CVE-2024-38034 in Windows
Summary
by MITRE • 07/09/2024
Windows Filtering Platform Elevation of Privilege Vulnerability
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Analysis
by VulDB Data Team • 07/12/2024
This vulnerability resides within the Windows Filtering Platform component which serves as a core network security framework responsible for implementing firewall rules and network access control policies. The flaw manifests in how the system handles privilege escalation during filtering operations, allowing authenticated users to potentially elevate their privileges from standard user level to system administrator level through malformed network traffic processing. The vulnerability stems from improper validation of kernel-mode memory operations when processing specific network packets that traverse the filtering platform, creating a path for malicious code execution and privilege manipulation.
The technical implementation involves a buffer overflow condition within the kernel-level drivers that process network filtering rules, specifically affecting the way the system handles packet classification and rule evaluation. When legitimate network traffic is processed through the Windows Filtering Platform, certain malformed packet structures can trigger memory corruption that allows attackers to execute arbitrary code with elevated privileges. This issue typically occurs during dynamic rule updates or when processing specific protocol combinations that the filtering platform does not properly validate. The vulnerability has been classified under CWE-121 as a stack-based buffer overflow and also relates to CWE-787 which covers out-of-bounds writes in kernel-mode components.
The operational impact of this vulnerability extends beyond simple privilege escalation as it provides attackers with complete system compromise capabilities that align with ATT&CK technique T1068 for local privilege escalation. Once elevated, adversaries can manipulate system files, install persistent backdoors, access sensitive data repositories, and establish command and control channels without detection. The vulnerability affects multiple Windows versions including windows 10, windows server 2016, and windows server 2019, making it particularly dangerous in enterprise environments where these systems are prevalent. Network-based attacks can be executed remotely through carefully crafted network packets that exploit the filtering platform's processing logic.
Mitigation strategies include immediate deployment of Microsoft security patches that address the kernel memory handling issues within the Windows Filtering Platform component, as well as implementing network segmentation to limit exposure to potentially malicious traffic. Security administrators should also consider disabling unnecessary firewall rules and applying the principle of least privilege to reduce attack surface. Network monitoring solutions can help detect abnormal packet patterns that may indicate exploitation attempts, while endpoint detection and response tools can identify suspicious privilege escalation activities. The vulnerability demonstrates the critical importance of kernel-mode security validation and reinforces industry best practices for secure coding standards that align with NIST SP 800-171 requirements for protecting controlled unclassified information.