CVE-2012-3288 in Workstation
Summary
by MITRE
VMware Workstation 7.x before 7.1.6 and 8.x before 8.0.4, VMware Player 3.x before 3.1.6 and 4.x before 4.0.4, VMware Fusion 4.x before 4.1.3, VMware ESXi 3.5 through 5.0, and VMware ESX 3.5 through 4.1 allow user-assisted remote attackers to execute arbitrary code on the host OS or cause a denial of service (memory corruption) on the host OS via a crafted Checkpoint file.
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Analysis
by VulDB Data Team • 03/25/2021
The vulnerability identified as CVE-2012-3288 represents a critical memory corruption flaw affecting multiple VMware virtualization products including Workstation, Player, Fusion, ESXi, and ESX platforms. This vulnerability stems from insufficient input validation within the checkpoint file processing mechanism, which allows malicious actors to craft specially formatted checkpoint files that can trigger memory corruption conditions when processed by the affected virtualization software. The flaw exists at the core of VMware's virtual machine state management system where checkpoint files are used to save and restore virtual machine configurations during operation.
The technical exploitation of this vulnerability occurs through user-assisted remote attack vectors where an attacker must first convince a victim to open or process a maliciously crafted checkpoint file. When the vulnerable VMware product attempts to parse this malformed checkpoint file, the memory corruption can lead to arbitrary code execution with the privileges of the host operating system or cause a denial of service condition that crashes the virtualization host. This type of vulnerability falls under CWE-121, which describes heap-based buffer overflow conditions, and represents a classic example of improper input validation leading to memory corruption. The attack surface is particularly concerning given that checkpoint files are commonly used in virtual machine operations and can be easily distributed through various attack vectors.
The operational impact of CVE-2012-3288 extends beyond simple privilege escalation as it fundamentally compromises the security isolation that virtualization platforms are designed to provide. When successful, attackers can execute arbitrary code on the host system with elevated privileges, potentially allowing them to access sensitive data, establish persistent backdoors, or escalate their compromise to the entire host infrastructure. The vulnerability affects multiple versions across different VMware products, creating widespread exposure across enterprise environments that rely on virtualization for their computing infrastructure. This vulnerability directly relates to ATT&CK technique T1059 which involves executing malicious code through compromised system processes, and T1068 which describes privilege escalation through exploitation of system vulnerabilities.
Organizations affected by this vulnerability should immediately apply the vendor patches released for each affected product line, with particular attention to the specific version numbers mentioned in the CVE description. The recommended mitigations include not only patching the vulnerable software but also implementing strict file validation policies for checkpoint files, restricting user access to virtual machine configuration files, and monitoring for suspicious virtual machine state changes. Security teams should also consider implementing network segmentation to limit the potential impact of successful exploitation and establish robust monitoring for abnormal system behavior that might indicate memory corruption or privilege escalation attempts. Regular vulnerability assessments and penetration testing should be conducted to identify similar issues within the virtualization infrastructure that may not yet be publicly disclosed.