstrates the importance of maintaining up-to-date security patches and the critical nature of proper privilege management in virtualized environments, where the security boundaries between applications and the host system must remain intact. The ATT&CK framework categorizes this as a privilege escalation technique, specifically leveraging application virtualization as an attack vector to bypass security controls.