CVE-2018-10072 in DriverWizard WinDriver
Summary
by MITRE
windrvr1260.sys in Jungo DriverWizard WinDriver 12.6.0 allows attackers to cause a denial of service (BSOD) via a 0x953827bf DeviceIoControl call.
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Analysis
by VulDB Data Team • 01/24/2020
The vulnerability identified as CVE-2018-10072 resides within the windrvr1260.sys kernel driver component of Jungo DriverWizard WinDriver version 12.6.0. This driver serves as a foundational element for hardware communication and device control within Windows operating systems, making it a critical component in the system's kernel space. The flaw manifests through improper validation of DeviceIoControl parameters, specifically when processing a control code value of 0x953827bf. This particular device control code represents a malformed or improperly handled input that triggers an uncontrolled kernel execution path leading to system instability.
The technical exploitation of this vulnerability occurs when an unprivileged attacker or malicious process issues a DeviceIoControl call to the vulnerable driver with the specific control code 0x953827bf. The driver fails to properly validate input parameters, leading to a buffer overflow condition or invalid memory access within kernel space. This improper handling results in a kernel-mode exception that ultimately causes a Blue Screen of Death (BSOD) with the system becoming unresponsive. The vulnerability operates at the kernel level, bypassing normal user-mode security boundaries and presenting a significant risk to system availability and stability.
The operational impact of CVE-2018-10072 extends beyond simple denial of service, as it represents a critical weakness in system integrity and security posture. Attackers can leverage this vulnerability to perform persistent system disruption attacks, potentially causing service outages that affect business operations. The vulnerability is particularly concerning because it requires no elevated privileges to exploit, making it accessible to any local user or process that can interact with the driver interface. This characteristic aligns with CWE-121, which addresses stack-based buffer overflow conditions in kernel-mode drivers, and demonstrates how improper input validation can lead to privilege escalation scenarios.
System administrators and security professionals should prioritize immediate mitigation of this vulnerability through the installation of updated driver packages from Jungo or Microsoft. The recommended remediation strategy involves updating to a patched version of WinDriver that properly validates DeviceIoControl parameters and implements robust input sanitization techniques. Additionally, implementing kernel-mode exploit protection measures such as Driver Signature Enforcement and Control Flow Guard can provide additional defense-in-depth layers. Organizations should also consider monitoring for suspicious DeviceIoControl activity patterns and implementing process monitoring to detect potential exploitation attempts. This vulnerability exemplifies the importance of proper kernel driver security practices and aligns with ATT&CK technique T1068 which covers local privilege escalation through kernel exploits. The presence of such vulnerabilities in widely used driver software demonstrates the critical need for comprehensive security testing and validation of kernel components within enterprise environments.