CVE-2013-3898 in Windows
Summary
by MITRE
Microsoft Windows 8 and Windows Server 2012, when Hyper-V is used, does not ensure memory-address validity, which allows guest OS users to execute arbitrary code in all guest OS instances, and allows guest OS users to cause a denial of service (host OS crash), via a guest-to-host hypercall with a crafted function parameter, aka "Address Corruption Vulnerability."
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Analysis
by VulDB Data Team • 12/25/2024
The vulnerability identified as CVE-2013-3898 represents a critical security flaw in Microsoft Windows 8 and Windows Server 2012 systems that utilize Hyper-V virtualization technology. This issue stems from insufficient validation of memory addresses within the hypervisor's hypercall mechanism, creating a fundamental weakness that can be exploited by malicious actors operating within guest operating systems. The vulnerability specifically affects systems where Hyper-V is enabled and actively used for virtualization purposes, making it particularly concerning for enterprise environments that rely heavily on virtualized infrastructure.
The technical flaw manifests in the improper validation of function parameters during guest-to-host hypercalls, which are the communication mechanisms between virtual machine instances and the underlying hypervisor. When a guest operating system user submits a hypercall with a crafted function parameter, the hypervisor fails to properly validate the memory addresses associated with that parameter. This address corruption vulnerability allows malicious code to manipulate memory locations within the host operating system, potentially executing arbitrary code with elevated privileges. The flaw exists at the hypervisor level, meaning that successful exploitation can affect all guest operating systems running on the same host, creating a cascading security risk.
The operational impact of this vulnerability extends beyond simple code execution, as it can also lead to complete system compromise through denial of service attacks that crash the host operating system. Attackers can leverage this vulnerability to gain unauthorized access to sensitive host resources, potentially escalating privileges to system level access. The implications are particularly severe in virtualized environments where multiple guest operating systems share the same physical hardware, as a successful attack on one guest can compromise the entire host system and all other virtual machines running on that host. This vulnerability effectively undermines the security isolation that virtualization technology is designed to provide.
Mitigation strategies for CVE-2013-3898 should prioritize immediate patch application from Microsoft, as the company released security updates specifically addressing this vulnerability. Organizations should also implement network segmentation and access controls to limit guest OS user privileges, reducing the attack surface available to potential exploiters. Additionally, monitoring for anomalous hypercall patterns and implementing intrusion detection systems can help identify potential exploitation attempts. From a compliance perspective, this vulnerability aligns with CWE-122 (Heap Overflow) and CWE-125 (Out-of-Bounds Read) categories, and it maps to ATT&CK technique T1059.001 (Command and Scripting Interpreter: PowerShell) and T1068 (Exploitation for Privilege Escalation) in threat modeling contexts. Organizations should conduct thorough vulnerability assessments to identify all systems running affected versions of Windows with Hyper-V enabled, and implement proper security controls to protect against this and similar hypervisor-based vulnerabilities.