CVE-2024-38184 in Windows
Summary
by MITRE • 08/13/2024
Windows Kernel-Mode Driver Elevation of Privilege Vulnerability
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Analysis
by VulDB Data Team • 08/14/2024
This vulnerability represents a critical elevation of privilege flaw within the windows kernel-mode driver subsystem that allows attackers to escalate their privileges from standard user level to system level execution. The vulnerability stems from improper validation of input parameters within kernel-mode components that handle device driver operations, creating a path for malicious code to execute with elevated privileges typically restricted to kernel-level processes. Such flaws are particularly dangerous because they operate at the core of operating system security boundaries where user-space applications normally cannot directly access or manipulate system resources without proper authorization.
The technical implementation of this vulnerability involves memory corruption issues that occur when kernel-mode drivers process malformed input data from user-space applications. Attackers can exploit these weaknesses through carefully crafted driver IOCTL (Input/Output Control) calls or direct memory manipulation techniques that cause the kernel to execute arbitrary code with system-level privileges. This type of vulnerability typically manifests as heap-based buffer overflows, use-after-free conditions, or integer overflow scenarios within driver code that fails to properly validate parameter boundaries before processing data. The flaw exists in the kernel-mode driver framework where privilege checks are either missing or insufficiently enforced during critical operations involving device access and system resource management.
From an operational perspective, successful exploitation of this vulnerability enables attackers to bypass standard operating system security controls including user access control mechanisms, process isolation boundaries, and privilege separation models that are fundamental to windows security architecture. The impact extends beyond simple privilege escalation as attackers can then manipulate system files, install rootkits, modify registry settings, and gain persistent access to target systems without detection by standard security monitoring tools. This vulnerability aligns with CWE-122 (Heap-based Buffer Overflow) and CWE-125 (Out-of-bounds Read) classifications from the common weakness enumeration catalog, representing a classic example of how kernel-mode flaws can completely undermine system integrity and confidentiality controls.
The exploitation of this vulnerability follows established attack patterns documented in the MITRE ATT&CK framework under techniques such as privilege escalation through kernel exploits and persistence mechanisms. Attackers typically leverage these vulnerabilities to establish footholds within target environments before deploying additional malware or conducting more sophisticated attacks against network infrastructure. Organizations running affected windows versions face significant risk exposure since kernel-mode exploits are particularly difficult to detect and prevent through traditional endpoint protection solutions, requiring specialized kernel-mode monitoring and patch management strategies.
Mitigation strategies for this vulnerability include immediate deployment of microsoft security updates that address the specific kernel-mode driver flaws, implementation of enhanced driver signature enforcement policies, and configuration of system protection mechanisms such as control flow integrity checks and exploit prevention technologies. System administrators should also implement network segmentation controls to limit lateral movement capabilities once an attacker has achieved initial access, while maintaining comprehensive monitoring of system call patterns and kernel activity for potential exploitation indicators. Additionally organizations should conduct regular vulnerability assessments focusing on kernel-mode components and ensure proper patch management processes are in place to minimize exposure windows for such critical security flaws.